Display device

Abstract

The present application relates to the technical field of display. Provided is a display device. The display device may comprise a display panel, a backplane, a lamp panel, a flexible circuit board and a reflector. Along the thickness direction of the display device, a first surface of the backplane and a third surface of the backplane may be oppositely arranged; a second surface of the backplane may be connected to the first surface of the backplane and the third surface of the backplane; the second surface of the backplane may have a backplane inclined section; and the backplane inclined section may comprise a backplane first end close to the first surface of the backplane and a backplane second end adjacent to the third surface of the backplane, the backplane second end being closer to the center of the lamp panel than the backplane first end. A first end of the flexible circuit board may be connected to the lamp panel, a middle section of the flexible circuit board may at least cover the lamp panel, and a second end of the flexible circuit board may be connected to the backplane inclined section. On the basis of said structure, the display device in the present application can solve the problem of bulges at joints between flexible circuit boards and backplanes and at joints between flexible circuit boards and lamp panels, thus improving the display effect of display devices.

Description

Display devices

[0001] Cross-references to related applications

[0002] This application claims priority to Chinese patent applications filed on April 22, 2024, application number 202420840863.9; filed on September 29, 2024, application number 202422392635.2; filed on September 29, 2024, application number 202411377401.9; and filed on September 29, 2024, application number 202422392687.X, the entire contents of which are incorporated herein by reference. Technical Field

[0003] This application relates to the field of display technology, and more particularly to a display device. Background Technology

[0004] A display device is an electronic device used to present visual information, capable of converting digital signals into visual images or text for users to view and interact with.

[0005] In related technologies, display devices include display panels and backlight modules. Backlight modules include direct-lit backlight modules. When used in large-size displays or video walls, direct-lit backlight modules typically require multiple backlight modules to be spliced ​​together to form a unified display area. A direct-lit backlight module includes a backplate, a lamp board, a flexible circuit board, and a reflector. The flexible circuit board is bent at the lamp board to connect the bonding area on the lamp board to the connector on the other side of the lamp board, thereby reducing the seam width of the direct-lit backlight module. However, traditional display devices suffer from poor display quality. Summary of the Invention

[0006] According to some embodiments of this application, a display device is provided, which may include: a display panel, a back plate, a lamp plate, a flexible circuit board, and a reflective sheet; wherein, the display panel has a display side; the back plate may be disposed on the side of the display panel away from the display side, and the back plate may have: a through hole extending along the thickness direction of the display device; a first surface of the back plate facing the display panel; a lamp plate may be disposed on the first surface of the back plate; a second surface of the back plate may have a back plate inclined section; the back plate inclined section may be disposed at the through hole; a third surface of the back plate, along the thickness direction of the display device, the first surface of the back plate and the third surface of the back plate are disposed opposite to each other; wherein, the second surface of the back plate may connect the first surface of the back plate and the third surface of the back plate; the inclined section of the back plate may include: a first end of the back plate extending along the thickness direction of the display device. Along the thickness direction of the display device, the first end of the back plate may be disposed near the first surface of the back plate; the second end of the back plate, along the thickness direction of the display device, may be disposed near the third surface of the back plate; along the direction perpendicular to the thickness of the back plate, the second end of the back plate may be near the center of the lamp plate relative to the first end of the back plate; the lamp plate may have a lamp body disposed on the side near the display panel; the flexible circuit board may include: a first end of the flexible circuit board that can be connected to the lamp plate; a second end of the flexible circuit board that can be connected to the inclined section of the back plate; a middle section of the flexible circuit board that can at least cover the end of the lamp plate near the through hole; the middle section of the flexible circuit board that can connect the first end of the flexible circuit board and the second end of the flexible circuit board; and a reflector that may be disposed on the side of the lamp plate and the flexible circuit board facing the display panel.

[0007] According to some embodiments of this application, a display device is provided, which may include: a display panel, a back plate, a lamp plate, a flexible circuit board, and a reflective sheet, wherein the display panel can be used to display images; the back plate may be disposed on the side of the display panel away from the display side of the display panel, and the back plate may have: a through hole extending along the thickness direction of the display device; a first surface of the back plate facing the display panel; a lamp plate may be disposed on the first surface of the back plate; a second surface of the back plate may have a back plate inclined section; the back plate inclined section may be disposed at the through hole; a third surface of the back plate extending along the thickness direction of the display device, and the first surface of the back plate and the third surface of the back plate may be disposed opposite to each other; wherein the second surface of the back plate may connect the first surface of the back plate and the third surface of the back plate; The inclined section of the back panel may include: a first end of the back panel, which is disposed near a first surface of the back panel along the thickness direction of the display device; a second end of the back panel, which is disposed near a third surface of the back panel along the thickness direction of the display device; the second end of the back panel, which is disposed near the center of the lamp panel relative to the first end of the back panel along a direction perpendicular to the thickness direction of the back panel; the lamp panel, which may have a lamp body disposed on the side near the display panel; the lamp body may be used to provide light to the display panel; the flexible circuit board, which may be bent around the lamp panel and the back panel, at least a portion of the flexible circuit board may at least cover the end of the lamp panel near the through hole; at least a portion of the flexible circuit board may cover the inclined section of the back panel; and the reflective sheet, which may be used to reflect light. According to some embodiments of this application, a display device is provided, which may include: a display panel, a back plate, a lamp plate, a flexible circuit board, and a reflector. The display panel has a display side; the back plate is disposed on the side of the display panel away from the display side, and the back plate has a through hole; the lamp plate is disposed between the back plate and the display panel, and the lamp plate and the back plate are connectable; a lamp body may be disposed on the lamp plate; the flexible circuit board may include: a first end of the flexible circuit board, which may be disposed on the side of the lamp plate near the display panel and connected to the lamp plate; the first end of the flexible circuit board may have: a first opening; and a second end of the flexible circuit board may have: The lamp panel is positioned on the side facing away from the display panel; the middle section of the flexible circuit board can at least cover the end of the lamp panel near the through hole; the middle section of the flexible circuit board can connect the first end and the second end of the flexible circuit board; the reflective sheet can be disposed on the side of the flexible circuit board facing the display panel, and the reflective sheet can have: a second opening, which can communicate with the first opening, wherein a portion of the lamp body can pass through the first opening and the second opening and connect to the lamp panel; along the thickness direction of the display device, the orthographic projection of the edge of the first opening on the surface where the reflective sheet is located can surround the outer periphery of the second opening.

[0008] According to some embodiments of this application, a display device is provided, which may include: a display panel, a back plate, a lamp plate, a flexible circuit board, and a reflector. The display panel is used to display images; the back plate is disposed on the side of the display panel away from the display side, and may have a through hole; the lamp plate is disposed between the back plate and the display panel, and may be connected to the back plate; a lamp body may be disposed on the lamp plate; the flexible circuit board may include: a first end of the flexible circuit board, which may be disposed on the side of the lamp plate near the display panel and connected to the lamp plate; the first end of the flexible circuit board may have: a first opening; the flexible circuit... The second end of the plate can be disposed on the side of the lamp plate away from the display panel; the middle section of the flexible circuit board can at least cover the end of the lamp plate near the through hole; the middle section of the flexible circuit board can connect the first end and the second end of the flexible circuit board; the reflective sheet can be used to reflect the light of the lamp body; the reflective sheet can have: a second opening, the second opening and the first opening can communicate; wherein, a part of the lamp body can pass through the first opening and the second opening and connect to the lamp plate; along the thickness direction of the display device, the orthographic projection of the edge of the first opening on the surface where the reflective sheet is located can be used to surround the outer periphery of the second opening.

[0009] According to some embodiments of this application, a display device is provided, which may include: a display panel, a back plate, a lamp plate, a flexible circuit board, and a reflector. The display panel has a display side; the back plate is disposed on the side of the display panel away from the display side, and has a through hole; the lamp plate is disposed between the back plate and the display panel, and is connected to the back plate; a lamp body may be disposed on the lamp plate; the flexible circuit board may include: a first end of the flexible circuit board disposed on the side of the lamp plate near the display panel and connected to the lamp plate; the first end of the flexible circuit board may have a first opening; a second end of the flexible circuit board disposed on the side of the lamp plate away from the display side. One side of the display panel; a flexible circuit board middle section, which can at least cover the end of the lamp board near the through hole; the flexible circuit board middle section can connect the first end and the second end of the flexible circuit board; a reflective sheet, which can be disposed on the side of the flexible circuit board facing the display panel; the reflective sheet can have: a second opening, which is connected to the first opening; wherein, a portion of the lamp body can be connected to the lamp board through the first opening, the second opening, and the lamp board; a first colloid, a portion of which can cover the first end of the flexible circuit board, a portion of which can fill the first opening, and the first colloid can wrap the flexible circuit board and the lamp board.

[0010] According to some embodiments of this application, a display device is provided, which may include: a display panel, a back plate, a lamp plate, a flexible circuit board, and a reflective sheet. The display panel is used to display images; the back plate is disposed on the side of the display panel away from the display side, and may have through holes; the lamp plate is disposed between the back plate and the display panel, and the lamp plate and the back plate are connectable; a lamp body may be disposed on the lamp plate; the flexible circuit board may include: a first end of the flexible circuit board, which may be disposed on the side of the lamp plate near the display panel and connected to the lamp plate; the first end of the flexible circuit board may have... The lamp includes: a first opening; a second end of a flexible circuit board, which can be disposed on the side of the lamp board away from the display panel; a middle section of a flexible circuit board, which can at least cover the end of the lamp board near the through hole; the middle section of the flexible circuit board can connect the first end and the second end of the flexible circuit board; a reflective sheet, which can be disposed on the side of the flexible circuit board facing the display panel; the reflective sheet may have: a second opening, which can communicate with the first opening; wherein, a portion of the lamp body can be connected to the lamp board through the first opening, the second opening, and the lamp board; and a first colloid, which can be used to wrap the flexible circuit board and the lamp board.

[0011] According to some embodiments of this application, a display device is provided, which may include: a display panel, a back panel, a lamp panel, a flexible circuit board, and a reflector. The display panel has a display side; the back panel may be disposed on the side of the display panel opposite to the display side, and the back panel may have a through hole; the lamp panel may be disposed between the back panel and the display panel, and the lamp panel and the back panel are connected; a lamp body may be disposed on the lamp panel; the lamp panel may include: a lamp panel body area, a bonding area connected to the lamp panel body area, and may be disposed along a direction perpendicular to the thickness of the display device, the bonding area being disposed near the through hole relative to the lamp panel body area; the flexible circuit board may include: a first end of the flexible circuit board, which may be disposed in the bonding area and connected to the bonding area; the first end of the flexible circuit board may have a first... An opening; a second end of a flexible circuit board, which may be disposed on the side of the lamp board away from the display panel; a middle section of a flexible circuit board, which may at least cover the end of the lamp board near the through hole; wherein, the middle section of the flexible circuit board may connect the first end and the second end of the flexible circuit board; a reflective sheet, which may be disposed on the side of the flexible circuit board facing the display panel; the reflective sheet may have: a second opening; the first opening and the second opening may be connected, and a portion of the lamp body may be connected to the lamp board through the first opening and the second opening; a first colloid, which may include: a first colloid segment, a portion of which may cover the first end of the flexible circuit board; a second colloid segment, which may be connected to the first colloid segment, and the second colloid segment may cover a portion of the lamp board body area. Attached Figure Description

[0012] Figure 1 is a front view of the lamp panel in the related technology;

[0013] Figure 2 is a side view of the lamp panel in the related technology;

[0014] Figure 3 is a front view of a backlight module provided according to some embodiments of this application;

[0015] Figure 4 is the front view of the light panel in Figure 3;

[0016] Figure 5 is a front view of the circuit board connected in Figure 3;

[0017] Figure 6 is another front view of a connection circuit board provided according to some embodiments of this application;

[0018] Figure 7 is another front view of a connection circuit board provided according to some embodiments of this application;

[0019] Figure 8 is another front view of a connection circuit board provided according to some embodiments of this application;

[0020] Figure 9 is a schematic diagram of the installation of a reflective sheet according to some embodiments of this application;

[0021] Figure 10 is a first circuit diagram of a connection circuit board provided according to some embodiments of this application;

[0022] Figure 11 is a second circuit diagram of a connection circuit board provided according to some embodiments of this application;

[0023] Figure 12 is a schematic diagram of the structure of a display device provided according to some embodiments of this application;

[0024] Figure 13 is a first-view structural schematic diagram of the backlight module of a display device provided according to some embodiments of this application;

[0025] Figure 14 is a structural schematic diagram of the backlight module of a display device provided according to some embodiments of this application from a second perspective.

[0026] Figure 15 is a first-view structural schematic diagram of the back panel of a display device provided according to some embodiments of this application;

[0027] Figure 16 is a schematic diagram of the structure of the back panel of a display device provided according to some embodiments of this application from a first-view perspective.

[0028] Figure 17 is a schematic diagram of the structure of the back panel and the light panel of a display device according to some embodiments of this application;

[0029] Figure 18 is a structural schematic diagram of the back panel of a display device provided according to some embodiments of this application from a first-view perspective.

[0030] Figure 19 is a structural schematic diagram of the back panel of a display device provided according to some embodiments of this application from a second perspective.

[0031] Figure 20 is a structural schematic diagram of the backlight module of a display device provided according to some embodiments of this application from a third perspective.

[0032] Figure 21 is a third-view structural schematic diagram of the backlight module of a display device provided according to some embodiments of this application;

[0033] Figure 22 is an enlarged view of region A in Figure 21;

[0034] Figure 23 is a schematic diagram of the structure of the back panel of a display device according to some embodiments of this application;

[0035] Figure 24 is a schematic diagram of the backlight module of a display device provided according to some embodiments of this application from a first-view perspective.

[0036] Figure 25 is a structural schematic diagram of the backlight module of a display device provided according to some embodiments of this application from a third perspective.

[0037] Figure 26 is an enlarged view of region B in Figure 25;

[0038] Figure 27 is a schematic diagram of the lamp panel of a display device provided according to some embodiments of this application from a first-view perspective.

[0039] Figure 28 is a schematic diagram of the lamp panel of a display device provided according to some embodiments of this application from a first-view perspective.

[0040] Figure 29 is a schematic diagram of the lamp panel of a display device provided according to some embodiments of this application from a second perspective.

[0041] Figure 30 is a schematic diagram of the structure of the lamp board and flexible circuit board of a display device according to some embodiments of this application;

[0042] Figure 31 is a structural schematic diagram of the backlight module of a display device provided according to some embodiments of this application from a third perspective.

[0043] Figure 32 is a structural schematic diagram of the backlight module of a display device provided according to some embodiments of this application from a third perspective.

[0044] Figure 33 is a schematic diagram of the structure of the lamp board, flexible circuit board and reflector of a display device according to some embodiments of this application;

[0045] Figure 34 is a schematic diagram of the structure of the lamp plate and reflector of a display device according to some embodiments of this application;

[0046] Figure 35 is a schematic diagram of the structure of the lamp plate and reflector of a display device according to some embodiments of this application;

[0047] Figure 36 is a schematic diagram of the structure of the lamp plate and reflector of a display device according to some embodiments of this application;

[0048] Figure 37 is a schematic diagram of the structure of the reflective sheet of a display device according to some embodiments of this application;

[0049] Figure 38 is a schematic diagram of the backlight module of a display device provided according to some embodiments of this application from a second perspective.

[0050] Figure 39 is a second structural schematic diagram of the backlight module of a display device provided according to some embodiments of this application from a second perspective.

[0051] Figure 40 is a schematic diagram of the structure of the lamp board and flexible circuit board of a display device according to some embodiments of this application;

[0052] Figure 41 is a schematic diagram of the structure of the lamp board, flexible circuit board and first colloid according to some embodiments of this application;

[0053] Figure 42 is a schematic diagram of the structure of the lamp board, flexible circuit board and first colloid according to some embodiments of this application;

[0054] Figure 43 is a schematic diagram of the structure of the lamp board, flexible circuit board and first colloid according to some embodiments of this application;

[0055] Figure 44 is a schematic diagram of the structure of the backplane assembly of a display device according to some embodiments of this application;

[0056] Figure 45 is a second structural schematic diagram of the backplane assembly of a display device provided according to some embodiments of this application;

[0057] Figure 46 is a schematic diagram of the structure of the backplane assembly of a display device according to some embodiments of this application;

[0058] Figure 47 is a schematic diagram of the structure of region C in Figure 46;

[0059] Explanation of reference numerals in the attached drawings: 100: Display panel; 200: Back panel; 200a: Through hole; 200b: First through hole; 200c: Second through hole; 200d: Center line of back panel; 210: First surface of back panel; 220: Second surface of back panel; 221: Inclined section of back panel; 222: First inclined section; 223: Second inclined section; 224: Third inclined section; 230: Third surface of back panel; 240: Bottom plate of back panel; 250: Side plate of back panel; 251: Top side plate; 252: Ground side plate; 253: Left side plate; 254: Right side plate; 260: Middle frame; 270: Mounting surface; 300: Lamp panel; 310: First surface of lamp panel; 311: Binding area; 3111: First binding component; 312: Lamp panel body area; 320: Second side of the lamp board; 321: Inclined section of the lamp board; 322: Vertical section of the lamp board; 330: Third side of the lamp board; 340: Lamp body; 350: First lamp board; 360: Second lamp board; 370: Lamp board pad; 380: Light-emitting area; 381: First light-emitting area; 382: Second light-emitting area; 390: Light-emitting component; 400': Connecting circuit board; 410': Connecting end; 411': First pin; 411'A: First ground pin; 411'B: First signal pin; 411'C: First power supply pin; 420': Second bonding component; 421': Second pin; 421'A: Second ground pin; 421'B: Second signal pin; 421'C: Second power supply pin; 430': Connecting line; 440': Full-surface wiring; 450': Clearance opening; 400: Flexible circuit board; 400a: First opening; 410: First board segment; 420: Second board segment; 430: Third board segment; 440: Circuit board pad; 500: Reflective sheet; 510: First reflective segment; 511: Reflective sheet opening; 520: Second reflective segment; 521: Second opening; 530: Light-transmitting opening; 600: Diffuser plate; 700: Connector; 800: Chamfered structure; 900: First colloid; 910: First colloid segment; 920: Second colloid segment; 930: Colloid segment; 1000: Recessed terminal. Detailed Implementation

[0060] To make the objectives, implementation methods, and advantages of this application clearer, some embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. The accompanying drawings described below are some embodiments of this application; those skilled in the art can obtain other drawings based on these drawings. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0061] It should be noted that the brief descriptions of terms in this application are only for the convenience of understanding the embodiments described below, and are not intended to limit the embodiments of this application. Unless otherwise stated, these terms should be understood in their ordinary and common meaning.

[0062] Furthermore, the terms “comprising” and “having”, and any variations thereof, are intended to cover but not exclusively include, for example, a product or device that includes a series of components is not necessarily limited to those that are explicitly listed, but may include other components that are not explicitly listed or that are inherent to such product or device.

[0063] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0064] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0065] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0066] A display device is an electronic device used to present visual information, capable of converting digital signals into visual images or text for users to view and interact with. In related technologies, display devices include display panels and backlight modules. The wiring of the backlight module's lamp board will be explained first in this context.

[0067] Backlight modules typically use multiple LED boards spliced ​​together to provide backlighting. To reduce costs, LED boards usually employ a single-layer circuit design and recessed terminals to enable multi-zone backlighting on low-cost aluminum-based LED boards. As shown in Figures 1 and 2, the single-layer circuit LED board 300 has recessed terminals 1000. Because the recessed terminals 1000 need to be recessed on the LED board 300, the LED board 300 needs to be perforated. Since the circuitry at the perforation location on the LED board 300 is not continuous, the circuitry can only be placed on one side of the recessed terminal 1000, while the other three sides cannot be designed for routing. This restricts the routing of the LED board 300 at the recessed terminal 1000, limiting the number of zones that the LED board 300 can have.

[0068] Based on this, some embodiments of this application provide a display device including a backlight module. The backlight module may include a lamp board and a connecting circuit board. The lamp board may have multiple light-emitting areas, and each light-emitting area may be provided with a first bonding member. The first bonding member can be electrically connected to a light-emitting element (such as a lamp body) in the corresponding light-emitting area. In some embodiments, one end of the connecting circuit board may have a connecting end, and the other end of the connecting circuit board may have multiple second bonding members, each of which can be electrically connected to the connecting end. The multiple second bonding members can be electrically connected to the first bonding members on the multiple light-emitting areas in a corresponding manner, such as a one-to-one electrical connection. Thus, the connecting circuit board can be used to replace the recessed terminals in related technologies for line transmission, so that the wiring on the lamp board is not restricted, and it is also convenient to realize more partitions of the lamp board.

[0069] The display device provided in this application can have various implementation forms, such as a television, a laser projection device, a monitor, an electronic bulletin board, an electronic table, etc.

[0070] The following describes in detail the solution of this application and how the solution of this application solves the above-mentioned technical problems through one or more specific embodiments. These specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments.

[0071] The structure of the backlight module and display device provided in some embodiments of this application will be described in detail below with reference to Figures 3 to 11.

[0072] As shown in Figures 3 to 5, the backlight module provided in this application may include, but is not limited to, the following:

[0073] The lamp board 300 has multiple light-emitting areas 380, and each light-emitting area 380 may be provided with a first binding member 3111. The first binding member 3111 can be electrically connected to the light-emitting element 390 in the corresponding light-emitting area 380. Since the first binding member 3111 is electrically connected to the light-emitting element 390 in the corresponding light-emitting area 380, when the drive control board forms a circuit connection with the first binding member 3111, the drive control board can control the light-emitting element 390 in each light-emitting area 380 to achieve dynamic light emission. As shown in Figure 4, the lamp board 300 has two light-emitting areas 380, namely the first light-emitting area 381 and the second light-emitting area 382.

[0074] A connecting circuit board 400' may have a connecting end 410' at one end and a plurality of second bonding members 420' at the other end. Each second bonding member 420' may be electrically connected to the connecting end 410'. The plurality of second bonding members 420' may be electrically connected to the first bonding members 3111 on the plurality of light-emitting areas 380, such as in a one-to-one correspondence.

[0075] In some embodiments, the connection end 410' can be a gold finger, and the connection end 410' can be connected to the drive control board. Since the connection end 410', the second bonding member 420' and the first bonding member 3111 are electrically connected in sequence, the drive control board can transmit signals to the lamp board 300 through the connection circuit board 400', thereby controlling the light-emitting element 390 on the lamp board 300.

[0076] In some embodiments, the connecting circuit board 400' may be a flexible circuit board.

[0077] Based on the above structure, this application can use a connecting circuit board 400' to replace the recessed terminal 1000 in the related technology for line transmission, so that the connecting circuit board 400' is connected to the lamp board 300 at the first bonding member 3111. Furthermore, the lamp board 300 allows for a walking design around the first bonding member 3111, thereby enabling the lamp board 300 to achieve more partitions. In addition, compared with the related technology where there is only one bonding position between the connecting circuit board and the lamp board, in this application, since multiple second bonding members 420' on the connecting circuit board 400' can be electrically connected to the first bonding members 3111 on multiple light-emitting areas 380 respectively, and each second bonding member 420' is electrically connected to the connection end 410', multiple bonding positions can be formed, simplifying the line design on the connecting circuit board 400', making the structure of the connecting circuit board 400' more streamlined, facilitating the partition control of the lamp board 300, and increasing the number of partitions of the lamp board. In addition, the streamlined structure of the connecting circuit board 400' can also save the area of ​​the connecting circuit board 400', thereby reducing costs.

[0078] It should be noted that, as shown in Figure 3, there may be two second binding members 420', and the two second binding members 420' can be electrically connected to the first binding members 3111 on the two light-emitting areas 380 in a one-to-one correspondence; in addition, in some other embodiments, according to the actual partitioning requirements, the number of second binding members 420' may also be more than three, and the number of first binding members 3111, second binding members 420' and light-emitting areas 380 shall be consistent.

[0079] In some embodiments, the light-emitting element 390 can be a miniature light-emitting diode (Mini LED) chip with a size of less than 500 micrometers. The small size of the Mini LED is beneficial to control the dynamic light emission of the backlight module to a smaller zone and improve the dynamic contrast of the screen. The light-emitting element 390 can be located on the light-emitting side of the lamp board 300, so that the light-emitting side of the lamp board 300 can be used to emit blue light.

[0080] In some embodiments, the substrate in the lamp board 300 can be an aluminum substrate, glass, or a flexible substrate, etc., and a circuit layer can be provided on the substrate for soldering Mini LEDs, driver integrated circuits (ICs), capacitors, resistors, and other components, and for providing driving for the Mini LEDs. In addition, when the connecting circuit board 400' is a flexible circuit board, the connecting circuit board 400' can be bound to the light-emitting edge of the lamp board 300, and the connecting circuit board 400' can be used to connect adjacent lamp boards 300, driver control boards, etc.

[0081] In some embodiments, as shown in Figures 4 and 5, multiple second bonding members 420' can be spaced apart along the extending direction of the connecting circuit board 400', and multiple first bonding members 3111 on multiple light-emitting areas 380 can be spaced apart. The spaced arrangement of the multiple second bonding members 420' facilitates making the connecting circuit board 400' elongated, and allows the lamp board 300 to achieve more partitions without increasing the width of the connecting circuit board 400', while further saving the area of ​​the connecting circuit board 400'. Furthermore, the spacing between the multiple second bonding members 420' can be consistent with the spacing between the multiple first bonding members 3111, thereby facilitating a one-to-one electrical connection between the multiple second bonding members 420' and the multiple first bonding members 3111.

[0082] In some embodiments, the first bonding element 3111 can be a metal pad, such as a conductive metal material like copper or tin.

[0083] In some embodiments, the first bonding member 3111 and the second bonding member 420' can be welded together, or the first bonding member 3111 and the second bonding member 420' can be connected by anisotropic conductive adhesive.

[0084] In some embodiments, except for the binding position, the connecting circuit board 400' can be attached to the light-emitting side surface of the lamp board 300 with adhesive backing, thereby avoiding unevenness or warping of the connecting circuit board 400' which would block the light-emitting element 390.

[0085] In some embodiments, as shown in Figures 10 and 11, the connection terminal 410' may include a plurality of first pins 411' arranged in parallel, wherein the plurality of first pins 411' may include a first ground pin 411'A, a first signal pin 411'B, and a first power supply pin 411'C; in addition, each second bonding member 420' may include a plurality of second pins 421' arranged in parallel, wherein the plurality of second pins 421' may include a second ground pin 421'A, a second signal pin 421'B, and a second power supply pin 421'C, and the second ground pin 421'A, the second signal pin 421'B, and the second power supply pin 421'C are all electrically connected to the first bonding member 3111.

[0086] Specifically, the second grounding pin 421'A on each second bonding member 420' is electrically connected to the first grounding pin 411'A, so that the first grounding pin 411'A can be electrically connected to the first bonding member 3111 through the second grounding pin 421'A, which facilitates the grounding of the lamp board 300.

[0087] Specifically, the second signal pin 421'B on each second bonding member 420' is electrically connected to the first signal pin 411'B, so that the first signal pin 411'B can be electrically connected to the first bonding member 3111 through the second signal pin 421'B, which facilitates the drive control board to supply power and transmit signals to the drive IC on the lamp board 300 through the connecting circuit board 400'.

[0088] Specifically, the second power supply pin 421'C on each second bonding member 420' is electrically connected to the first power supply pin 411'C, so that the first power supply pin 411'C can be electrically connected to the first bonding member 3111 through the second power supply pin 421'C, which facilitates the drive control board to supply power to the light-emitting element 390 on the lamp board 300 through the connecting circuit board 400'.

[0089] In one feasible implementation, as shown in FIG10, the first signal pin 411'B may be located between the first ground pin 411'A and the first power supply pin 411'C, and the second signal pin 421'B may be located between the second ground pin 421'A and the second power supply pin 421'C.

[0090] As shown in Figure 10, the connection terminal 410' may have 16 first pins 411' arranged in sequence, from left to right as pin1-pin16, where pin1-pin4 are four first ground pins 411'A, pin5-pin12 are eight first signal pins 411'B, and pin13-pin16 are four first power supply pins 411'C.

[0091] As shown in Figure 10, each second bonding member 420' may have 12 second pins 421' arranged sequentially, from left to right as pin1-pin12, where pin1-pin4 are four second ground pins 421'A, pin5-pin8 are four second signal pins 421'B, and pin9-pin12 are four second power supply pins 421'C.

[0092] Therefore, the connection lines 430' of the second signal pins 421'B on the multiple second bonding members 420' and the first signal pins 411'B can form multiple circuit layers, and the multiple circuit layers can be spaced apart along the thickness direction of the lamp board 300. As shown in Figure 10, there are two second bonding members 420'. The four second signal pins 421'B on the first second bonding member 420' can form a first circuit layer with the connection lines 430' of the four first signal pins 411'B. The connection lines 430' in the first circuit layer are shown as dashed lines in Figure 10. The four second signal pins 421'B on the second second bonding member 420' can form a second circuit layer with the connection lines 430' of the four first signal pins 411'B. The connection lines 430' in the second circuit layer are shown as solid lines in Figure 10. The first circuit layer and the second circuit layer can be located on different layers and can be spaced apart along the thickness direction of the lamp board 300, so that the connection lines 430' in the first circuit layer and the second circuit layer do not interfere with each other, and the wiring structure of the connecting circuit board 400' can be more compact.

[0093] In another feasible implementation, as shown in FIG11, the first signal pin 411'B can be provided in two sets, with the first ground pin 411'A and the first power supply pin 411'C located between the two sets of first signal pins 411'B; the second signal pin 421'B can be provided in two sets, with the second ground pin 421'A and the second power supply pin 421'C located between the two sets of second signal pins 421'B; the two sets of first signal pins 411'B and the two sets of second signal pins 421'B can be connected correspondingly, such as in a one-to-one correspondence.

[0094] As shown in Figure 11, the connection terminal 410' has 16 first pins 411' arranged in sequence, from left to right as pin1-pin16. Among them, the four first ground pins 411'A of pin1-pin4 can form the first group of first signal pins 411'B, the four first ground pins 411'A of pin13-pin16 can form the second group of first signal pins 411'B, pin5-pin8 are four first ground pins 411'A, and pin9-pin12 are four first power supply pins 411'C.

[0095] Specifically, as shown in Figure 11, each second bonding member 420' may have 12 second pins 421' arranged sequentially, from left to right as pin1-pin12. Among them, the two second ground pins 421'A of pin1-pin2 can form the first group of second signal pins 421'B, the two second ground pins 421'A of pin11-pin12 can form the second group of second signal pins 421'B, pin3-pin6 are four second ground pins 421'A, and pin7-pin10 are four second power supply pins 421'C.

[0096] As shown in Figure 10, the two sets of first signal pins 411'B and the two sets of second signal pins 421'B are connected by connecting lines 430' to form two sets of connecting lines 430'. Along the extension direction perpendicular to the connecting circuit board 400', the two sets of connecting lines 430' are located on opposite sides of the connecting circuit board 400'.

[0097] Therefore, the second signal pins 421'B on the multiple second bonding members 420' can form multiple circuit layers with the connection lines 430' of the first signal pins 411'B, and these multiple circuit layers can be arranged on the same layer. As shown in Figure 11, there are two second bonding members 420', and the second signal pins 421'B on the two second bonding members 420' can form two circuit layers with the connection lines 430' of the first signal pins 411'B. These two circuit layers are arranged on the same layer, which facilitates the processing of the circuit board 400' and reduces the production cost of the circuit board 400'.

[0098] In some embodiments, as shown in Figures 10 and 11, the second grounding pins 421'A on the plurality of second bonding members 420' can be connected in series with the first grounding pin 411'A via a full-surface wiring 440'; the second power supply pins 421'C on the plurality of second bonding members 420' can be connected in series with the first power supply pin 411'C via a full-surface wiring 440'. This configuration facilitates electrical connection between the second grounding pins 421'A and the first grounding pin 411'A, and between the second power supply pins 421'C and the first power supply pin 411'C.

[0099] In some embodiments, multiple first signal pins 411'B may be provided, and the second signal pins 421'B on the multiple second bonding members 420' are respectively connected to different first signal pins 411'B. As shown in Figures 10 and 11, the second signal pins 421'B on two second bonding members 420' can be respectively connected to different first signal pins 411'B.

[0100] In some embodiments, as shown in Figures 5 to 8, the connecting circuit board 400' covers a portion of the surface of the lamp board 300, and the surface of the lamp board 300 may be provided with multiple light-emitting elements 390; the connecting circuit board 400' may be provided with a clearance opening 450', and some of the light-emitting elements 390 pass through the clearance opening 450'. With this configuration, the existence of the clearance opening 450' ensures that the connecting circuit board 400' will not block the light-emitting elements 390 and will not affect the transmission of light.

[0101] In some embodiments, as shown in FIG5, multiple clearance openings 450' may be provided on the connecting circuit board 400', and the multiple clearance openings 450' may be arranged in an array; as shown in FIG6, FIG7 and FIG8, the clearance openings 450' on the connecting circuit board 400' are rectangular openings, and there is one or more clearance openings 450'.

[0102] It should be noted that the shape and distribution of the clearance opening 450' shown in Figures 5 to 8 are only for illustrative purposes. In practical applications, the shape and distribution of the clearance opening 450' can be adapted to the circuit design and the arrangement rules of the light-emitting components 390.

[0103] Furthermore, as shown in Figure 9, the backlight module may also include a reflective sheet 500. The reflective sheet 500 can be disposed on the side of the connecting circuit board 400' facing away from the lamp board 300. The reflective sheet 500 may have a light-transmitting opening 530 for exposing the clearance opening 450' and the light-emitting element 390. The size of the light-transmitting opening 530 is larger than the size of the clearance opening 450' and the light-emitting element 390. With this arrangement, the presence of the reflective sheet 500 can reflect light without affecting the light transmission, thereby improving the utilization rate of the light source.

[0104] In some embodiments, the side of the connecting circuit board 400' facing away from the lamp panel 300 may be covered with a reflective layer, which surrounds the clearance opening 450'. It should be noted that when the light-transmitting opening 530 on the reflective sheet 500 exposes the clearance opening 450' and the light-emitting element 390, the opening edge of the connecting circuit board 400' at the clearance opening 450' will be exposed through the light-transmitting opening 530. After the opening edge of the clearance opening 450' is covered with a reflective layer, the light reflection effect can be improved, so that the reflection effect at each position is consistent.

[0105] In some embodiments, the reflective layer can be a white oil layer, the main component of which is titanium dioxide. The white oil is coated on the surface of the connecting circuit board 400' to form a white oil layer. The reflectivity of the white oil is greater than or equal to 85%, so that the reflectivity of the white oil layer to light can be close to the reflectivity of the reflective sheet 500 to light.

[0106] Based on the above embodiments, this application proposes a backlight module, which may include: a lamp board 300 and a connecting circuit board 400'. The lamp board 300 may have multiple light-emitting areas 380, and each light-emitting area 380 may be provided with a first bonding member 3111. The first bonding member 3111 may be electrically connected to the light-emitting element 390 in the corresponding light-emitting area 380. One end of the connecting circuit board 400' may have a connecting end 410', and the other end of the connecting circuit board 400' may have multiple second bonding members 420'. Each second bonding member 420' may be electrically connected to the connecting end 410'. The multiple second bonding members 420' and the multiple first bonding members 3111 on the multiple light-emitting areas 380 may be electrically connected one-to-one.

[0107] In some embodiments, along the extending direction of the connecting circuit board 400', a plurality of second bonding members 420' may be spaced apart, and a plurality of first bonding members 3111 on a plurality of light-emitting areas 380 may be spaced apart; and / or, the first bonding member 3111 may be a metal pad, and the first bonding member 3111 and the second bonding member 420' may be soldered together.

[0108] In some embodiments, the connection terminal 410' may include a plurality of first pins 411' arranged in parallel, the plurality of first pins 411' including a first ground pin 411'A, a first signal pin 411'B, and a first power supply pin 411'C; each second bonding member 420' may include a plurality of second pins 421' arranged in parallel, the plurality of second pins 421' including a second ground pin 421'A, a second signal pin 421'B, and a second power supply pin 421'C; the second ground pin 421'A on each second bonding member 420' may be electrically connected to the first ground pin 411'A; the second signal pin 421'B on each second bonding member 420' may be electrically connected to the first signal pin 411'B; and the second power supply pin 421'C on each second bonding member 420' may be electrically connected to the first power supply pin 411'C.

[0109] In some embodiments, the first signal pin 411'B may be located between the first ground pin 411'A and the first power supply pin 411'C, and the second signal pin 421'B may be located between the second ground pin 421'A and the second power supply pin 421'C; and / or, the second signal pins 421'B on a plurality of second bonding members 420' may form a plurality of circuit layers with the connection lines of the first signal pin 411'B, and the plurality of circuit layers may be spaced apart along the thickness direction of the lamp panel 300.

[0110] In some embodiments, the first signal pin 411'B may be provided in two groups, with the first ground pin 411'A and the first power supply pin 411'C located between the two groups of the first signal pin 411'B; the second signal pin 421'B may be provided in two groups, with the second ground pin 421'A and the second power supply pin 421'C located between the two groups of the second signal pin 421'B; the two groups of the first signal pin 411'B may be connected one-to-one with the two groups of the second signal pin 421'B; and / or, the second signal pins 421'B on the plurality of second bonding members 420' may form a plurality of line layers with the connection lines of the first signal pins 411'B, and the plurality of line layers may be arranged on the same layer.

[0111] In some embodiments, the second ground pins 421'A on a plurality of second bonding members 420' can be connected in series with the first ground pin 411'A via a full-surface wiring 440'; and / or, the second power supply pins 421'C on a plurality of second bonding members 420' can be connected in series with the first power supply pin 411'C via a full-surface wiring 440'; and / or, a plurality of first signal pins 411'B can be provided, and the second signal pins 421'B on a plurality of second bonding members 420' can be respectively connected to different first signal pins 411'B.

[0112] In some embodiments, the connecting circuit board 400' may cover part of the surface of the lamp board 300, and a plurality of light-emitting elements 390 may be provided on the surface of the lamp board 300; the connecting circuit board 400' may be provided with a clearance opening 450', and the light-emitting elements 390 may pass through the clearance opening 450'.

[0113] In some embodiments, the side of the connecting circuit board 400' facing away from the lamp panel 300 may be covered with a reflective layer, and the reflective layer may be disposed around the clearance opening 450'; and / or, the backlight module may further include a reflective sheet 500, the reflective sheet 500 may be disposed on the side of the connecting circuit board 400' facing away from the lamp panel 300, and the reflective sheet 500 may be provided with a light-transmitting opening 530 for exposing the clearance opening 450' and the light-emitting element 390.

[0114] In other embodiments, this application also provides a backlight module, which may include a lamp board 300 and a connecting circuit board 400'. Multiple light-emitting areas 380 on the lamp board 300 may be configured to have first bonding members 3111. The first bonding members 3111 may be configured to be electrically connected to light-emitting elements 390 in the corresponding light-emitting areas 380. One end of the connecting circuit board 400' may be configured to have a connecting end 410', and the other end of the connecting circuit board 400' may be configured to have multiple second bonding members 420'. Each second bonding member 420' may be configured to be electrically connected to the connecting end 410'. The multiple second bonding members 420' may be configured to be electrically connected one-to-one with the first bonding members 3111 on the multiple light-emitting areas 380.

[0115] Based on the above embodiments, this application also provides a display device, which may include the backlight module in any of the above embodiments.

[0116] In some embodiments, the display device may further include a display panel, and a backlight module may be used to provide a backlight source to the display panel. The display panel may be used for image display. The backlight module is typically located at the bottom of the display device, and its shape and size are adapted to the shape and size of the display device. When applied to fields such as televisions or mobile terminals, the backlight module typically adopts a rectangular shape. Because the display device provided in this application has a backlight module as described in any of the above embodiments, the wiring of the lamp board is not restricted, facilitating the implementation of more partitions on the lamp board.

[0117] In this application, a connecting circuit board is used instead of a recessed terminal for line transmission, allowing the connecting circuit board and the lamp board to connect at the first bonding member. Furthermore, the lamp board allows for movement around the first bonding member, enabling the lamp board to achieve more partitions. In addition, compared to related technologies where there is only one bonding position between the connecting circuit board and the lamp board, in this application, multiple second bonding members on the connecting circuit board can be electrically connected one-to-one with the first bonding members on multiple light-emitting areas. Each second bonding member is electrically connected to a connecting end, thus forming multiple bonding positions. This facilitates partition control of the lamp board and increases the number of partitions. When multiple second bonding members are spaced apart along the extension direction of the connecting circuit board, the lamp board can achieve more partitions without increasing the width of the connecting circuit board. This also simplifies the circuit design on the connecting circuit board, making its structure more streamlined, saving area and reducing costs.

[0118] In related technologies, backlight modules include direct-lit backlight modules. When used in large-size displays or video walls, multiple backlight modules are typically spliced ​​together to form a unified display area. The structure of a direct-lit backlight module is similar to that of the aforementioned backlight modules; in addition to a lamp board and connecting circuit board, it may also include a back plate and a reflector.

[0119] In some embodiments, the connecting circuit board can be a flexible circuit board. In this case, the direct-lit backlight module may include a backplate, a lamp board, a flexible circuit board, and a reflector. The lamp board is equipped with light-emitting elements, such as LEDs, which are distributed across the lamp board to provide light to the display panel. The flexible circuit board is bent at the lamp board to connect the bonding area on the lamp board to the connector located on the other side of the lamp board, thereby reducing the seam of the direct-lit backlight module. The direct-lit backlight module can achieve more partitions on the lamp board using the aforementioned method; specific details are described above and will not be repeated here.

[0120] In practical applications, it has been found that when the flexible circuit board is bent at the lamp board, mechanical stress is generated inside the flexible circuit board. This causes bulges at the connection between the flexible circuit board and the lamp board, which obstructs the normal propagation of light on the lamp board. Furthermore, due to the difference in reflectivity between the reflector and the flexible circuit board, traditional display devices suffer from poor brightness uniformity at the bonding area between the flexible circuit board and the lamp board. Additionally, the pads on the flexible circuit board and the lamp board are connected by conductive adhesive. During use, heat may be generated at the connection point between the lamp board and the circuit board pads, and the conductive adhesive may age, reducing the connection strength between the lamp board and the flexible circuit board. Moreover, there is an issue of unstable optical distance in display devices. Therefore, traditional display devices suffer from poor display performance.

[0121] Therefore, some embodiments of this application provide a display device that may include a display panel, a back plate, a lamp board, a flexible circuit board, a reflector, and a diffuser. In this application, by providing a back plate inclined section on the back plate, when the flexible circuit board is bent, the first end of the flexible circuit board connects to the lamp board, and the second end of the flexible circuit board connects to the back plate inclined section. The middle section of the flexible circuit board at least covers the end of the lamp board near the through hole. The back plate inclined section provides a smooth transition path for the bending of the flexible circuit board, reducing the bending angle of the flexible circuit board, thereby avoiding sharp bending of the flexible circuit board during connection and reducing the mechanical stress generated by bending. Simultaneously, the back plate inclined section increases the connection area between the flexible circuit board and the back plate, avoiding bulging problems at the connection points of the flexible circuit board and the back plate, and between the flexible circuit board and the lamp board, thus ensuring the uniformity of light propagation of the lamp body.

[0122] In some embodiments, the display device may further provide a lamp board tilting section on the lamp board, which provides a smooth transition path for the bending of the flexible circuit board, increases the bending angle at the connection between the first surface of the lamp board and the lamp board tilting section, reduces the bending angle of the flexible circuit board, avoids sharp bending of the flexible circuit board during the connection process, reduces the mechanical stress generated by the bending of the flexible circuit board, thereby avoiding bulging problems at the connection between the flexible circuit board and the lamp board, and thus ensuring the uniformity of light propagation of the lamp body.

[0123] In some embodiments of this application, the display device may also surround the outer periphery of the second opening along the thickness direction of the display device, with the orthographic projection of the edge of the first opening onto the surface of the reflective sheet. In this way, the aperture of the second opening on the reflective sheet is not larger than the aperture of the first opening on the flexible circuit board. The reflective sheet covers the edge of the hole where the first opening is located on the flexible circuit board, preventing light from being reflected by the flexible circuit board. The light emitted by the lamp board can be smoothly reflected by the reflective sheet to maximize the reflection and utilization of light, improve the uniformity of light propagation, and thus improve the brightness uniformity of the display device.

[0124] In some embodiments, the display device can further enhance the mechanical connection strength between the flexible circuit board and the lamp board by providing a first colloid and partially covering the first end of the flexible circuit board with the portion of the first colloid filling the first opening. This design effectively reduces the risk of separation between the flexible circuit board and the lamp board due to prolonged use, and improves the connection stability between the lamp board and the flexible circuit board. The use of the first colloid not only enhances the connection strength between the lamp board and the flexible circuit board, but also provides external protection for the lamp board and the flexible circuit board, preventing environmental factors (such as moisture, dust, etc.) from corroding the connection points between the lamp board and the flexible circuit board, thereby improving the reliability and service life of the flexible circuit board and the lamp board, and ultimately improving the performance of the display device.

[0125] In some embodiments, the display device can also design the mounting surface of the backplate assembly to be tilted towards the side opposite to the backplate cavity. This pre-deforms the diffuser plate during installation, preventing it from deforming again towards the display panel under external forces during use. This design ensures that the diffuser plate does not undergo unnecessary bending or deformation under external forces, thus maintaining the stability of its optical performance. This improves the stability of the optical distance in the display device, thereby enhancing the display effect.

[0126] The following describes in detail the solution of this application and how the solution of this application ensures the uniformity of light propagation of the lamp body and improves the display effect with one or more specific embodiments. It should be noted that the following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments. Referring to Figures 12, 13 and 14, the display device provided in some embodiments of this application may include a display panel 100, a back plate 200, a lamp plate 300, a flexible circuit board 400, a reflective sheet 500 and a diffuser plate 600. The back plate 200, lamp plate 300, reflective sheet 500, diffuser plate 600 and display panel 100 can be arranged sequentially along the thickness direction of the display device. The display panel 100 has a display side. The display panel 100 of the display device faces the user. The display panel 100 is the main interface for the user to view. The display panel 100 can be used to display images or videos.

[0127] A back plate 200 is disposed on the side of the display panel 100 opposite to the display side. The back plate 200 has through holes 200a. The back plate 200 can be used to provide structural support for the display device. By providing the back plate 200, the overall mechanical strength of the display device is increased, preventing damage to the display device during installation and use.

[0128] The lamp panel 300 can be used to support and fix the lamp body 340, ensuring that the position and angle of the lamp body 340 are appropriate so as to provide uniform backlighting for the display panel 100. The lamp body 340 can be used to provide a backlight source to illuminate the display panel 100.

[0129] The size of a single lamp panel 300 is limited and cannot cover a large-size display panel 100. In some embodiments of the display device provided in this application, multiple lamp panels 300 are spliced ​​together to achieve a larger display area and meet the needs of large-size display devices. To facilitate the splicing of the lamp panels 300, a flexible circuit board 400 can be provided at the edge of the lamp panel 300. The first end of the flexible circuit board 400 is connected to the lamp panel 300. The second end of the flexible circuit board 400 is connected to the connector 700. The middle section of the flexible circuit board 400 at least covers the end of the lamp panel 300 near the through hole 200a. In this way, the flexible circuit board 400 can be bent at the edge of the lamp panel 300 to connect the upper lamp body 340 of the lamp panel 300 to the connector 700 on one side of the lamp panel 300. Thus, the lamp body 340 on the lamp panel 300 can obtain external power supply and signal transmission through the connector 700.

[0130] Because the flexible circuit board 400 can be bent and repositioned, it can tightly connect adjacent light panels 300, reducing physical gaps and seams between light panels 300, thus achieving a tighter splicing effect. This not only improves the overall aesthetics of the light panels 300 but also reduces light leakage and unevenness.

[0131] The reflector 500 can be disposed on the side of the lamp panel 300 and the flexible circuit board 400 facing the display panel 100. The reflector 500 can be used to reflect light. The reflector 500 can reflect the light emitted by the lamp body 340 (light source) back to the display panel 100, increasing brightness and light efficiency.

[0132] A diffuser plate 600 can be disposed between the display panel 100 and the lamp panel 300. The diffuser plate 600 can be used to evenly disperse the light from the lamp body 340, avoiding bright spots or dark spots.

[0133] In order to enable the setting of multiple light panels 300 on the back panel 200, the number of through holes 200a on the back panel 200 can be multiple.

[0134] As one feasible implementation, referring to FIG15, there are multiple through holes 200a, which can be sequentially spaced along a first direction. The first direction is the direction shown as X in FIG15. The first direction is perpendicular to the thickness direction of the display device.

[0135] Along the second direction, the back plate 200 has a back plate centerline 200d. The second direction is shown as the Y direction in FIG15. A through hole 200a may be provided at the back plate centerline 200d.

[0136] Referring to Figure 12, by arranging multiple through holes 200a at intervals along the first direction and positioning the through holes 200a at the center line 200d of the back plate, stress is evenly distributed, preventing stress concentration at a certain location. This improves the overall structural stability of the back plate 200 and enhances its symmetry and balance. Simultaneously, the multiple through holes 200a effectively disperse and dissipate heat from inside the back plate 200, preventing overheating and improving the heat dissipation performance of the display device.

[0137] In some embodiments, the first direction can be the length direction of the back panel 200. The second direction can be the width direction of the back panel 200.

[0138] In other embodiments, the first direction can be the width direction of the back panel 200. The second direction can be the length direction of the back panel 200.

[0139] As one possible implementation, referring to FIG16, the through hole 200a may include a first through hole 200b and a second through hole 200c that are not interconnected. There may be multiple first through holes 200b and multiple second through holes 200c. Multiple first through holes 200b may be correspondingly provided with multiple second through holes 200c, such as multiple first through holes 200b being provided one-to-one with multiple second through holes 200c.

[0140] Along the second direction, a first through hole 200b can be disposed on a first side extending from the centerline 200d of the backplate. A second through hole 200c can be disposed on a second side opposite to the first side extending from the centerline 200d of the backplate. Multiple first through holes 200b and multiple second through holes 200c can be correspondingly disposed. The distance between corresponding first through holes 200b and second through holes 200c can be equal. Thus, the first through holes 200b and second through holes 200c can be disposed on both sides of the centerline 200d of the backplate, forming a symmetrical distribution. This design can evenly distribute stress, avoiding stress concentration at a certain location, thereby improving the overall structural stability of the backplate 200. Simultaneously, the first through holes 200b and second through holes 200c can be used for the flexible circuit board 400 to pass through, improving the neatness and reliability of the backplate 200.

[0141] As one possible implementation, referring to FIG17, the lamp panel 300 may include a first lamp panel 350 and a second lamp panel 360. There may be multiple first lamp panels 350. There may also be multiple second lamp panels 360.

[0142] Along the second direction, a plurality of first lamp panels 350 may be disposed on a first side extending from the center line 200d of the back panel. A plurality of second lamp panels 360 may be disposed on a second side opposite to the first side of the center line 200d of the back panel. The plurality of first lamp panels 350, the plurality of through holes 200a, and the plurality of second lamp panels 360 may be disposed correspondingly.

[0143] It is understandable that each first lamp panel 350 is provided with a corresponding flexible circuit board 400. Each second lamp panel 360 is provided with a corresponding flexible circuit board 400.

[0144] Along the second direction, the first lamp panel 350 can be positioned close to the first side extending from the center line 200d of the back panel. Multiple first lamp panels 350 and multiple through holes 200a can be correspondingly positioned, such as in a one-to-one correspondence. The first end of the flexible circuit board can be connected to the bonding area 311 of the first lamp panel 350. At least a portion of the middle section of the flexible circuit board covers the end of the lamp panel 300 near the through hole 200a. The second end of the flexible circuit board is connected to the connector 700, allowing the connector 700 to input external power and signals to the lamp panel 300 to control the lamp body 340 on the lamp panel 300 to emit light. By correspondingly positioning the first lamp panels 350 and the through holes 200a, and connecting the first lamp panels 350 to the connector 700 via the flexible circuit board 400, individual control of each first lamp panel 350 is achieved. Each connector 700 can independently transmit power and signals to its corresponding first lamp panel 350, enabling each first lamp panel 350 to operate independently and meet different display effects.

[0145] Along the second direction, the second lamp panel 360 can be positioned close to the second side opposite to the first side of the back panel centerline 200d. Multiple second lamp panels 360 and multiple through holes 200a can be correspondingly arranged, such as in a one-to-one correspondence. The first end of the flexible circuit board and the bonding area 311 of the second lamp panel 360 are connected. At least a portion of the middle section of the flexible circuit board covers the end of the lamp panel 300 near the through hole 200a. The second end of the flexible circuit board is connected to a connector 700, allowing the connector 700 to input external power and signals to the lamp panel 300 to control the lamp body 340 on the lamp panel 300 to emit light. By correspondingly arranging the second lamp panels 360 and the through holes 200a, and connecting the second lamp panels 360 to the connector 700 via the flexible circuit board 400, individual control of each second lamp panel 360 is achieved. Each connector 700 can independently transmit power and signals to its corresponding second lamp panel 360, enabling each second lamp panel 360 to operate independently and meet different display effects.

[0146] In some embodiments, the distance between adjacent first lamp panels 350 may be equal. The distance between adjacent second lamp panels 360 may be equal. The distance between correspondingly arranged first lamp panels 350 and second lamp panels 360 may also be equal. This uniform spacing helps to achieve a uniform arrangement of the lamp panels 300, ensuring consistent display effects.

[0147] When the flexible circuit board 400 is bent around the lamp board 300, the flexible circuit board 400 will deform under its own stress. At this time, a bulge will be generated between the flexible circuit board 400 and the lamp board 300, affecting the light emitted by the lamp body 340 on the lamp board 300 and affecting the display effect of the display device. Based on this, this application provides the following embodiments.

[0148] As one feasible implementation, referring to Figures 18, 19, and 20, the back panel 200 may have a first back panel surface 210, a second back panel surface 220, and a third back panel surface 230 connected in sequence. The first back panel surface 210 and the third back panel surface 230 may be disposed opposite to each other along the thickness direction of the display device. The second back panel surface 220 may connect the first back panel surface 210 and the third back panel surface 230. The second back panel surface 220 may have a back panel inclined section 221. The back panel inclined section 221 may be provided at the through hole 200a.

[0149] A light panel 300 can be installed on the first side 210 of the back panel.

[0150] The inclined section 221 of the back panel may include a first end of the back panel disposed near the first surface 210 of the back panel and a second end of the back panel disposed near the third surface 230 of the back panel. Along the direction perpendicular to the thickness of the back panel 200, the second end of the back panel may be closer to the center of the lamp panel 300 relative to the first end of the back panel;

[0151] Along the direction from the first end to the second end of the back panel, the distance between the inclined section 221 of the back panel and the display panel 100 can gradually increase. That is, the angle between the direction from the first end to the second end of the back panel and the first surface 210 of the back panel can be an acute angle.

[0152] The flexible circuit board 400 may include a first end of the flexible circuit board, a middle section of the flexible circuit board, and a second end of the flexible circuit board connected in sequence.

[0153] The first end of the flexible circuit board is connected to the lamp board 300. The second end of the flexible circuit board is connected to the inclined section 221 of the back plate, and the second end of the flexible circuit board is also connected to the connector 700. The middle section of the flexible circuit board at least covers the end of the lamp board 300 near the through hole 200a.

[0154] The lamp panel 300 can be mounted on the first surface 210 of the back panel. The lamp panel 300 and the first surface 210 of the back panel can be connected. The connector 700 can be mounted on the inclined section 221 of the back panel.

[0155] The display device provided in some embodiments of this application can be configured by providing a backplate inclined section 221 on the backplate 200. When the flexible circuit board 400 is bent, the first end of the flexible circuit board is connected to the lamp board 300, and the second end of the flexible circuit board is connected to the backplate inclined section 221. The middle section of the flexible circuit board at least covers the end of the lamp board 300 near the through hole 200a. In this way, the backplate inclined section 221 can provide a smooth transition path for the bending of the flexible circuit board 400, reduce the bending angle of the flexible circuit board 400, avoid the flexible circuit board 400 from bending sharply during the connection process, and reduce the mechanical stress generated by the bending of the flexible circuit board 400. At the same time, the setting of the backplate inclined section 221 increases the connection area between the flexible circuit board 400 and the backplate 200, avoids the bulging problem at the connection between the flexible circuit board 400 and the backplate 200 and the connection between the flexible circuit board 400 and the lamp board 300, and thus avoids the bulging problem from affecting the uniformity of light propagation of the lamp body 340.

[0156] As one feasible implementation, referring to Figures 18 to 22, i.e., Figures 18, 19, 20, 21, and 22, the inclined segment 221 of the back panel can be disposed in the middle section of the second surface 220 of the back panel along the first direction. The first direction can be perpendicular to the thickness direction of the display device.

[0157] The inclined section 221 of the back plate can form part of the inner wall of the through hole 200a on the surface facing the through hole 200a.

[0158] In some embodiments, the number of through holes 200a on the back plate 200 may be one. The second surface 220 of the back plate may include a vertical section and an inclined section 221. Along a first direction, the two vertical sections of the back plate may be disposed at opposite ends of the inclined section 221, the first direction being the direction shown by X in FIG18. In this way, by disposing the inclined section 221 of the back plate in the middle section of the second surface 220 of the back plate, a step is provided between the inclined section 221 and the vertical section of the back plate. The step serves to limit the movement of the flexible circuit board 400, preventing the flexible circuit board 400 from moving, avoiding poor contact or open circuit problems caused by the movement of the flexible circuit board 400, and improving the connection stability of the flexible circuit board 400.

[0159] As one feasible implementation, referring to FIG23, the inclined section 221 of the back panel may be stepped. The inclined section 221 of the back panel may include a first inclined section 222, a second inclined section 223, and a third inclined section 224 connected in sequence. The first inclined section 222 may be connected to the first surface 210 of the back panel. The third inclined section 224 may be connected to the third surface 230 of the back panel. The second inclined section 223 may connect the first inclined section 222 and the third inclined section 224.

[0160] Along the thickness direction of the display device, the first inclined segment 222 may include a first inclined end disposed near the first surface 210 of the back panel and a second inclined end disposed near the third surface 230 of the back panel. Along the direction perpendicular to the thickness direction of the display device, the second inclined end may be disposed relative to the first inclined end near the center of the lamp panel 300.

[0161] The distance between the first inclined segment 222 and the display panel 100 can gradually increase from the first inclined end to the second inclined end.

[0162] The extension directions of the first inclined segment 222 and the third inclined segment 224 may be parallel. The extension direction of the second inclined segment 223 may intersect with the extension directions of the first inclined segment 222 and the third inclined segment 224.

[0163] The display device provided in some embodiments of this application can provide more mounting and fixing points for the flexible circuit board 400 by setting a first inclined segment 222, a second inclined segment 223, and a third inclined segment 224 connected in sequence. This effectively increases the contact area between the flexible circuit board 400 and the back plate inclined segment 221, facilitating the installation of the flexible circuit board 400 and improving the stability and reliability of the installation. Figure 23 shows a schematic diagram of the structure when the back plate inclined segment 221 has a step.

[0164] Understandably, multiple tilting sections can be set on the backplate tilting section 221.

[0165] As one possible implementation, the surface of the inclined section 221 of the back plate may be uneven.

[0166] In some embodiments, the surface of the inclined section 221 of the backplate can be roughened. The roughened surface may include minute protrusions and depressions. In this way, the flexible circuit board 400 can deform at the protrusions and depressions. The protrusions and depressions can increase the contact area between the flexible circuit board 400 and the inclined section 221 of the backplate, increase the friction between the flexible circuit board 400 and the inclined section 221 of the backplate, prevent the flexible circuit board 400 from sliding or shifting during use, thereby further improving the connection stability between the flexible circuit board 400 and the inclined section 221 of the backplate, changing the stress of the flexible circuit board 400, and avoiding bulging problems between the flexible circuit board 400 and the backplate 200, and between the flexible circuit board 400 and the lamp board 300.

[0167] As one feasible implementation, referring to Figures 24, 25, and 26, the lamp panel 300 may have a first lamp panel surface 310, a second lamp panel surface 320, and a third lamp panel surface 330 connected in sequence. Along the thickness direction of the display device, the first lamp panel surface 310 and the third lamp panel surface 330 may be arranged opposite to each other.

[0168] The first surface 310 of the light panel can face the display panel 100. A lamp body 340 can be provided on the first surface 310 of the light panel. The second surface 320 of the light panel can be connected to the first surface 310 of the light panel and the third surface 330 of the light panel. The third surface 330 of the light panel and the first surface 210 of the back panel can be connected.

[0169] In some embodiments, the angle between the direction from the first end to the second end of the back plate and the second surface 320 of the lamp plate can be greater than 110° and less than 130°.

[0170] When the angle between the direction from the first end to the second end of the backplate and the second surface 320 of the lamp board is less than 110°, the bending angle of the flexible circuit board 400 is still too large, which cannot effectively alleviate the mechanical stress at the bend. This leads to stress concentration, increasing the risk of breakage or damage to the flexible circuit board 400. Simultaneously, an excessively small angle cannot effectively increase the contact area between the flexible circuit board 400 and the inclined section 321 of the lamp board, resulting in reduced connection stability. In other words, insufficient contact area affects the fixation and stability of the circuit board, increasing installation difficulty and uncertainty. Furthermore, given a 90° angle between the second surface 320 and the third surface 330 of the lamp board, to achieve an angle less than 110° between the inclined section 221 of the backplate and the second surface 320 of the lamp board, the angle between the first surface 210 of the backplate and the inclined section 221 of the backplate must be less than 20°. This design increases the manufacturing difficulty and complexity of the backplate 200, which is detrimental to mass production and quality control. When the angle between the direction from the first end to the second end of the backplate and the second surface 320 of the lamp board is greater than 130°, the contact area between the flexible circuit board 400 and the inclined section 321 of the lamp board is reduced, resulting in decreased connection stability. In other words, insufficient contact area will affect the fixation and stability of the circuit board, increasing the difficulty and uncertainty of installation.

[0171] Therefore, in this application, the angle between the direction from the first end to the second end of the back plate and the second surface 320 of the lamp board can be set to a range greater than 110° and less than or equal to 130°, so as to effectively disperse the bending stress of the flexible circuit board 400, reduce stress concentration, and avoid bulging. At the same time, it ensures the contact area between the flexible circuit board 400 and the back plate 200.

[0172] As a specific embodiment, in this application, the angle between the direction from the first end to the second end of the back plate and the second surface 320 of the lamp plate can be 115°, 120°, or 125°.

[0173] The light panel 300 can be positioned between the back panel 200 and the display panel 100. The light panel 300 and the back panel 200 are connected.

[0174] The lamp body 340 can be an LED lamp.

[0175] As one feasible implementation, referring to Figures 24 to 26, the second surface 320 of the lamp panel may have a lamp panel inclined section 321. Along the thickness direction of the lamp panel 300, the lamp panel inclined section 321 may include a first end of the lamp panel near the first surface 310 and a second end of the lamp panel near the third surface 330. Along the direction perpendicular to the thickness of the lamp panel 300, the second end of the lamp panel may be opposite to the first end of the lamp panel and away from the lamp body 340. Along the direction from the first end to the second end of the lamp panel, the distance between the lamp panel inclined section 321 and the display panel 100 may gradually increase. That is, the angle between the direction from the first end to the second end of the lamp panel and the extending direction of the first surface 310 of the lamp panel may be an obtuse angle.

[0176] The flexible circuit board 400 is bent at the edge of the lamp panel 300. The flexible circuit board may include a first end, a middle section, and a second end connected in sequence. The first end of the flexible circuit board is connected to the first surface 310 of the lamp panel. The second end of the flexible circuit board is connected to the third surface 330 of the lamp panel and is also connected to the connector 700. The middle section of the flexible circuit board at least covers the inclined section 321 of the lamp panel. In this way, the lamp body 340 on the lamp panel 300 can obtain external power supply and signal transmission through the connector 700.

[0177] The display device provided in some embodiments of this application can provide a smooth transition path for the bending of the flexible circuit board 400 by setting a lamp board tilting section 321 on the lamp board 300. The first end of the flexible circuit board is connected to the first surface 310 of the lamp board, and the second end of the flexible circuit board is connected to the third surface 330 of the lamp board. The middle section of the flexible circuit board at least covers the lamp board tilting section 321, which increases the bending angle at the connection between the first surface 310 of the lamp board and the lamp board tilting section 321, thereby reducing the bending angle of the flexible circuit board 400. This avoids abrupt bending of the flexible circuit board 400 during the connection process, reduces the mechanical stress generated by the bending of the flexible circuit board 400, and avoids the problem of bulging at the connection between the flexible circuit board 400 and the lamp board 300. This also avoids the problem of bulging affecting the uniformity of light propagation of the lamp body 340. At the same time, the setting of the lamp board tilting section 321 also increases the connection area between the flexible circuit board 400 and the lamp board 300, and improves the connection stability between the flexible circuit board 400 and the lamp board 300.

[0178] In one possible implementation, the lamp panel 300 may include a first lamp panel 350 and a second lamp panel 360. There may be multiple first lamp panels 350 and multiple second lamp panels 360.

[0179] Along the second direction, a plurality of first lamp panels 350 may be disposed on a first side extending in the direction of the center line 200d of the back panel. A plurality of second lamp panels 360 may be disposed on a second side opposite to the first side extending in the direction of the center line 200d of the back panel.

[0180] Multiple first lamp panels 350 and multiple first through holes 200b can be configured correspondingly, such as in a one-to-one correspondence. Multiple second lamp panels 360 and multiple second through holes 200c can be configured correspondingly, such as in a one-to-one correspondence.

[0181] It is understandable that each first lamp panel 350 can be provided with a corresponding flexible circuit board 400. Each second lamp panel 360 can be provided with a corresponding flexible circuit board 400.

[0182] In some embodiments, the first end of the flexible circuit board is connected to the first lamp board 350, at least a portion of the middle section of the flexible circuit board covers the inclined section 321 of the lamp board, the second end of the flexible circuit board is connected to the third surface 330 of the lamp board, and the second end of the flexible circuit board is connected to a connector 700 located in the first through hole 200b. Thus, the connector 700 can input external power and signals to the lamp board 300, causing the lamp body 340 on the lamp board 300 to emit light. By correspondingly setting the first lamp board 350 and the first through hole 200b, and connecting the first lamp board 350 to the connector 700 via the flexible circuit board 400, individual control of each first lamp board 350 is achieved. Each connector 700 can independently transmit power and signals to its corresponding first lamp board 350, allowing each first lamp board 350 to operate independently and meet different display effects.

[0183] Wherein, along the thickness direction of the display device, the first end of the lamp plate of the lamp plate inclined section 321 on the first lamp plate 350 can extend towards the lamp body 340 on the first lamp plate 350 relative to the second end of the lamp plate of the lamp plate inclined section 321 on the first lamp plate 350.

[0184] The first end of the flexible circuit board is connected to the second lamp board 360. The middle section of the flexible circuit board at least covers the inclined section 321 of the lamp board. The second end of the flexible circuit board is connected to the third surface 330 of the lamp board. The second end of the flexible circuit board is connected to the connector 700 located in the second through hole 200c. In this way, the connector 700 can input external power and signals to the lamp board 300 to control the lamp body 340 on the lamp board 300 to emit light. By correspondingly setting the second lamp board 360 and the second through hole 200c, and connecting the second lamp board 360 to the connector 700 through the flexible circuit board 400, individual control of each second lamp board 360 is realized. Each connector 700 can independently transmit power and signals to the corresponding second lamp board 360, so that each second lamp board 360 can work independently to meet different display effects.

[0185] Wherein, along the thickness direction of the display device, the first end of the lamp panel of the lamp panel inclined section 321 on the second lamp panel 360 can extend toward the lamp body 340 on the second lamp panel 360 relative to the second end of the lamp panel of the lamp panel inclined section 321 on the second lamp panel 360.

[0186] In one specific embodiment, the number of first lamp panels 350 can be four. The number of first through holes 200b can be four. The number of second lamp panels 360 can be four. The number of second through holes 200c can be four. This application does not limit the number of lamp panels 300 or through holes 200a.

[0187] As one feasible implementation, the inclined segment 321 of the lamp panel can be disposed in the middle section of the second surface 320 of the lamp panel along the first direction. The first direction can be perpendicular to the thickness direction of the display device.

[0188] Referring to Figures 26 to 30, i.e., Figures 26, 27, 28, 29, and 30, the bonding area 311 of the light panel 300 can be located between the outermost and second-edge light bodies on the light panel 300. The outermost light body refers to the light body 340 on the light panel 300 that is closest to the second surface 320 of the light panel. The second-edge light body refers to the light body 340 on the light panel 300 that is closest to the second surface 320 of the light panel, excluding the outermost light body 340.

[0189] Referring to Figures 26 and 27, the bonding area 311 may be located on the first surface of the lamp panel 300. Along a first direction, the bonding area 311 may be positioned near the middle section of the first surface 310 of the lamp panel to centrally manage electrical connection points, facilitating manufacturing and maintenance. The first direction is shown as X in Figure 27. The first end of the flexible circuit board and the first surface 310 of the lamp panel may be bonded in the bonding area 311. The second end of the flexible circuit board and the third surface 330 of the lamp panel may be connected, and the second end of the flexible circuit board and the connector 700 may be connected. The middle section of the flexible circuit board at least covers the inclined section 321 of the lamp panel. In this way, the first surface 310 of the lamp board and the inclined section 321 of the lamp board can provide a smooth path for the flexible circuit board 400. Compared with the 90° bending angle between the first surface 310 and the second surface 320 of the lamp board in traditional display devices, in some embodiments of this application, the bending angle formed between the first surface 310 and the inclined section 321 of the lamp board can be an obtuse angle, which reduces the bending angle of the flexible circuit board 400, reduces the mechanical stress generated by the flexible circuit board 400, improves the connection stability between the flexible circuit board 400 and the lamp board 300, avoids the problem of bulging at the connection between the flexible circuit board 400 and the lamp board 300, and thus avoids the problem of bulging affecting the uniformity of light propagation of the lamp body 340.

[0190] The second surface 320 of the lamp panel may include a vertical section 322 and an inclined section 321. Along the first direction, the two vertical sections 322 may be disposed at opposite ends of the inclined section 321. In this way, the inclined section 321 corresponds to the binding area 311. The inclined section 321 is disposed in the middle section of the second surface 320 extending along the first direction, and the binding area 311 is disposed in the middle section of the first surface 310 along the first direction. Concentrating the binding area 311 and the inclined section 321 in the middle section helps to optimize the space utilization of the lamp panel 300.

[0191] When the inclined section 321 of the lamp board is set between the two vertical sections 322 of the lamp board, there may be a step between the inclined section 321 and the vertical section 322 of the lamp board. The step plays a limiting role on the flexible circuit board 400, preventing the flexible circuit board 400 from moving and avoiding poor contact or open circuit problems caused by the movement of the flexible circuit board 400, thereby improving the connection stability of the flexible circuit board 400.

[0192] It is understandable that the second side 320 of the lamp panel can all be the inclined section 321 of the lamp panel, in order to simplify the manufacturing process, reduce production steps, and thus improve production efficiency.

[0193] As one feasible implementation, a chamfered structure 800 may be provided at the connection between the inclined section 321 of the lamp panel and the first surface 310 of the lamp panel.

[0194] As one feasible implementation, as shown in FIG26, a chamfered structure 800 may be provided at the connection between the inclined section 321 of the lamp panel and the third surface 330 of the lamp panel.

[0195] In some embodiments, a chamfer structure 800 may be provided at the connection between the inclined section 321 of the lamp panel and the first surface 310 of the lamp panel. The chamfer structure 800 provides a smooth transition area for the flexible circuit board 400 bending at the inclined section 321 of the lamp panel, preventing abrupt bending of the flexible circuit board 400 at the connection between the inclined section 321 and the first surface 310 of the lamp panel. Thus, the chamfer structure 800 makes the connection between the flexible circuit board 400 and the inclined section 321 of the lamp panel and the first surface 310 of the lamp panel smoother, avoiding bulging at the connection point, thereby maintaining uniform light propagation from the lamp body 340 and ensuring the visual effect and performance of the display panel 100. Simultaneously, the chamfer structure 800 can effectively disperse stress, preventing stress concentration on the flexible circuit board 400 at a single point, thereby improving the durability and reliability of the flexible circuit board 400.

[0196] In other embodiments, a chamfer structure 800 may be provided at the connection between the inclined section 321 of the lamp panel and the third surface 330 of the lamp panel. The chamfer structure 800 can provide a smooth transition area for the flexible circuit board 400 bending at the inclined section 321 of the lamp panel, reducing the sharp bending of the flexible circuit board 400 at the connection between the inclined section 321 of the lamp panel and the third surface 330 of the lamp panel. In this way, the chamfer structure 800 can make the connection between the flexible circuit board 400 and the inclined section 321 of the lamp panel and the third surface 330 of the lamp panel smoother, avoiding stress concentration on a certain point on the flexible circuit board 400, thereby improving the durability and reliability of the flexible circuit board 400.

[0197] In some other embodiments, a chamfered structure 800 may be provided at the connection between the inclined section 321 of the lamp panel and the first surface 310 of the lamp panel. A chamfered structure 800 may also be provided at the connection between the inclined section 321 of the lamp panel and the third surface 330 of the lamp panel. The same effect can be achieved as in the above embodiments, so it will not be described again here.

[0198] In some embodiments, the chamfer structure 800 can be a right angle or a rounded corner.

[0199] In some embodiments, when the chamfer structure 800 is a rounded corner, the chamfer radius of the chamfer structure 800 can be greater than 0.15 mm and less than 0.25 mm to effectively disperse stress and make the flexible circuit board 400 transition smoothly.

[0200] When the radius of the chamfer structure 800 is greater than 0.25 mm, the radius is too large. An oversized chamfer may reduce the effective cross-sectional area of ​​the lamp panel 300, thus decreasing its strength. Furthermore, an oversized chamfer structure 800 may increase the complexity and difficulty of the manufacturing process, requiring more precise processing equipment and technology, leading to increased manufacturing costs. Conversely, when the radius of the chamfer structure 800 is less than 0.15 mm, the radius is too small. An undersized chamfer structure 800 cannot effectively distribute stress, potentially causing stress concentration in certain areas, increasing the risk of damage to the flexible circuit board 400 and the lamp panel 300. Simultaneously, an undersized chamfer structure 800 cannot provide a sufficiently smooth transition, and the flexible circuit board 400 will still bear significant mechanical stress at the bending point, increasing the likelihood of damage.

[0201] Therefore, in some embodiments of this application, the chamfer radius of the chamfer structure 800 can be set to be greater than 0.15 mm and less than 0.25 mm to effectively disperse stress and make the flexible circuit board 400 transition smoothly.

[0202] In some embodiments, the chamfer radius of the chamfer structure 800 can be 0.2 mm.

[0203] As one possible implementation, the surface of the inclined section 321 of the lamp panel may be uneven.

[0204] In some embodiments, the surface of the lamp panel tilting section 321 can be roughened. The roughened surface may include minute protrusions and depressions. This allows the flexible circuit board 400 to deform at the protrusions and depressions. The protrusions and depressions increase the contact area between the flexible circuit board 400 and the lamp panel tilting section 321, increasing the friction between them and preventing the flexible circuit board 400 from sliding or shifting during use. This further improves the connection stability between the flexible circuit board 400 and the lamp panel tilting section 321, and avoids bulging problems between the flexible circuit board 400 and the lamp panel 300.

[0205] In some embodiments, the lamp panel 300 may be an aluminum plate. For example, sandpaper may be used to treat the surface of the inclined section 321 of the lamp panel to make the surface of the lamp panel 300 uneven.

[0206] As one feasible implementation, the orthographic projection of the inclined segment 321 of the lamp panel onto the surface of the back panel 200 along the thickness direction of the display device, and its extension length T along the second direction, can satisfy:

[0207] Wherein, K is the distance from the outermost edge of the lamp body 340 of the lamp panel 300 to the through hole 200a.

[0208] When T is less than half of K, the extension length of the inclined segment 321 of the lamp panel along the second direction is too small. This limits the stress relief provided by the inclined segment 321 to the flexible circuit board 400 caused by bending, and the flexible circuit board 400 may still bulge, which will still affect the light emission of the lamp panel 300. Conversely, when T is greater than three-quarters of K, the extension length of the inclined segment 321 along the second direction is too large. This limits the contact area between the outermost lamp body 340 and the lamp panel 300, hindering the installation of the lamp body 340 and reducing the performance of the lamp panel 300.

[0209] Therefore, in this application, the extension length T of the inclined segment 321 of the lamp board on the back plate 200 can be set to satisfy the above formula. In this way, the bending stress of the flexible circuit board 400 can be effectively relieved, the bulging phenomenon can be avoided, and at the same time, the contact area between the lamp body 340 and the lamp board 300 is sufficient, which is conducive to the installation and fixation of the lamp body 340.

[0210] In some embodiments, T can be two-thirds of K.

[0211] As one feasible implementation, the inclined section 321 of the first lamp board 350 can be positioned close to the first through hole 200b, facilitating the connection between the second end of the flexible circuit board and the connector 700, thus simplifying the installation process of the flexible circuit board 400. Simultaneously, it is also more convenient and faster to maintain or replace the flexible circuit board 400.

[0212] In some embodiments, the inclined section 321 of the second lamp board 360 can be positioned close to the second through hole 200c, facilitating the connection between the second end of the flexible circuit board and the connector 700, thus simplifying the installation process of the flexible circuit board 400. Simultaneously, it is also more convenient and faster to maintain or replace the flexible circuit board 400.

[0213] As one feasible implementation, referring to FIG31, along the thickness direction of the display device, the lamp panel tilting segment 321 may include a first end of the lamp panel near the first surface 310 of the lamp panel and a second end of the lamp panel near the third surface 330 of the lamp panel. The first end of the lamp panel may be tilted toward the lamp body 340 relative to the second end of the lamp panel.

[0214] The lamp panel tilting section 321 and the back panel tilting section 221 are connected.

[0215] In some embodiments, the angle between the direction from the first end to the second end of the lamp panel and the first surface 310 of the lamp panel can be greater than 150° and less than 170°.

[0216] When the angle between the direction from the first end to the second end of the lamp board and the first surface 310 of the lamp board is less than 150°, the bending angle of the flexible circuit board 400 is still too large, resulting in excessive mechanical stress on the flexible circuit board 400. Excessive mechanical stress can easily lead to breakage or damage to the flexible circuit board 400. Furthermore, when the angle between the direction from the first end to the second end of the lamp board and the first surface 310 of the lamp board is less than 150°, the contact area between the flexible circuit board 400 and the inclined section 321 of the lamp board cannot be effectively increased, reducing the connection stability between the flexible circuit board 400 and the inclined section 321 of the lamp board. When the angle between the direction from the first end to the second end of the lamp board and the first surface 310 of the lamp board is greater than 170°, the inclined section 321 of the lamp board becomes almost horizontal, which is not conducive to the bending of the flexible circuit board 400. The excessive angle increases the splicing area between adjacent lamp boards 300, resulting in loose splicing and affecting the overall structural stability and aesthetics of the display device. Moreover, the increased splicing area may lead to light leakage, affecting the uniformity and consistency of light output and reducing the display effect.

[0217] Therefore, in some embodiments of this application, the angle between the direction from the first end to the second end of the lamp board and the first surface 310 of the lamp board can be set to be greater than 150° and less than 170°, so as to effectively disperse the bending stress of the flexible circuit board 400, reduce stress concentration, avoid bulging, and at the same time reduce the splicing area between adjacent lamp boards 300, making the splicing tighter and improving the stability and aesthetics of the overall structure of the display device.

[0218] Optionally, the angle between the direction from the first end to the second end of the lamp panel and the first surface 310 of the lamp panel is 155°, 160°, or 165°.

[0219] The flexible circuit board 400 may include a first segment, a second segment, and a third segment connected in sequence. The first segment may cover a portion of the first surface 310 of the lamp panel. The second segment may cover a portion of the second surface 320 of the lamp panel. The third segment may cover a portion of the inclined section 221 of the back panel.

[0220] By setting the inclined section 321 of the lamp board, the bending angle at the connection between the first and second board sections is reduced, the contact area between the second board section and the inclined section 321 of the lamp board is increased, the mechanical stress at the connection between the first and second board sections is reduced, and the problem of bulging at the connection between the flexible circuit board 400 and the lamp board 300 is avoided. By setting the inclined section 221 of the back plate, the bending angle at the connection between the second and third board sections is reduced, the contact area between the third board section and the inclined section 221 of the back plate is increased, the mechanical stress caused by bending of the second and third board sections is reduced, the problem of bulging at the connection between the flexible circuit board 400 and the back plate 200 is avoided, and thus the problem of bulging between the first board section and the lamp board 300 is avoided.

[0221] As one feasible implementation, a chamfered structure 800 may be provided at the connection between the inclined section 221 of the back panel and the inclined section 321 of the lamp panel.

[0222] In some embodiments, a chamfered structure 800 may be provided at the connection between the inclined section 321 of the lamp panel and the inclined section 221 of the back panel. The chamfered structure 800 provides a smooth transition area for the flexible circuit board 400 at the connection between the lamp panel 300 and the back panel 200, reducing the abrupt bending of the flexible circuit board 400 at this point. The chamfered structure 800 makes the connection between the flexible circuit board 400 and the inclined section 321 of the lamp panel and the inclined section 221 of the back panel smoother, avoiding bulging at the connection point, thereby maintaining uniform light propagation from the lamp body 340 and ensuring the visual effect and performance of the display panel 100. Simultaneously, the chamfered structure 800 can effectively disperse stress, preventing stress concentration on the flexible circuit board 400 at a single point, thereby improving the durability and reliability of the flexible circuit board 400.

[0223] In some embodiments, the chamfer structure 800 may include a right angle and a rounded corner.

[0224] As one feasible implementation, referring to Figures 32, 33, and 34, a first opening 400a may be provided at the first end of the flexible circuit board. A reflective sheet 500 may be provided on the side of the flexible circuit board 400 facing the display panel 100. A second opening 521 may be provided on the reflective sheet 500.

[0225] The first opening 400a and the second opening 521 are connected, and a portion of the lamp body 340 passes through the first opening 400a and the second opening 521 to connect with the lamp panel 300. Along the thickness direction of the display device, the orthographic projection of the edge of the first opening 400a onto the surface where the reflector 500 is located can surround the outer periphery of the second opening 521.

[0226] In some embodiments, during the assembly of the display device, an adhesive can be applied to the side of the lamp board 300 facing away from the back plate 200, and the lamp body 340 can be bonded to the lamp board 300. Then, the flexible circuit board 400 and the lamp board 300 are connected. A pad may be provided on the side of the lamp board 300 near the display panel 100. The pads on the flexible circuit board 400 and the lamp board 300 are connected. Simultaneously, the lamp body 340 can pass through a first opening 400a on the flexible circuit board 400. Then, a reflector 500 is placed on the side of the flexible circuit board 400 facing away from the lamp board 300, at which point the lamp body 340 passes through a second opening 521 on the reflector 500.

[0227] Since the reflectivity of the reflective sheet 500 is higher than that of the flexible circuit board 400, in order to improve the reflectivity of light, it is necessary to prevent the light emitted by the lamp body 340 from being reflected by the flexible circuit board 400. At this time, it is necessary to control the size relationship between the first opening 400a and the second opening 521. In some embodiments of the display device provided in this application, along the thickness direction of the display device, the orthographic projection of the edge of the first opening 400a on the surface where the reflective sheet 500 is located can surround the outer periphery of the second opening 521. Thus, the aperture of the second opening 521 on the reflective sheet 500 is not larger than the aperture of the first opening 400a on the flexible circuit board 400. The reflective sheet 500 can cover the edge of the first opening 400a on the flexible circuit board 400, preventing light from being reflected by the flexible circuit board 400. The light emitted by the lamp board 300 is smoothly reflected by the reflective sheet 500 to maximize the reflection and utilization of light, improve the uniformity of light propagation, and improve the brightness uniformity of the display device.

[0228] As one feasible implementation, referring to FIG34, the diameter of the first opening 400a may not be smaller than the diameter of the second opening 521.

[0229] As one feasible implementation, the diameter of the second opening 521 can be no less than the diameter of the lamp body 340. By setting the diameter of the first opening 400a to be no less than the diameter of the second opening 521, and setting the diameter of the second opening 521 to be no less than the diameter of the lamp body 340, it is ensured that the light emitted by the lamp body 340 can pass smoothly through the first opening 400a and the second opening 521, avoiding reflection of light from the sidewalls of the first opening 400a and the second opening 521. In this way, the light will not be blocked or obstructed by the flexible circuit board 400 and the sidewalls of the second opening 521, thereby improving the light efficiency and display effect and ensuring smooth light transmission.

[0230] By setting the diameter of the second opening 521 of the reflector 500 to be no larger than the diameter of the first opening 400a of the flexible circuit board 400, the light emitted by the lamp body 340 can be prevented from being reflected by the flexible circuit board 400, thereby minimizing the loss of light during transmission, ensuring that the light can effectively illuminate the display panel 100, and improving the light utilization rate.

[0231] As one feasible implementation, the center of the first opening 400a, the center of the second opening 521, and the center of the lamp body 340 can coincide. In this way, the first opening 400a and the second opening 521 are coaxially arranged, allowing the light emitted from the lamp body 340 to pass through both openings to the maximum extent. This ensures that the light emitted from the lamp body 340 can smoothly pass through the second opening 521 and the first opening 400a along the shortest path, reducing light scattering and loss, and improving luminous efficiency and display effect.

[0232] As one feasible implementation, the radial dimension of the second opening 521 near the lamp plate 300 may not be greater than the radial dimension of the second opening 521 away from the lamp plate 300.

[0233] Referring to Figures 35 and 36, along the thickness direction of the display device, and referring to the direction shown by Z in Figure 35, the second opening 521 can form a gradually enlarging channel, which helps to guide and concentrate the light emitted by the lamp body 340, allowing the light to pass through the second opening 521 more effectively, reducing light scattering and loss, and improving luminous efficiency and display effect. In this way, the light is more evenly distributed on the display panel 100 after passing through the second opening 521, avoiding bright or dark spots, thereby improving display quality. Furthermore, the gradually enlarging opening design provides more operating space during assembly, facilitating the alignment and installation of the reflector 500, and improving assembly efficiency and accuracy.

[0234] As one feasible implementation, the radial dimension of the second opening 521 near the lamp plate 300 can be equal to the radial dimension of the second opening 521 away from the lamp plate 300.

[0235] As one feasible implementation, the radial dimension of the first opening 400a near the lamp plate 300 can be equal to the radial dimension of the first opening 400a away from the lamp plate 300.

[0236] In some embodiments, the radial dimension of the first opening 400a near the end of the lamp panel 300 is equal to the radial dimension of the end of the first opening 400a away from the lamp panel 300. Similarly, the radial dimension of the second opening 521 near the end of the lamp panel 300 is equal to the radial dimension of the end of the second opening 521 away from the lamp panel 300. This ensures that the flexible circuit board 400 does not cause any loss in light transmission, guaranteeing that light can effectively illuminate the display panel 100 and improving light utilization. Furthermore, the equal-diameter design of the first opening 400a and the second opening 521 simplifies the design and manufacturing process, reduces complexity and manufacturing costs, and improves production efficiency and product consistency.

[0237] In other embodiments, the radial dimension of the first opening 400a near the lamp panel 300 is equal to the radial dimension of the first opening 400a away from the lamp panel 300. The radial dimension of the second opening 521 near the lamp panel 300 is smaller than the radial dimension of the second opening 521 away from the lamp panel 300. The constant diameter design of the first opening 400a ensures that light can pass through smoothly, while the gradually enlarging design of the second opening 521 guides light to pass through the opening more effectively, reducing light obstruction and loss, and improving luminous efficiency and display effect. The gradually enlarging design of the second opening 521 can reduce light scattering at the edge of the opening, allowing more light to pass directly through the opening and improving light utilization. Part of the light emitted by the lamp body 340 is directed towards the second opening 521. At this time, this part of the light is reflected by the side wall of the reflector 500 and then emitted through the second opening 521, resulting in less light loss in the lamp body 340.

[0238] As one possible implementation, referring to FIG37, the reflective sheet 500 may include a first reflective segment 510 and a second reflective segment 520 connected to each other.

[0239] Along the thickness direction of the display device, the orthographic projection of the flexible circuit board 400 onto the surface where the lamp board 300 is located can cover the second reflective section 520.

[0240] The first reflective section 510 may have a reflective sheet opening 511, and the second reflective section 520 may have a second opening 521. The diameter of the reflective sheet opening 511 may not be greater than the diameter of the second opening 521.

[0241] In some embodiments, a portion of the lamp panel 300 is covered by the flexible circuit board 400. Another portion of the lamp panel 300 is not covered by the flexible circuit board 400. A reflector 500 may be disposed on the side of the lamp panel 300 near the display panel 100. A portion of the reflector 500 covers the flexible circuit board 400. Another portion of the reflector 500 directly covers the lamp panel 300. Considering the difference in reflectivity between the flexible circuit board 400 and the reflector 500, the relationship between the diameter of the lamp body 340, the aperture of the first opening 400a on the flexible circuit board 400, and the aperture of the second opening 521 on the reflector 500 when the flexible circuit board 400 is present needs to be considered.

[0242] The reflective sheet 500 not covering the flexible circuit board 400 can be a first reflective segment 510. The first reflective segment 510 may have a reflective sheet opening 511. The reflective sheet 500 covering the flexible circuit board 400 can be a second reflective segment 520. The second reflective segment 520 may have a second opening 521. When the reflective sheet opening 511 is provided, the first reflective segment 510 can directly cover the side of the lamp panel 300 near the display panel 100, without considering the difference in reflectivity between the flexible circuit board 400 and the reflective sheet 500. Therefore, the aperture of the reflective sheet opening 511 only needs to be larger than the diameter of the lamp body 340, without considering its relationship with the aperture of the second opening 521. Thus, the aperture of the reflective sheet opening 511 is smaller than the aperture of the second opening 521, further reducing light loss when passing through the reflective sheet 500, ensuring more light can be effectively utilized, and improving light utilization efficiency.

[0243] As one feasible implementation, the ratio of the diameter of the first opening 400a to the diameter of the second opening 521 can be greater than 1 and less than 1.2.

[0244] When the aperture ratio of the first aperture 400a to the second aperture 521 is greater than 1.2, the ratio is too large, and light passing through the smaller second aperture 521 may be subject to more obstruction and scattering, resulting in reduced light transmission efficiency and affecting light efficiency and display effect. Conversely, when the diameter ratio of the first aperture 400a to the second aperture 521 is less than 1, part of the flexible circuit board 400 is exposed along the thickness direction of the display device, facing the display panel 100. Since the reflectivity of the flexible circuit board 400 is lower than that of the reflective sheet 500, this reduces the reflectivity of light and affects light reflection.

[0245] Therefore, in some embodiments of this application, by controlling the ratio of the aperture of the first aperture 400a and the aperture of the second aperture 521 to be greater than 1 and less than 1.2, the transmission efficiency of light when passing through the aperture is maximized, the shading and loss of light are reduced, and the light effect and display effect are improved.

[0246] Optionally, the ratio of the diameter of the first opening 400a and the second opening 521 can be 1.05, 1.1, or 1.15.

[0247] As one feasible implementation, an unstable connection exists between the lamp board 300 and the flexible circuit board 400 during the use of the display device. In some embodiments of the display device provided in this application, the display device may further include a first colloid 900. The first colloid 900 can be used to improve the connection strength between the lamp board 300 and the flexible circuit board 400. Referring to Figures 38 and 39, a portion of the first colloid 900 may cover the first end of the flexible circuit board. A portion of the first colloid 900 may fill the first opening. The first colloid 900 may encapsulate both the flexible circuit board 400 and the lamp board 300.

[0248] The display device provided in some embodiments of this application, by providing a first colloid 900 and partially covering the first end of the flexible circuit board 400 with the first colloid 900 filling the first opening, can improve the mechanical connection strength between the flexible circuit board 400 and the lamp board 300, and improve the connection stability between the lamp board 300 and the flexible circuit board 400. This design effectively reduces the risk of separation between the flexible circuit board 400 and the lamp board 300 due to prolonged use. The use of the first colloid 900 not only enhances the connection strength between the flexible circuit board 400 and the lamp board 300, but also provides external protection for the flexible circuit board 400 and the lamp board 300, preventing environmental factors (such as moisture, dust, etc.) from corroding the connection between the lamp board 300 and the flexible circuit board 400, thereby improving the reliability and service life of the entire display device.

[0249] Understandably, the first colloid 900 will not affect the light emitted by the lamp body 340.

[0250] As one feasible implementation, referring to FIG39, a lamp board pad 370 may be provided on the side of the lamp board 300 opposite to the back plate 200. The lamp board pad 370 can be used to provide electrical connection points, and the wiring on the lamp board 300 can be used to electrically connect the various lamp bodies 340 on the lamp board 300 to form a complete circuit. A circuit board pad 440 may be provided on the side of the first board segment 410 near the lamp board 300. The lamp board 300 and the flexible circuit board 400 can be electrically connected through the lamp board pad 370 and the circuit board pad 440. The circuit board pad 440 on the flexible circuit board 400 can be used to make electrical connections with the lamp board pad 370 on the lamp board 300, thereby realizing signal and power transmission between the flexible circuit board 400 and the lamp board 300.

[0251] As one feasible implementation, the lamp board pad 370 and the circuit board pad 440 can be connected by a second adhesive.

[0252] In some embodiments, the second colloid may include anisotropic conductive adhesive.

[0253] Anisotropic conductive film (ACF) is a material used for connecting electronic components. ACF consists of conductive particles uniformly distributed within an insulating colloid, providing conductivity in a specific direction (usually perpendicular) while maintaining insulation in other directions. The conductive particles are typically gold- or silver-plated microspheres that form conductive paths during hot pressing. The insulating colloid is usually a thermosetting resin that softens and sets during heating or pressurization, providing mechanical strength and insulation properties.

[0254] On the lamp board 300, multiple lamp board pads 370 and circuitry are pre-designed and manufactured. The lamp board pads 370 can be made of conductive materials (such as copper) and electroplated to ensure good conductivity and durability. The circuitry connects multiple lamp bodies 340 on the lamp board 300 to form the required circuitry. The first end of the flexible circuit board 400 also has circuit board pads 440, the positions and dimensions of which match the lamp board pads 370 on the lamp board 300. The flexible circuit board 400 is typically made of polyimide, which has good flexibility and heat resistance.

[0255] During the connection process between the flexible circuit board 400 and the lamp board 300, the ACF adhesive film is first applied to the pads 440 of the flexible circuit board 400, ensuring that the anisotropic conductive adhesive covers all areas of the circuit board pads 440 that need to be connected and is free of bubbles or impurities. Then, the first end of the flexible circuit board 400 is aligned with the lamp board 300, precisely aligning the circuit board pads 440 (covered with the ACF adhesive film) on the flexible circuit board 400 with the lamp board pads 370. Next, a hot press is used to hot press the aligned flexible circuit board 400 and lamp board 300. The hot press activates the ACF adhesive film under specific temperature and pressure, causing the conductive particles to form conductive paths in the vertical direction, while the insulating adhesive remains insulating in the horizontal direction. After hot pressing, the ACF adhesive film cures during cooling, forming a stable electrical connection and mechanical fixation.

[0256] By setting a second colloid, electrical connection between the lamp board pad 370 and the circuit board pad 440 is achieved during use, ensuring the connection strength between the lamp board 300 and the flexible circuit board 400.

[0257] In one possible implementation, the flexible circuit board 400 may include a first segment 410, a second segment 420, and a third segment 430 connected in sequence. The first segment 410 may be disposed on the side of the lamp board 300 facing the display panel 100. The second segment 420 and the end of the lamp board 300 near the through hole 200a may be connected. The third segment 430 and the side of the lamp board 300 away from the display panel 100 may be connected.

[0258] In this application, the first board segment 410 is disposed on the side of the lamp board 300 facing the display panel 100, and the first board segment 410 and the lamp board 300 are connected to ensure the stability of the electrical and mechanical connection between the first board segment 410 and the lamp board 300. At least a portion of the second board segment 420 covers the end of the lamp board 300 near the through hole 200a, and the third board segment 430 is disposed on the side of the back plate 200 facing away from the display panel 100. Thus, by designing the flexible circuit board with bending, the circuitry on both sides of the lamp board 300 can be spanned, and space can be effectively utilized.

[0259] To improve the connection stability between the lamp board 300 and the first board segment 410, the first colloid 900 connects the first board segment 410 and the lamp board 300, ensuring the reliability and mechanical strength of the electrical connection between the lamp board 300 and the first board segment 410. The first colloid 900 can also fill the gap between the first board segment 410 and the lamp board 300, further improving the connection strength between the lamp board 300 and the flexible circuit board 400, preventing loosening or breakage of the connection due to vibration or impact during use.

[0260] The first colloid 900 has a certain protective function, which can protect the circuits and pads on the first board segment 410 and the lamp board 300 from the influence of the external environment, such as moisture and dust, thereby improving the durability and reliability of the entire display device.

[0261] As one feasible implementation, referring to Figures 40 and 41, along the thickness of the display device, the orthographic projection of the first colloid 900 onto the surface where the lamp board 300 is located can cover the first board segment 410. In this way, the first colloid 900 forms a covering layer around the first board segment 410. This covering layer can provide additional mechanical support, enhance the connection stability between the first board segment 410 and the lamp board 300, and prevent loosening or breakage of the connection between the first board segment 410 and the lamp board 300 due to vibration or impact during use. The covering layer of the first colloid 900 can effectively protect the circuitry and pads on the first board segment 410 from external environmental influences such as moisture and dust, improving the durability and reliability of the entire display device.

[0262] As one possible implementation, referring to FIG41, the first colloid 900 may include a plurality of colloidal segments 930.

[0263] The first plate segment 410 may include a first plate body, a first side, a second side, a third side, and a fourth side. The first side, the second side, the third side, and the fourth side may be connected end to end in sequence.

[0264] At least four colloidal segments 930 are correspondingly covered on the first side, the second side, the third side, and the fourth side. At least a portion of the colloidal segments 930 fills the first opening.

[0265] In this application, multiple colloidal segments 930 of the first colloid 900 cover the four sides of the first plate segment 410 respectively, forming a complete covering structure. This covering structure can provide additional mechanical support, enhance the connection stability between the first plate segment 410 and the lamp plate 300, and prevent the connection from loosening or breaking due to vibration or impact during use.

[0266] The adhesive segment 930 of the first colloid 900 can effectively fix the position of the first plate segment 410, preventing displacement and misalignment during installation and use, and ensuring the accuracy and reliability of the electrical connection. At least part of the adhesive segment 930 fills the first opening, which not only enhances the bonding force between the first colloid 900 and the first plate segment 410, but also fixes the position of the lamp body 340, preventing the lamp body 340 from shifting during use and improving the stability of the display device.

[0267] As one possible implementation, the first colloid 900 may include a UV-curable adhesive or a transparent acrylic adhesive.

[0268] In some embodiments, the first colloid 900 may be a UV-curable adhesive. UV adhesive is an adhesive that cures by exposure to ultraviolet light. UV-curable adhesives cure rapidly under ultraviolet light, typically within seconds to minutes. After curing, UV-curable adhesives generally have high transparency and do not affect the propagation of light from the lamp 340. Furthermore, UV-curable adhesives have low shrinkage during curing, maintaining the dimensional stability of the bonded area and reducing stress concentration and deformation.

[0269] In other embodiments, the first colloid 900 may be a transparent acrylic adhesive. Transparent acrylic adhesives typically have high transparency after curing and will not affect the propagation of light from the lamp body 340. Transparent acrylic adhesives generally have a faster curing speed, which can improve production efficiency.

[0270] As one feasible implementation, the thickness of the first colloid 900 can be greater than 40 μm and less than 50 μm. This thickness range provides sufficient mechanical strength and adhesive force without being too thick and affecting the overall thickness and aesthetics of similar devices.

[0271] When the thickness of the first colloid 900 exceeds 50 μm, an excessively thick first colloid 900 will significantly increase the overall thickness of the backlight module. An excessively thick first colloid 900 layer increases thermal resistance, affecting the heat dissipation performance of the circuit board and lamp board 300, potentially leading to overheating and impacting the device's normal operation and lifespan. An excessively thick colloid layer may generate significant internal stress during curing, causing circuit board deformation or uneven stress on solder joints, affecting connection reliability. Conversely, when the thickness of the first colloid 900 is less than 40 μm, an excessively thin first colloid 900 may not provide sufficient adhesive force, resulting in a weak connection between the flexible circuit board 400 and the lamp board 300, affecting the reliability of the display device. An excessively thin first colloid 900 may not completely fill the gaps between the circuit board and the lamp board 300, leaving air bubbles or voids, affecting the stability and reliability of the connection.

[0272] Therefore, in some embodiments of this application, the thickness of the first colloid 900 can be set to be greater than 40 μm and less than 50 μm to improve the connection strength between the flexible circuit board 400 and the lamp board 300 and ensure the connection stability between the flexible circuit board 400 and the lamp board 300.

[0273] As one possible implementation, referring to Figures 42 and 43, along the thickness direction perpendicular to the display device, the lamp panel 300 may include an interconnected lamp panel body area 312 (not shown) and a bonding area 311 (not shown). The bonding area 311 (not shown) may be disposed relative to the lamp panel body area 312 (not shown) near the through hole 200a (not shown).

[0274] The flexible circuit board 400 may include a first end, a middle section, and a second end of the flexible circuit board connected in sequence. The first end of the flexible circuit board may be disposed in and connected to the bonding area 311. The first end of the flexible circuit board may have a first opening. The middle section of the flexible circuit board at least covers the end of the lamp board 300 near the through hole 200a; the second end of the flexible circuit board may be disposed on the side of the lamp board 300 opposite to the display panel 100.

[0275] The first colloid 900 may include a first colloid segment 910 and a second colloid segment 920 connected to each other. A portion of the first colloid segment 910 may partially cover the first end of the flexible circuit board. The second colloid segment 920 covers a portion of the lamp board body area 312.

[0276] The display device provided in some embodiments of this application improves the connection strength of the bonding area 311 of the flexible circuit board 400 and the lamp board 300, and the connection strength of the flexible circuit board 400 and the lamp board body area 312 by setting the first colloid 900 as the first colloid segment 910 and the second colloid segment 920. This prevents the connection between the flexible circuit board 400 and the lamp board 300 from loosening or breaking due to external force, improves the connection stability between the lamp board 300 and the flexible circuit board 400, improves the service life of the display device, and improves the performance of the display device.

[0277] As one feasible implementation, referring to Figures 44 to 46, the backplate assembly has a backplate cavity with an opening at one end. The opening faces the display panel 100. The backplate assembly can be disposed on the side of the diffuser plate 600 facing away from the display panel 100. A mounting surface 270 can be disposed on the side of the backplate assembly near the opening. Along the thickness direction of the display device, the mounting surface 270 may include a first end of the mounting surface near the display panel 100 and a second end of the mounting surface facing away from the display panel 100. Along the direction perpendicular to the thickness direction of the display device, the second end of the mounting surface may be close to the backplate cavity relative to the first end of the mounting surface. Along the direction from the first end of the mounting surface to the second end of the mounting surface, the distance between the mounting surface 270 and the display panel 100 may gradually increase;

[0278] The lamp board 300 can be located within the backplate cavity. The lamp board 300 is connected to the backplate assembly. A lamp body and a driver chip can be disposed on the side of the lamp board 300 near the diffuser plate 600. The driver chip is used to control the operating state of the lamp body.

[0279] The support portion can be disposed on the driver chip, the first end of the support portion can cover the driver chip, and the second end of the support portion can contact the diffuser plate 600.

[0280] The distance between the diffuser plate 600 and the lamp body of the lamp plate 300 can be considered as the optical distance. Optical distance (OD) refers to the distance from the light source emitted by the lamp body to the diffuser plate 600. The magnitude of the OD value has a significant impact on the optical performance of the display device. The OD value affects the uniformity of light on the diffuser plate 600. In related technologies, the OD value is evolving towards becoming smaller and smaller.

[0281] In some embodiments, the material of the diffuser plate 600 may include, but is not limited to, polycarbonate (PC), polystyrene (PS), and methyl methacrylate-styrene copolymer (MS). The larger the display device size, the larger the diffuser plate 600. Furthermore, during operation, some of the electrical energy of the driver chip on the lamp board 300 is converted into heat. This heat causes the diffuser plate 600 to deform towards the display panel 100. The larger the diffuser plate 600, the greater its deformation along the thickness direction of the display device, which will affect the OD value of the display device.

[0282] In some embodiments of this application, along the thickness direction of the display device, the mounting surface 270 may include a first end of the mounting surface near the display panel 100 and a second end of the mounting surface away from the display panel 100. The distance between the mounting surface 270 and the display panel 100 may gradually increase along the direction from the first end to the second end of the mounting surface. Thus, the diffuser plate 600 undergoes pre-deformation during installation. The diffuser plate 600 bulges outward toward the backplate cavity. This pre-deformation alters the mechanical equilibrium state of the diffuser plate 600, making it easier to achieve equilibrium during operation. By providing the mounting surface 270, the diffuser plate 600 undergoes pre-deformation during installation, ensuring that the diffuser plate 600 is in a near-operating equilibrium position after installation. During use of the display device, this reduces additional deformation and stress on the diffuser plate 600 caused by external forces, such as deformation under the thermal stress of the driver chip.

[0283] The display device provided in some embodiments of this application avoids the problem of the diffuser plate 600 deforming towards the display panel 100 under the action of external force, improves the stability of the optical distance in the display device, and thus improves the display effect of the display device.

[0284] In one possible implementation, the back panel assembly may include a back panel 200. The back panel 200 may include a back panel base plate 240 and a back panel side plate 250. The back panel base plate 240 and the back panel side plate 250 surround a back panel cavity. A diffuser plate 600 and a display panel 100 may be disposed at the opening of the back panel cavity. A mounting surface 270 may be formed on the end of the back panel side plate 250 near the display side.

[0285] The back panel base plate 240 is the main part of the back panel assembly. The back panel base plate 240 provides the basic support for the back panel assembly. The back panel side plates 250 are perpendicular to the back panel base plate 240 and surround the back panel base plate 240. The back panel side plates 250 and the back panel base plate 240 together form the boundary of the back panel cavity. The back panel cavity can be used to accommodate the lamp panel 300 and the reflector 500.

[0286] By providing a mounting surface 270 on the side of the back panel 250 near the opening, and mounting the end of the diffuser plate 600 onto the mounting surface 270, the diffuser plate 600 is pre-bent during installation. Since the diffuser plate 600 bulges outwards towards the back panel cavity during installation, this design avoids the problem of the diffuser plate 600 deforming towards the display panel 100 during use, improving the stability of the optical distance in the display device, and thus improving the display effect of the display device.

[0287] In one possible implementation, the back panel side panel 250 may include a top side panel 251, a right side panel 254, a ground side panel 252, and a left side panel 253 connected in sequence. The left side panel 253 is connected to the top side panel 251.

[0288] Along the first direction, the left side panel 253 and the right side panel 254 can be arranged opposite each other. Along the second direction, the top side panel 251 and the bottom side panel 252 can be arranged opposite each other. The thickness direction and the third direction of the display device can be parallel, and the first direction, the second direction, and the third direction can be perpendicular to each other.

[0289] The top side plate 251 and the bottom side plate 252 have first mounting surfaces formed at their ends near the diffuser plate 600. Along the thickness direction of the display device, the first mounting surface may include a first mounting end near the display panel 100 and a second mounting end away from the display panel 100. The second mounting end may be close to the back panel cavity relative to the first mounting end; the distance between the first mounting surface and the display panel may gradually increase along the direction from the first mounting end to the second mounting end.

[0290] The left side panel 253 and the right side panel 254 may have second mounting surfaces formed near their ends to the diffuser plate 600. Along the thickness direction of the display device, the second mounting surface may include a third mounting end near the display panel 100 and a fourth mounting end away from the display panel 100. The fourth mounting end is closer to the back panel cavity than the third mounting end. The distance between the second mounting surface and the display panel gradually increases along the direction from the third mounting end to the fourth mounting end.

[0291] The first mounting surface and the second mounting surface can form a mounting surface 270.

[0292] Referring to Figures 44 and 45, the left side panel 253 and the right side panel 254 are arranged opposite each other along a first direction. The first direction is shown as X in Figure 44. Along a second direction, the top side panel 251 and the ground side panel 252 are arranged opposite each other. The second direction is shown as Y in Figure 45. By forming a first mounting surface at the ends of the top side panel 251 and the ground side panel near the diffuser plate 600, and forming a second mounting surface at the ends of the left side panel 253 and the right side panel 254 near the diffuser plate 600, each end of the diffuser plate 600 is connected to the back panel side panel 250. In this way, each end of the diffuser plate 600 is pre-bent under the guidance of the mounting surface 270, increasing the contact area between the diffuser plate 600 and the back panel side panel 250, thereby improving the structural stability of the diffuser plate 600, preventing deformation of the diffuser plate 600 during use, improving the stability of the optical distance in the display device, and improving the display effect of the display device.

[0293] As one possible implementation, the back panel assembly may also include a barrier side panel. A first end of the barrier side panel is connectable to the back panel side panel 250. A second end of the barrier side panel extends towards the display panel 100. By providing the barrier side panel, light leakage from the edge of the diffuser 600 is prevented, ensuring that light is concentrated in the display area and improving the contrast and clarity of the display effect. Furthermore, the connection between the barrier side panel and the back panel side panel 250 increases the structural stability of the entire back panel assembly.

[0294] As one feasible implementation, there can be multiple lamp bodies, which can be arranged in an array on the lamp panel 300; a driver chip can be provided between adjacent lamp bodies.

[0295] In this way, multiple lamps are arranged in an array on the lamp panel 300 to ensure uniform distribution of light sources, reduce the occurrence of light spots and dark areas, and thus improve the light uniformity of the diffuser plate 600.

[0296] As one feasible implementation, the support may include an adhesive layer, the two ends of which can be connected to the driver chip and the diffuser plate 600, respectively; the end of the adhesive layer near the diffuser plate 600 may not exceed the end of the mounting surface near the lamp board 300. This design ensures that the adhesive layer does not interfere with the installation of the diffuser plate 600 and the light propagation path, optimizes the installation space, and improves installation efficiency.

[0297] As one feasible implementation, the diffuser plate 600 can be connected to the mounting surface via adhesive. The adhesive provides strong bonding force, ensuring the diffuser plate 600 is securely fixed to the mounting surface, preventing loosening or detachment. The highly transparent adhesive ensures that light passes through the adhesive layer without interference, maintaining light purity and uniformity, and improving display performance. Using adhesive simplifies the installation process, reduces the use of mechanical fasteners, and improves installation efficiency.

[0298] As one feasible implementation, the back panel base plate 240, back panel side plates 250, and enclosure side plates can be integrally molded components. By making the back panel base plate 240, back panel side plates 250, and enclosure side plates into integrally molded components, the overall structure of the back panel assembly is more robust due to the absence of splicing or welding points, reducing quality differences caused by splicing or welding, and improving the structural strength and stability of the back panel assembly. Simultaneously, the integrally molded back panel assembly can effectively reduce light leakage from the gaps in the back panel 200, improving the contrast and clarity of the display effect.

[0299] As one possible implementation, referring to Figures 46 and 47, the backplate assembly may further include a middle frame 260. The middle frame 260 may be disposed on the side of the backplate 200 near the diffuser plate 600. The middle frame 260 and the backplate 200 are connected. A mounting surface 270 may be provided on the side of the middle frame 260 near the opening.

[0300] The backplate 200 is the main support structure of the entire backplate assembly. The backplate 200 can be made of metal or high-strength plastic. The backplate 200 provides mechanical strength and structural stability. The middle frame 260 is located on the side of the backplate 200 closest to the diffuser plate 600. This design allows the middle frame 260 to directly support and secure the diffuser plate 600. The combination of the backplate 200 and the middle frame 260 provides greater structural stability. The backplate 200 provides overall mechanical strength, while the middle frame 260 provides precise support for the diffuser plate 600.

[0301] As one feasible implementation, the angle between the direction from the first end to the second end of the mounting surface and the plane where the display panel 100 is located can be greater than 5° and less than 30°.

[0302] When the angle between the direction from the first end to the second end of the mounting surface and the plane where the display panel 100 is located is less than 5°, the pre-bending degree of the diffuser plate 600 is limited. During use, the diffuser plate 600 will still bend towards the display panel 100, affecting the optical distance (OD) value of the display device. Furthermore, the bending of the diffuser plate 600 towards the display panel 100 may cause friction between the diffuser plate 600 and the display panel 100, potentially damaging the display panel 100. Additionally, a small tilt angle of the mounting surface 270 increases the manufacturing difficulty of the mounting surface 270. Conversely, when the angle between the direction from the first end to the second end of the mounting surface and the plane where the display panel 100 is located is greater than 30°, meaning the tilt angle of the mounting surface 270 is large and the mounting surface 270 is steep, stress concentration can easily occur in the diffuser plate 600, leading to deformation or cracking, which is detrimental to the structural stability of the diffuser plate 600. Meanwhile, the large angle of the installation slope causes uneven stress distribution in the adhesive during the curing process, which can easily lead to cracking or detachment of the adhesive, affecting the bonding strength and stability of the diffuser plate 600 and the backplate assembly.

[0303] Therefore, in some embodiments of this application, the included angle range formed by the plane where the display panel 100 is located from the first end of the mounting surface to the second end of the mounting surface is set to be greater than 5° and equal to 30°. This included angle range can form an appropriate support angle between the diffuser plate 600 and the mounting surface 270, avoiding deformation of the diffuser plate 600 during use and ensuring the structural stability and durability of the diffuser plate 600. At the same time, there is sufficient contact area between the diffuser plate 600 and the mounting surface 270, and the adhesive can provide sufficient bonding force to ensure that the diffuser plate 600 is firmly fixed.

[0304] As one feasible implementation, the orthographic projection of the mounting surface 270 onto the surface where the display panel 100 is located, along the thickness direction of the display device, can have an extension length greater than 3 mm and less than 5 mm along the direction perpendicular to the thickness of the display device.

[0305] When the orthographic projection of the mounting surface 270 onto the surface of the display panel 100 along the thickness direction of the display device extends for less than 3mm along the direction perpendicular to the thickness of the display device, the contact area between the diffuser plate 600 and the backplate assembly is limited. The backplate assembly cannot provide sufficient support for the diffuser plate 600, making it prone to deformation or damage under external force, thus affecting the overall structural stability. Furthermore, the small extension length of the mounting surface 270 along the thickness direction perpendicular to the display device may result in insufficient contact area between the diffuser plate 600 and the adhesive, potentially causing the diffuser plate 600 to loosen or detach. Moreover, the small extension length of the mounting surface 270 may increase the difficulty of aligning and securing the diffuser plate 600 during installation, reducing installation efficiency. Conversely, when the orthographic projection of the mounting surface 270 onto the surface of the display panel 100 along the thickness direction of the display device extends for more than 5mm along the thickness direction perpendicular to the thickness of the display device, the mounting surface 270 will obstruct the light emitted by the lamp body, increasing light loss, reducing light utilization efficiency, and affecting the display effect.

[0306] Therefore, in some embodiments of this application, the orthographic projection of the mounting surface 270 onto the surface where the display panel 100 is located, along the thickness direction of the display device, extends for a length less than 3 mm and greater than 5 mm in the direction perpendicular to the thickness of the display device. This ensures sufficient contact area between the diffuser plate 600 and the mounting surface 270 of the back panel assembly, guaranteeing the stable fixation of the diffuser plate 600. Simultaneously, it avoids the back panel assembly affecting light propagation, preventing light spots and dark areas, and improving the uniformity of the display effect.

[0307] Based on the above embodiments and examples, some embodiments of this application provide a display device, which may include: a display panel 100, a back plate 200, a lamp board 300, a flexible circuit board 400, and a reflector 500, wherein the display panel 100 has a display side; the back plate 200 may be disposed on the side of the display panel 100 opposite to the display side; the lamp board 300 may be disposed between the back plate 200 and the display panel 100, and the lamp board 300 and the back plate 200 are connected. The lamp panel 300 may have: a first lamp panel surface 310 facing the display panel 100, on which a lamp body 340 is disposed; a second lamp panel surface 320 having an inclined section 321; and a third lamp panel surface 330 connected to the back panel 200. Along the thickness direction of the lamp panel 300, the first lamp panel surface 310 and the third lamp panel surface 330 may be arranged opposite to each other, and the second lamp panel surface 320 may be connected to the lamp body 340. The first surface 310 of the light board and the third surface 330 of the light board; the inclined section 321 of the light board may include: a first end of the light board, which may be close to the first surface 310 of the light board along the thickness direction of the light board 300; a second end of the light board, which may be close to the third surface 330 of the light board along the thickness direction of the light board 300; and a second end of the light board that may be away from the first end of the light board relative to the lamp body 340 along a direction perpendicular to the thickness direction of the light board 300; the flexible circuit board 400 may be connected to the light body 340. The lamp board 300 is connected, and the flexible circuit board 400 may include: a first end of the flexible circuit board, which can be connected to the first surface 310 of the lamp board; a second end of the flexible circuit board, which can be connected to the third surface 330 of the lamp board; a middle section of the flexible circuit board, which can at least cover the inclined section 321 of the lamp board; the middle section of the flexible circuit board can connect the first end of the flexible circuit board and the second end of the flexible circuit board; and a reflector 500, which can be disposed on the side of the lamp board 300 and the flexible circuit board 400 facing the display panel 100.

[0308] The above solution has the following advantages or beneficial effects: By setting an inclined section on the lamp panel, the inclined section provides a smooth transition path for the bending of the flexible circuit board. The first end of the flexible circuit board is connected to the first surface of the lamp panel, the second end of the flexible circuit board is connected to the third surface of the lamp panel, and the middle section of the flexible circuit board at least covers the inclined section of the lamp panel. This increases the bending angle at the connection between the first surface of the lamp panel and the inclined section, thereby reducing the bending angle of the flexible circuit board. This avoids sharp bending of the flexible circuit board during the connection process, reduces the mechanical stress generated by the bending of the flexible circuit board, and avoids the problem of bulging at the connection between the flexible circuit board and the lamp panel. This also avoids the problem of bulging affecting the uniformity of light propagation of the lamp body.

[0309] In some embodiments of this application, the distance between the inclined segment 321 of the lamp panel and the display panel 100 can gradually increase along the direction from the first end of the lamp panel to the second end of the lamp panel.

[0310] The above solution has the following advantages or beneficial effects: by setting the distance between the inclined section of the lamp board and the display panel to gradually increase, the bending angle of the flexible circuit board is reduced, the stress generated by the bending of the flexible circuit board is reduced, and thus the problem of bulging affecting the uniformity of light propagation of the lamp body is avoided.

[0311] In some embodiments of this application, the inclined segment 321 of the lamp panel may be disposed in the middle section of the second surface 320 of the lamp panel along a first direction, and the first direction is perpendicular to the thickness direction of the display device.

[0312] The above solution has the following advantages or beneficial effects: The second side of the lamp board includes a vertical section and an inclined section. When the inclined section is set between the two vertical sections, there is a step between the inclined section and the vertical section. The step limits the movement of the flexible circuit board, preventing it from moving and avoiding poor contact or open circuit problems caused by the movement of the flexible circuit board, thus improving the connection stability of the flexible circuit board.

[0313] In some embodiments of this application, a chamfered structure 800 may be provided at the connection between the inclined segment 321 of the lamp panel and the first surface 310 of the lamp panel; and / or, a chamfered structure 800 may be provided at the connection between the inclined segment 321 of the lamp panel and the third surface 330 of the lamp panel.

[0314] The above solution has the following advantages or beneficial effects: The chamfered structure provides a smooth transition area for the flexible circuit board that bends at the lamp panel, avoiding the sharp bending of the flexible circuit board at the connection between the inclined section of the lamp panel and the first surface of the lamp panel. In this way, the chamfered structure makes the connection between the flexible circuit board and the inclined section of the lamp panel and the first surface of the lamp panel, as well as the connection between the flexible circuit board and the third surface of the lamp panel, smoother, avoiding the problem of bulging at the connection, thereby maintaining the uniform propagation of light from the lamp body and ensuring the visual effect and performance of the display panel.

[0315] In some embodiments of this application, the surface of the inclined section 321 of the lamp panel may be uneven.

[0316] The above solution has the following advantages or beneficial effects: the surface of the inclined section of the lamp board is rough. The rough surface includes tiny protrusions and depressions. The protrusions and depressions can increase the contact area between the flexible circuit board and the inclined section of the lamp board, increase the friction between the flexible circuit board and the inclined section of the lamp board, and prevent the flexible circuit board from sliding or shifting during use, thereby further improving the connection stability between the flexible circuit board and the inclined section of the lamp board.

[0317] In some embodiments of this application, the back plate 200 may have: a back plate center line 200d along a second direction, the back plate center line 200d may be disposed in the middle section of the back plate 200; a through hole 200a may be disposed at the back plate center line 200d; the number of through holes 200a may be multiple, and multiple through holes 200a may be sequentially spaced along the first direction; wherein, the thickness direction of the display device is parallel to a third direction, and the first direction, the second direction and the third direction are perpendicular to each other.

[0318] The above solution has the following advantages or beneficial effects: by arranging multiple through holes at intervals along the first direction and placing the through holes at the center line of the back plate, stress is evenly distributed, avoiding stress concentration at a certain position, thereby improving the overall structural stability of the back plate and enhancing the symmetry and balance of the back plate.

[0319] In some embodiments of this application, the through hole 200a may include: a first through hole 200b, which is disposed on a first side along the second direction of the extension direction of the back plate centerline 200d; and a second through hole 200c, which is disposed on a second side opposite to the first side along the extension direction of the back plate centerline 200d; wherein the first through hole 200b and the second through hole 200c may not be interconnected; the number of first through holes 200b may be multiple, the number of second through holes 200c may be multiple, and multiple first through holes 200b may be correspondingly disposed with multiple second through holes 200c.

[0320] The above solution has the following advantages or beneficial effects: the first and second through holes are respectively located on both sides of the extension direction of the back panel's centerline, forming a symmetrical distribution. This design can evenly distribute stress and avoid stress concentration at a certain location, thereby improving the overall structural stability of the back panel. Simultaneously, the first and second through holes allow flexible circuit boards to pass through, improving the neatness and reliability of the back panel.

[0321] In some embodiments of this application, the lamp panel 300 may include: a first lamp panel 350, which is disposed on a first side along the second direction of the extension direction of the center line 200d of the back panel; and a second lamp panel 360, which is disposed on a second side opposite to the first side along the extension direction of the center line 200d of the back panel. The number of first lamp panels 350 and the number of second lamp panels 360 may be multiple, and multiple first lamp panels 350 and multiple first through holes 200b may be arranged in a one-to-one correspondence; multiple second lamp panels 360 and multiple second through holes 200c may be arranged in a one-to-one correspondence.

[0322] The above solution has the following advantages or beneficial effects: By setting the first lamp board and the first through hole in a one-to-one correspondence, and connecting the first lamp board to the connector via a flexible circuit board, individual control of each first lamp board is achieved. Each connector can independently transmit power and signals to its corresponding first lamp board, allowing each first lamp board to operate independently and meet different display effects. Similarly, by setting the second lamp board and the second through hole in a one-to-one correspondence, and connecting the second lamp board to the connector via a flexible circuit board, individual control of each second lamp board is achieved. Each connector can independently transmit power and signals to its corresponding second lamp board, allowing each second lamp board to operate independently and meet different display effects.

[0323] In some embodiments of this application, the inclined section of the first lamp panel 350 may be located close to the first through hole 200b; and / or, the inclined section of the second lamp panel 360 may be located close to the second through hole 200c.

[0324] The above solution has the following advantages or beneficial effects: it facilitates the connection between the second end of the flexible circuit board and the connector, simplifying the installation process of the flexible circuit board. Furthermore, it is more convenient and faster to maintain or replace the flexible circuit board when needed.

[0325] In some embodiments of this application, the orthographic projection of the inclined segment 321 of the lamp panel onto the surface of the back plate 200 along the thickness direction of the display device, and its extension length T along the second direction, can satisfy:

[0326] Where K is the distance from the outermost edge of the lamp body to the through hole.

[0327] The above solution has the following advantages or beneficial effects: it can effectively alleviate the mechanical stress of the flexible circuit board, avoid bulging, and at the same time ensure that the contact area between the lamp body and the lamp board is sufficient, which is conducive to the installation and fixation of the lamp body.

[0328] Based on the above embodiments and examples, some embodiments of this application provide a display device, which may include: a display panel 100, a back plate 200, a lamp plate 300, a flexible circuit board 400, and a reflector 500. The display panel 100 can be used to display images; the back plate 200 can be disposed on the side of the display panel away from the display side; the lamp plate 300 can be disposed between the back plate 200 and the display panel 100, and the lamp plate 300 can be connected to the back plate 200; the lamp plate 300 may have: a first lamp plate surface 310 facing the display panel 100, and a lamp body 340 disposed on the first lamp plate surface 310; the lamp body 340 can be used to provide light to the display panel 100; a second lamp plate surface 320 having a lamp plate inclined section 321; and a third lamp plate surface 330 having a lamp plate inclined section 321. Three sides 330 can be connected to the back plate 200; the second end of the lamp panel can be away from the lamp body 340 relative to the first end of the lamp panel; the distance between the inclined section 321 of the lamp panel and the display panel 100 can gradually increase along the direction from the first end of the lamp panel to the second end of the lamp panel; the inclined section 321 of the lamp panel may include: the first end of the lamp panel, which can be close to the first surface 310 of the lamp panel along the thickness direction of the lamp panel 300; the second end of the lamp panel, which can be close to the third surface 330 of the lamp panel along the thickness direction of the lamp panel 300; and the second end of the lamp panel can be away from the lamp body 340 relative to the first end of the lamp panel along the thickness direction of the lamp panel 300; the flexible circuit board 400 can be used to bend around the lamp panel 300, and the middle section of the flexible circuit board can at least cover the inclined section 321 of the lamp panel; the reflector 500 can be used to reflect the light from the lamp body 340.

[0329] The above solution has the following advantages or beneficial effects: by setting the inclined section of the lamp board, the bending angle of the flexible circuit board is reduced, the contact area between the flexible circuit board and the inclined section of the lamp board is increased, the mechanical stress of the flexible circuit board is reduced, and the problem of bulging at the connection between the flexible circuit board and the lamp board is avoided.

[0330] Based on the above embodiments and examples, some embodiments of this application provide a display device, which may include: a display panel 100, a back plate 200, a lamp plate 300, a flexible circuit board 400, and a reflector 500, wherein the display panel 100 has a display side; the back plate 200 may be disposed on the side of the display panel 100 away from the display side, and the back plate 200 may have: a through hole 200a that extends along the thickness direction of the display device; a first surface 210 of the back plate, the first surface of the back plate... The first surface 210 of the back plate may face the display panel 100; a lamp plate 300 may be provided on the first surface 210 of the back plate; the second surface 220 of the back plate may have a back plate inclined section 221; the back plate inclined section 221 may be provided at the through hole 200a; the third surface 230 of the back plate, along the thickness direction of the display device, the first surface 210 of the back plate and the third surface 230 of the back plate may be arranged opposite to each other; wherein, the second surface 220 of the back plate may connect the first surface 210 of the back plate and the third surface 230 of the back plate; the back The inclined section 221 may include: a first end of a back plate, which is located near the first surface 210 of the back plate along the thickness direction of the display device; a second end of a back plate, which is located near the third surface 230 of the back plate along the thickness direction of the display device; the second end of the back plate is located near the center of the lamp plate 300 relative to the first end of the back plate along a direction perpendicular to the thickness direction of the back plate 200; the lamp plate 300 may have a lamp body 340 disposed on the side near the display panel 100; the flexible circuit board 400 may include: a first end of a flexible circuit board, which may be connected to the lamp plate 300; a second end of a flexible circuit board, which may be connected to the inclined section 221 of the back plate; a middle section of a flexible circuit board, which may at least cover the end of the lamp plate 300 near the through hole 200a; the middle section of the flexible circuit board may connect the first end of the flexible circuit board and the second end of the flexible circuit board; and a reflective sheet 500 may be disposed on the side of the lamp plate 300 and the flexible circuit board 400 facing the display panel 100.

[0331] The above solution has the following advantages or beneficial effects: By setting an inclined section on the back plate, when the flexible circuit board is bent, the first end of the flexible circuit board connects to the lamp board, the second end of the flexible circuit board connects to the inclined section of the back plate, and the middle section of the flexible circuit board at least covers the end of the lamp board near the through hole. The inclined section of the back plate provides a smooth transition path for the bending of the flexible circuit board, reduces the bending angle of the flexible circuit board, avoids sharp bending of the flexible circuit board during the connection process, and reduces the mechanical stress generated by the bending of the flexible circuit board. At the same time, the setting of the inclined section of the back plate increases the connection area between the flexible circuit board and the back plate, avoids bulging problems at the connection between the flexible circuit board and the back plate, and at the connection between the flexible circuit board and the lamp board, and thus avoids the problem of bulging affecting the uniformity of light propagation of the lamp body.

[0332] In some embodiments of this application, the distance between the inclined segment 221 of the back plate and the display panel 100 can gradually increase along the direction from the first end of the back plate to the second end of the back plate.

[0333] The above solution has the following advantages or beneficial effects: by setting the distance between the inclined section of the back panel and the display panel to gradually increase, the bending angle of the flexible circuit board is reduced, the stress generated by the bending of the flexible circuit board is reduced, and thus the problem of bulging affecting the uniformity of light propagation of the lamp body is avoided.

[0334] In some embodiments of this application, the inclined section 221 of the back plate may be disposed in the middle section of the second surface 220 of the back plate along the first direction; the first direction is perpendicular to the thickness direction of the display device; the surface of the inclined section 221 of the back plate facing the through hole 200a may form part of the inner wall of the through hole.

[0335] The above solution has the following advantages or beneficial effects: The second side of the backplate includes a vertical section and an inclined section. Along the first direction, the two vertical sections of the backplate are located at opposite ends of the inclined section. By placing the inclined section in the middle of the second side of the backplate, a step is provided between the inclined section and the vertical section. This step limits the movement of the flexible circuit board, preventing it from moving and thus avoiding poor contact or open circuit problems caused by movement, thereby improving the connection stability of the flexible circuit board.

[0336] In some embodiments of this application, the back panel inclined segment 221 may include: a first inclined segment 222, which may be connected to the first surface 210 of the back panel; a second inclined segment 223, which may be connected to the first inclined segment 222; and a third inclined segment 224, which may be connected to the third surface 230 of the back panel; wherein, the second inclined segment 223 may connect the first inclined segment 222 and the third inclined segment 224; the extending directions of the first inclined segment 222 and the third inclined segment 224 may be parallel, and the extending direction of the second inclined segment 223 may be parallel to that of the first inclined segment 222. The extension directions of the third inclined segment 224 intersect; the first inclined segment 222 may include: a first inclined end, which is located near the first surface 210 of the back panel along the thickness direction of the display device; a second inclined end, which is located near the third surface 230 of the back panel along the thickness direction of the display device; the second inclined end is located near the center of the lamp panel 300 relative to the first inclined end along the thickness direction perpendicular to the display device; the distance between the first inclined segment 222 and the display panel 100 may gradually increase from the first inclined end to the second inclined end.

[0337] The above solution has the following advantages or beneficial effects: by setting the first inclined section, the second inclined section and the third inclined section connected in sequence, more installation and fixing points are provided for the installation of the flexible circuit board, which effectively increases the contact area between the flexible circuit board and the inclined section of the back plate, facilitates the installation of the flexible circuit board, and improves the stability and reliability of the installation of the flexible circuit board.

[0338] In some embodiments of this application, the surface of the inclined section 221 of the back plate may be uneven.

[0339] The above solution has the following advantages or beneficial effects: the surface of the inclined section of the backplate is rough. The rough surface includes tiny protrusions and depressions. The protrusions and depressions can increase the contact area between the flexible circuit board and the inclined section of the backplate, increase the friction between the flexible circuit board and the inclined section of the backplate, prevent the flexible circuit board from sliding or shifting during use, thereby further improving the connection stability between the flexible circuit board and the inclined section of the backplate, changing the stress of the flexible circuit board, and avoiding bulging problems between the flexible circuit board and the backplate, and between the flexible circuit board and the lamp board.

[0340] In some embodiments of this application, the back plate 300 may have: a back plate center line 200d along a second direction, the back plate center line 200d may be disposed in the middle section of the back plate 200; a through hole 200a may be disposed at the back plate center line 200d; the number of through holes 200a may be multiple, and the multiple through holes 200a may be sequentially spaced along a first direction; the thickness direction and a third direction of the display device may be parallel, and the first direction, the second direction, and the third direction are mutually perpendicular.

[0341] The above solution has the following advantages or beneficial effects: by arranging multiple through holes at intervals along the first direction and placing the through holes at the center line of the back plate, stress is evenly distributed, avoiding stress concentration at a certain position, thereby improving the overall structural stability of the back plate and enhancing the symmetry and balance of the back plate.

[0342] In some embodiments of this application, the lamp panel 300 may include: a first lamp panel 350, which is disposed on a first side along the second direction of the extension direction of the center line 200d of the back panel, and the number of the first lamp panels 350 may be multiple; a second lamp panel 360, which is disposed on a second side opposite to the first side along the extension direction of the center line 200d of the back panel, and the number of the second lamp panels 360 may be multiple; wherein, multiple first lamp panels 350, multiple 200a through holes, and multiple second lamp panels 360 may be correspondingly disposed.

[0343] The above solution has the following advantages or beneficial effects: By setting the first lamp board and through-holes in a one-to-one correspondence and connecting the first lamp board to the connector via a flexible circuit board, individual control of each first lamp board is achieved. Each connector can independently transmit power and signals to its corresponding first lamp board, allowing each first lamp board to operate independently and meet different display effects. Similarly, by setting the second lamp board and through-holes in a one-to-one correspondence and connecting the second lamp board to the connector via a flexible circuit board, individual control of each second lamp board is achieved. Each connector can independently transmit power and signals to its corresponding second lamp board, allowing each second lamp board to operate independently and meet different display effects.

[0344] In some embodiments of this application, the lamp panel 300 may have: a first lamp panel surface 310 facing the display panel 100, on which a lamp body 340 may be disposed; a second lamp panel surface 320 having a lamp panel inclined section 321; and a third lamp panel surface 330 connected to the first back panel surface 210; along the thickness direction of the display device, the first lamp panel surface 310 and the third lamp panel surface 330 may be disposed opposite to each other, and the second lamp panel surface 320 may connect the first lamp panel surface 310 and the third lamp panel surface 330.

[0345] The above solution has the following advantages or beneficial effects: by setting the inclined section of the lamp board, the bending angle of the flexible circuit board is reduced, the contact area between the flexible circuit board and the inclined section of the lamp board is increased, the mechanical stress of the flexible circuit board is reduced, and the problem of bulging at the connection between the flexible circuit board and the lamp board is avoided.

[0346] In some embodiments of this application, the inclined segment 321 of the lamp panel can be connected to the inclined segment 221 of the back panel. The inclined segment 321 of the lamp panel can include: a first end of the lamp panel, which is close to the first surface 310 of the lamp panel along the thickness direction of the display device; a second end of the lamp panel, which is close to the third surface 330 of the lamp panel along the thickness direction of the display device; the second end of the lamp panel is opposite to the lamp body 340 relative to the first end of the lamp panel; the distance between the inclined segment 321 of the lamp panel and the display panel 100 can gradually increase from the first end of the lamp panel to the second end of the lamp panel.

[0347] The above solution has the following advantages or beneficial effects: by setting the lamp board tilting section and setting the lamp board tilting section as the first end and the second end of the lamp board, the mechanical stress of the flexible circuit board is reduced, and the problem of bulging at the connection between the flexible circuit board and the lamp board is avoided.

[0348] In some embodiments of this application, a chamfered structure 800 may be provided at the connection between the inclined section 221 of the back panel and the inclined section 321 of the lamp panel.

[0349] The above solution has the following advantages or beneficial effects: the chamfered structure provides a smooth transition area for the flexible circuit board at the connection between the lamp panel and the back panel, reducing the sharp bending of the flexible circuit board at the connection between the inclined sections of the lamp panel and the inclined section of the back panel; it avoids the problem of bulging at the connection, thereby maintaining the uniform propagation of the lamp body light and ensuring the visual effect and performance of the display panel.

[0350] Based on the above embodiments and examples, some embodiments of this application provide a display device, which may include: a display panel 100, a back plate 200, a lamp plate 300, a flexible circuit board 400, and a reflective sheet 500, wherein the display panel 100 can be used to display images; the back plate 200 may be disposed on the side of the display panel 100 away from the display side of the display panel 100, and the back plate 200 may have: a through hole 200a extending along the thickness direction of the display device; the back plate The first surface 210 of the back plate may face the display panel 100; the lamp plate 300 may be disposed on the first surface 210 of the back plate; the second surface 220 of the back plate may have a back plate inclined section 221; the back plate inclined section 221 may be disposed at the through hole 200a; the third surface 230 of the back plate, along the thickness direction of the display device, the first surface 210 and the third surface 230 of the back plate may be disposed opposite to each other; wherein, the second surface 220 of the back plate may be connected to the back plate. The first surface 210 and the third surface 230 of the back plate; the inclined section 221 of the back plate may include: a first end of the back plate, which is located near the first surface 210 along the thickness direction of the display device; a second end of the back plate, which is located near the third surface 230 along the thickness direction of the display device; the second end of the back plate is located near the center of the lamp plate 300 relative to the first end of the back plate along a direction perpendicular to the thickness direction of the back plate 200; the lamp plate 300 may have a lamp body 340 on the side near the display panel 100; the lamp body 340 can be used to provide light to the display panel 100; the flexible circuit board 400 can be bent around the lamp plate 300 and the back plate 200, at least a portion of the flexible circuit board 400 can at least cover the end of the lamp plate 300 near the through hole 200a; at least a portion of the flexible circuit board 400 can cover the inclined section 221 of the back plate; the reflective sheet 500 can be used to reflect light.

[0351] The above solution has the following advantages or beneficial effects: By setting an inclined section on the back plate, when the flexible circuit board is bent, the first end of the flexible circuit board connects to the lamp board, the second end of the flexible circuit board connects to the inclined section of the back plate, and the middle section of the flexible circuit board at least covers the end of the lamp board near the through hole. The inclined section of the back plate provides a smooth transition path for the bending of the flexible circuit board, reduces the bending angle of the flexible circuit board, avoids sharp bending of the flexible circuit board during the connection process, and reduces the mechanical stress generated by the bending of the flexible circuit board. At the same time, the setting of the inclined section of the back plate increases the connection area between the flexible circuit board and the back plate, avoids bulging problems at the connection between the flexible circuit board and the back plate, and at the connection between the flexible circuit board and the lamp board, and thus avoids the problem of bulging affecting the uniformity of light propagation of the lamp body.

[0352] Based on the above embodiments and examples, some embodiments of this application provide a display device, which may include: a display panel 100, a back plate 200, a lamp plate 300, a flexible circuit board 400, and a reflector 500, wherein the display panel 100 has a display side; the back plate 200 may be disposed on the side of the display panel 100 away from the display side, and the back plate 200 may be provided with a through hole 200a; the lamp plate 300 may be disposed between the back plate 200 and the display panel 100, and the lamp plate 300 may be connected to the back plate 200; a lamp body 340 may be disposed on the lamp plate 300; the flexible circuit board 400 may include: a first end of the flexible circuit board, which may be disposed on the side of the lamp plate 300 close to the display panel 100 and connected to the lamp plate 300; the first end of the flexible circuit board may have: a first opening 400a. The second end of the flexible circuit board can be disposed on the side of the lamp board 300 away from the display panel 100; the middle section of the flexible circuit board can at least cover the end of the lamp board 300 near the through hole 200a; the middle section of the flexible circuit board can connect the first end and the second end of the flexible circuit board; the reflective sheet 500 can be disposed on the side of the flexible circuit board 400 facing the display panel 100, and the reflective sheet 500 can have: a second opening 521, the second opening 521 can communicate with the first opening 400a, wherein a portion of the lamp body 340 can pass through the first opening 400a and the second opening 521 to connect with the lamp board 300; along the thickness direction of the display device, the orthographic projection of the edge of the first opening 400a on the surface where the reflective sheet 500 is located can surround the outer periphery of the second opening 521.

[0353] The above solution has the following advantages or beneficial effects: the diameter of the second opening on the reflective sheet is not larger than the diameter of the first opening on the flexible circuit board. The reflective sheet covers the edge of the hole with the first opening on the flexible circuit board, preventing light from being reflected by the flexible circuit board. The light emitted by the lamp board is smoothly reflected by the reflective sheet to maximize the reflection and utilization of light, improve the uniformity of light propagation, and improve the brightness uniformity of the display device.

[0354] In some embodiments of this application, the diameter of the first opening 400a may not be less than the diameter of the second opening 521; and / or, the diameter of the second opening 521 may not be less than the diameter of the lamp body 340.

[0355] The above solution has the following advantages or beneficial effects: By setting the diameter of the first opening to be no smaller than the diameter of the second opening, and setting the diameter of the second opening to be no smaller than the diameter of the lamp body, the light will not be blocked or obstructed by the flexible circuit board and the sidewalls of the second opening, thereby improving the light efficiency and display effect and ensuring smooth light transmission. By setting the diameter of the second opening of the reflector to be no larger than the diameter of the first opening of the flexible circuit board, the light emitted by the lamp body is prevented from being reflected by the flexible circuit board, minimizing light loss during transmission and ensuring that the light can effectively illuminate the display panel, thus improving light utilization.

[0356] In some embodiments of this application, the center of the first opening 400a, the center of the second opening 521, and the center of the lamp body 340 may coincide.

[0357] The above solution has the following advantages or beneficial effects: it ensures that the light emitted by the lamp body can pass smoothly through the second opening and the first opening along the shortest path, reducing light scattering and loss, and improving light efficiency and display effect.

[0358] In some embodiments of this application, the radial dimension of the second opening 521 near the end of the lamp panel 300 may not be greater than the radial dimension of the second opening 521 away from the end of the lamp panel 300.

[0359] The above solution has the following advantages or beneficial effects: the second opening forms a gradually expanding channel, which helps to guide and concentrate the light emitted by the lamp body, so that the light can pass through the second opening more effectively, reduce light scattering and loss, and improve light efficiency and display effect.

[0360] In some embodiments of this application, the radial dimension of the second opening 521 near the end of the lamp panel 300 may be equal to the radial dimension of the second opening 521 away from the end of the lamp panel 300.

[0361] The above solution has the following advantages or beneficial effects: the design of the equal-diameter second opening on the reflector simplifies the design and manufacturing process, reduces complexity and manufacturing costs, and improves production efficiency and product consistency.

[0362] In some embodiments of this application, the radial dimension of the first opening 400a near the end of the lamp plate 300 may be equal to the radial dimension of the first opening 400a away from the end of the lamp plate 300.

[0363] The above solution has the following advantages or beneficial effects: the flexible circuit board does not cause loss in light transmission, ensuring that light can effectively illuminate the display panel and improving light utilization. At the same time, the equal-diameter first aperture design simplifies the design and manufacturing process, reduces complexity and manufacturing costs, and improves production efficiency and product consistency.

[0364] In some embodiments of this application, the reflective sheet 500 may include: a first reflective segment 510, which may be provided with a reflective sheet opening 511; a second reflective segment 520, which may be connected to the first reflective segment 510, and the second reflective segment 520 may be provided with a second opening 521; along the thickness direction of the display device, the orthographic projection of the flexible circuit board 400 on the surface where the lamp board 300 is located may cover the second reflective segment 520; wherein, the aperture of the reflective sheet opening 511 may not be larger than the aperture of the second opening 521.

[0365] The above solution has the following advantages or beneficial effects: Considering the different reflectivities of the flexible circuit board and the reflector, it is necessary to consider the relationship between the diameter of the lamp body, the aperture of the first opening on the flexible circuit board, and the aperture of the second opening on the reflector when the flexible circuit board is installed. The aperture of the first opening on the reflector is smaller than the aperture of the second opening to further reduce light loss when passing through the reflector, ensuring that more light can be effectively utilized and improving light utilization efficiency.

[0366] In some embodiments of this application, the ratio of the diameter of the first opening 400a to the diameter of the second opening 521 may be greater than 1 and less than 1.2.

[0367] The above solution has the following advantages or beneficial effects: by controlling the ratio of the diameter of the first opening and the second opening to be greater than 1 and less than 1.2, the transmission efficiency of light when passing through the opening is maximized, light shading and loss are reduced, and light efficiency and display effect are improved.

[0368] In some embodiments of this application, the back plate 200 may have: a back plate centerline 200d, along a direction perpendicular to the thickness of the display device, the back plate centerline 200d may be disposed in the middle section of the back plate 200; a through hole 200a, the through hole 200a may include: a first through hole 200b, along a direction perpendicular to the thickness of the display device, the first through hole 200b may be disposed on a first side extending in the direction of the back plate centerline 200d, and the number of the first through holes 200b may be multiple; a second through hole 200c, which may not be interconnected with the first through hole 200b; along a direction perpendicular to the thickness of the display device, the second through hole 200c may be disposed on a second side opposite to the first side extending in the direction of the back plate centerline 200d; the number of the second through holes 200c may be multiple; The plurality of first through holes 200b can be correspondingly arranged with a plurality of second through holes 200c; the lamp board 300 may include: a first lamp board 350, along a direction perpendicular to the thickness of the display device, a plurality of first lamp boards 350 may be arranged on a first side extending in the direction of the center line 200d of the back panel, and the number of first lamp boards 350 may be plurality; a second lamp board 360, along a direction perpendicular to the thickness of the display device, a plurality of second lamp boards 360 may be arranged on a second side opposite to the first side extending in the direction of the center line 200d of the back panel; the number of second lamp boards 360 may be plurality; wherein, the plurality of first lamp boards 350 and the plurality of first through holes 200b can be correspondingly arranged with a plurality of first through holes 200b; the plurality of second lamp boards 360 and the plurality of second through holes 200c can be correspondingly arranged with a plurality of second through holes 200c.

[0369] The above solution has the following advantages or beneficial effects: By arranging multiple through holes at intervals along a first direction and placing them at the center line of the back panel, stress is evenly distributed, avoiding stress concentration at a certain location, thereby improving the overall structural stability of the back panel and enhancing its symmetry and balance. The first and second through holes are respectively arranged on both sides of the extension direction of the back panel's center line, forming a symmetrical distribution. This design can evenly distribute stress, avoiding stress concentration at a certain location, thereby improving the overall structural stability of the back panel. Simultaneously, the first and second through holes allow the flexible circuit board to pass through, improving the neatness and reliability of the back panel. By setting the first lamp board and through holes in a one-to-one correspondence and connecting the first lamp board to the connector via a flexible circuit board, individual control of each first lamp board is achieved. Each connector can independently transmit power and signals to the corresponding first lamp board, allowing each first lamp board to operate independently and meet different display effects. By setting up a one-to-one correspondence between the second lamp board and the through hole, and connecting the second lamp board to the connector via a flexible circuit board, individual control of each second lamp board is achieved. Each connector can independently transmit power and signals to the corresponding second lamp board, enabling each second lamp board to work independently and meet different display effects.

[0370] Based on the above embodiments and examples, some embodiments of this application provide a display device, which may include: a display panel 100, a back plate 200, a lamp plate 300, a flexible circuit board 400, and a reflector 500. The display panel 100 can be used to display images; the back plate 200 may be disposed on the side of the display panel 100 away from the display side, and the back plate 200 may have a through hole 200a; the lamp plate 300 may be disposed between the back plate 200 and the display panel 100, and the lamp plate 300 may be connected to the back plate 200; a lamp body 340 may be disposed on the lamp plate 300; the flexible circuit board may include: a first end of the flexible circuit board may be disposed on the side of the lamp plate 300 near the display panel 100 and connected to the lamp plate 300; the flexible... The circuit board may have a first opening 400a at one end; a flexible circuit board second end may be disposed on the side of the lamp board 300 away from the display panel 100; a flexible circuit board middle section may at least cover the end of the lamp board 300 near the through hole 200a; the flexible circuit board middle section may connect the first end and the second end of the flexible circuit board; the reflector 500 may be used to reflect the light of the lamp body; the reflector may have a second opening 521, the second opening 521 and the first opening are connected; wherein, a part of the lamp body 340 may pass through the first opening 400a and the second opening 521 and be connected to the lamp board 300; along the thickness direction of the display device, the orthographic projection of the edge of the first opening 400a on the surface of the reflector 500 may be used to surround the outer periphery of the second opening 521.

[0371] The above solution has the following advantages or beneficial effects: the diameter of the second opening on the reflective sheet is not larger than the diameter of the first opening on the flexible circuit board. The reflective sheet covers the edge of the hole with the first opening on the flexible circuit board, preventing light from being reflected by the flexible circuit board. The light emitted by the lamp board is smoothly reflected by the reflective sheet to maximize the reflection and utilization of light, improve the uniformity of light propagation, and improve the brightness uniformity of the display device.

[0372] Based on the above embodiments and examples, some embodiments of this application provide a display device, which may include: a display panel 100, a back plate 200, a lamp plate 300, a flexible circuit board 400, and a reflector 500. The display panel 100 has a display side; the back plate 200 may be disposed on the side of the display panel 100 away from the display side, and the back plate 200 may have a through hole 200a; the lamp plate 300 may be disposed between the back plate 200 and the display panel 100, and the lamp plate 300 may be connected to the back plate 200; a lamp body 340 may be disposed on the lamp plate 300; the flexible circuit board may include: a first end of the flexible circuit board, which may be disposed on the side of the lamp plate 300 near the display panel 100 and connected to the lamp plate 300; the first end of the flexible circuit board may have: a first opening 400a; and a second end of the flexible circuit board may have: The lamp body 340 is positioned on the side of the lamp panel 300 facing away from the display panel 100; the flexible circuit board section can at least cover the end of the lamp panel 300 near the through hole 400a; the flexible circuit board section can connect the first end and the second end of the flexible circuit board; the reflective sheet can be disposed on the side of the flexible circuit board 400 facing the display panel 100; the reflective sheet can have: a second opening 521, which can communicate with the first opening 400a; wherein, a portion of the lamp body 340 can be connected to the lamp panel 300 through the first opening 400a, the second opening 521, and the lamp panel 300; a first colloid 900, a portion of which can cover the first end of the flexible circuit board, a portion of which can fill the first opening 400a, and the first colloid 900 can wrap the flexible circuit board 400 and the lamp panel 300.

[0373] The above solution has the following advantages or beneficial effects: By setting a first colloid and partially covering the first end of the flexible circuit board with the first colloid, and partially filling the first opening, the mechanical connection strength between the flexible circuit board and the lamp board is improved, thus enhancing the connection stability between the lamp board and the flexible circuit board. This design effectively reduces the risk of separation between the flexible circuit board and the lamp board due to prolonged use.

[0374] In some embodiments of this application, the flexible circuit board 400 may include: a first segment 410, which may be disposed on the side of the lamp board 300 facing the display panel 100; a second segment 420, which may be connected to the end of the lamp board 300 near the through hole 200a; and a third segment 430, which may be connected to the side of the lamp board 300 away from the display panel 100; wherein the second segment 420 may connect the first segment 410 and the third segment 430.

[0375] The above solution has the following advantages or beneficial effects: The first board segment is connected to the lamp board to ensure the stability of the electrical and mechanical connection between the first board segment and the lamp board. The second board segment at least partially covers the end of the lamp board near the through hole. The third board segment is located on the side of the back plate opposite to the display panel. In this way, by designing the flexible circuit board with bending, the circuitry on both sides of the lamp board can be spanned and the space can be effectively utilized.

[0376] In some embodiments of this application, along the thickness direction of the display device, the orthographic projection of the first colloid 900 onto the surface where the lamp plate 300 is located can cover the first plate segment 410.

[0377] The above solution has the following advantages or beneficial effects: the first colloid forms a covering layer around the first plate segment. This covering layer can provide additional mechanical support, enhance the connection stability between the first plate segment and the lamp panel, and prevent the connection between the first plate segment and the lamp panel from loosening or breaking due to vibration or impact during use.

[0378] In some embodiments of this application, the first colloid 900 may include a plurality of colloid segments 930; the first plate segment 410 may include a first plate body, a first side, a second side, a third side, and a fourth side, the first side, the second side, the third side, and the fourth side may be connected end to end in sequence; at least four of the colloid segments 930 may cover the first side, the second side, the third side, and the fourth side in a one-to-one correspondence; at least a portion of the colloid segments 930 may fill the first opening 400a.

[0379] The above solution has the following advantages or beneficial effects: multiple gel segments of the first colloid cover the four sides of the first plate segment, forming a complete covering structure. This covering structure can provide additional mechanical support, enhance the connection stability between the first plate segment and the lamp panel, and prevent the connection from loosening or breaking due to vibration or impact during use.

[0380] In some embodiments of this application, a lamp board pad 370 may be provided on the side of the lamp board 300 away from the back plate 200; a circuit board pad 440 may be provided on the side of the first board segment 410 near the lamp board 300; the lamp board 300 and the flexible circuit board 400 may be electrically connected through the lamp board pad 370 and the circuit board pad 440.

[0381] The above solution has the following advantages or beneficial effects: the lamp board pads provide electrical connection points, while the wiring on the lamp board connects the various lamps on the lamp board to form a complete circuit. The circuit board pads on the flexible circuit board are used to make electrical connections with the lamp board pads on the lamp board, thereby realizing signal and power transmission between the flexible circuit board and the lamp board.

[0382] In some embodiments of this application, the lamp board pad 370 and the circuit board pad 440 can be connected by a second adhesive.

[0383] The above solution has the following advantages or beneficial effects: it realizes the electrical connection between the lamp board pads and the circuit board pads during use, and ensures the connection strength between the lamp board and the flexible circuit board.

[0384] In some embodiments of this application, the first colloid 900 may include a UV-curable adhesive or a transparent acrylic adhesive; and / or, the second colloid may include anisotropic conductive adhesive.

[0385] The above-mentioned solutions have the following advantages or beneficial effects: UV-curable adhesives typically have high transparency after curing, which does not affect the propagation of light from the lamp body. Furthermore, UV-curable adhesives have low shrinkage during curing, maintaining the dimensional stability of the bonded areas and reducing stress concentration and deformation. Transparent acrylic adhesives typically have high transparency after curing, which does not affect the propagation of light from the lamp body. Transparent acrylic adhesives typically have a faster curing speed, which can improve production efficiency.

[0386] In some embodiments of this application, the thickness of the first colloid 900 may be greater than 40 μm and less than 50 μm.

[0387] The above solution has the following advantages or beneficial effects: it improves the connection strength between the flexible circuit board and the lamp board, ensures the connection stability between the flexible circuit board and the lamp board, and avoids the backlight module being too thick.

[0388] In some embodiments of this application, the back plate 200 may have: a back plate centerline 200d, along a direction perpendicular to the thickness of the display device, the back plate centerline 200d may be disposed in the middle section of the back plate 200; a through hole 200a, the through hole 200a may include: a first through hole 200b, along a direction perpendicular to the thickness of the display device, the first through hole 200b may be disposed on a first side extending in the direction of the back plate centerline 200d, and the number of the first through holes 200b may be multiple; a second through hole 200c, which may not be interconnected with the first through hole 200b; along a direction perpendicular to the thickness of the display device, the second through hole 200c may be disposed on a second side opposite to the first side extending in the direction of the back plate centerline 200d; the number of the second through holes 200c may be multiple; The plurality of first through holes 200b can be correspondingly arranged with a plurality of second through holes 200c; the lamp board 300 may include: a first lamp board 350, along a direction perpendicular to the thickness of the display device, a plurality of first lamp boards 350 may be arranged on a first side extending in the direction of the center line 200d of the back panel, and the number of first lamp boards 350 may be plurality; a second lamp board 360, along a direction perpendicular to the thickness of the display device, a plurality of second lamp boards 360 may be arranged on a second side opposite to the first side extending in the direction of the center line 200d of the back panel; the number of second lamp boards 360 may be plurality; the plurality of first lamp boards 350 can be correspondingly arranged with a plurality of first through holes 200b; the plurality of second lamp boards 360 and the plurality of second through holes 200c can be correspondingly arranged.

[0389] The above solution has the following advantages or beneficial effects: The first and second through holes are respectively set on both sides of the extension direction of the back panel centerline, forming a symmetrical distribution. This design can evenly distribute stress and avoid stress concentration at a certain position, thereby improving the overall structural stability of the back panel. Simultaneously, the first and second through holes allow the flexible circuit board to pass through, improving the neatness and reliability of the back panel. By setting the first lamp board and through holes in a one-to-one correspondence, and connecting the first lamp board to the connector via the flexible circuit board, individual control of each first lamp board is achieved. Each connector can independently transmit power and signals to the corresponding first lamp board, allowing each first lamp board to work independently and meet different display effects. Similarly, by setting the second lamp board and through holes in a one-to-one correspondence, and connecting the second lamp board to the connector via the flexible circuit board, individual control of each second lamp board is achieved. Each connector can independently transmit power and signals to the corresponding second lamp board, allowing each second lamp board to work independently and meet different display effects.

[0390] Based on the above embodiments and examples, some embodiments of this application provide a display device, which may include: a display panel 100, a back plate 200, a lamp plate 300, a flexible circuit board 400, and a reflector 500. The display panel 100 can be used to display images; the back plate 200 may be disposed on the side of the display panel 100 away from the display side, and the back plate 200 may have a through hole 200a; the lamp plate 300 may be disposed between the back plate 200 and the display panel 100, and the lamp plate 300 may be connected to the back plate 200; a lamp body 340 may be disposed on the lamp plate 300; the flexible circuit board 400 may include: a first end of the flexible circuit board, which may be disposed on the side of the lamp plate 300 near the display panel 100 and connected to the lamp plate 300; The flexible circuit board may have a first opening 400a at its first end; a second end of the flexible circuit board may be disposed on the side of the lamp board 300 facing away from the display panel 100; a middle section of the flexible circuit board may at least cover the end of the lamp board 300 near the through hole 200a; the middle section of the flexible circuit board may connect the first end of the flexible circuit board and the second end of the flexible circuit board; a reflective sheet 500 may be disposed on the side of the flexible circuit board 400 facing the display panel 100; the reflective sheet 500 may have a second opening 521, which communicates with the first opening 400a; wherein a portion of the lamp body 340 may be connected to the lamp board 300 through the first opening 400a, the second opening 521, and the lamp board 300; and a first colloid 900, which may be used to wrap the flexible circuit board 400 and the lamp board 300.

[0391] The above solution has the following advantages or beneficial effects: By setting a first colloid and partially covering the first end of the flexible circuit board with the first colloid, and partially filling the first opening, the mechanical connection strength between the flexible circuit board and the lamp board is improved, thus enhancing the connection stability between the lamp board and the flexible circuit board. This design effectively reduces the risk of separation between the flexible circuit board and the lamp board due to prolonged use.

[0392] Based on the above embodiments and examples, some embodiments of this application provide a display device, which may include: a display panel 100, a back plate 200, a lamp plate 300, a flexible circuit board 400, and a reflector 500, wherein the display panel 100 has a display side; the back plate 200 may be disposed on the side of the display panel 100 away from the display side, and the back plate 200 may be provided with a through hole 200a; the lamp plate 300 may be disposed between the back plate 200 and the display panel 100, and the lamp plate 300... The 0 can be connected to the back plate 200; the lamp board 300 can be provided with a lamp body 340; the lamp board 300 can include: a lamp board body area 312; a bonding area 311, which can be connected to the lamp board body area 312, and along the thickness direction perpendicular to the display device, the bonding area 311 can be disposed close to the through hole 200a relative to the lamp board body area 312; the flexible circuit board 400 can include: a first end of the flexible circuit board, which can be disposed in the bonding area 311 and connected to the bonding area 311; the flexible circuit board The first end of the flexible circuit board 400 may be provided with a first opening 400a; the second end of the flexible circuit board may be provided on the side of the lamp board 300 facing away from the display panel 100; the middle section of the flexible circuit board may at least cover the end of the lamp board 300 near the through hole 200a; wherein, the middle section of the flexible circuit board may connect the first end and the second end of the flexible circuit board; the reflective sheet 500 may be provided on the side of the flexible circuit board 400 facing the display panel 100; the reflective sheet 500 may have: a second opening 521; The first opening 400a can communicate with the second opening 521, and a portion of the lamp body 340 can be connected to the lamp board 300 through the first opening 400a and the second opening 521; the first colloid 900 may include: a first colloid segment 910, a portion of which can cover the first end of the flexible circuit board; a second colloid segment 920, which can be connected to the first colloid segment 910, and the second colloid segment 920 can cover a portion of the lamp board body area 312.

[0393] The above solution has the following advantages or beneficial effects: by setting the first colloid as the first colloid segment and the second colloid segment, the bonding area between the flexible circuit board and the lamp board, and the connection strength between the flexible circuit board and the lamp board body area are improved, preventing the connection between the flexible circuit board and the lamp board from loosening or breaking due to external force, improving the connection stability between the lamp board and the flexible circuit board, increasing the service life of the display device, and improving the performance of the display device.

[0394] Based on the above embodiments and examples, some embodiments of this application provide a display device, which may include: a display panel 100, a diffuser plate 600, a back panel assembly, a lamp plate 300, and a support portion, wherein the display panel 100 has a display side; the diffuser plate 600 may be disposed on the side of the display panel 100 away from the display side; the back panel assembly may have a back panel cavity with one end open, the opening facing the display panel 100, and the back panel assembly may be disposed on the side of the diffuser plate 600 away from the display panel 100; the back panel assembly may have: a mounting surface 270, the mounting surface 270 may be disposed near the opening; the mounting surface 270 may include: a first end of the mounting surface along the thickness direction of the display device, the first end of the mounting surface may be close to the display panel 100; a second end of the mounting surface along... In the thickness direction of the display device, the second end of the mounting surface may be away from the display panel 100; along the direction perpendicular to the thickness of the display device, the second end of the mounting surface may be close to the back plate cavity relative to the first end of the mounting surface; the lamp plate 300 may be located in the back plate cavity, and the lamp plate 300 may be connected to the back plate assembly; the lamp plate 300 may have: a lamp body 340, which may be disposed on the side of the lamp plate 300 near the diffuser plate 600; a driving chip, which may be disposed on the side of the lamp plate 300 near the diffuser plate 600; the driving chip may be used to control the working state of the lamp body 340; and a support portion, which may be disposed on the driving chip, the first end of the support portion may cover the driving chip, and the second end of the support portion may contact the diffuser plate 600.

[0395] The above solution has the following advantages or beneficial effects: During installation, the diffuser plate undergoes pre-deformation towards the backplate cavity of the backplate assembly. The diffuser plate bends towards the backplate cavity. This pre-deformation alters the mechanical balance of the diffuser plate, making it easier to achieve equilibrium during operation. By setting the mounting surface, the diffuser plate undergoes pre-deformation during installation, thus placing it in a near-operating equilibrium position after installation. This reduces additional deformation and stress on the diffuser plate caused by external forces during the use of the display device.

[0396] In some embodiments of this application, the distance between the mounting surface 270 and the display panel 100 may gradually increase along the direction from the first end of the mounting surface to the second end of the mounting surface.

[0397] The above solution has the following advantages or beneficial effects: by setting the mounting surface, the distance between the mounting surface and the display panel gradually increases along the direction from the first end of the mounting surface to the second end of the mounting surface; in this way, the diffuser plate will undergo pre-deformation during installation, so that the diffuser plate is in a near-working equilibrium position after installation. Thus, during the use of the display device, the additional deformation and stress of the diffuser plate caused by external forces are reduced.

[0398] In some embodiments of this application, the backplate assembly may include: the backplate 200, the backplate 200 may include: a backplate bottom plate 240, on which the lamp body 340 may be disposed; a backplate side plate 250, the backplate bottom plate 240 and the backplate side plate 250 may surround to form the backplate cavity, the diffuser plate 600 and the display panel 100 may be disposed at the opening of the backplate cavity; the backplate side plate 250 may have the mounting surface 270 formed at the end near the display side.

[0399] The above solution has the following advantages or beneficial effects: By setting a mounting surface on the side of the back panel near the opening and mounting the end of the diffuser plate on the mounting surface, the diffuser plate is pre-bent during installation. Since the mounting surface is inclined towards the back panel cavity relative to the plane where the display panel is located, this design avoids the problem of the diffuser plate deforming towards the display panel during use, improves the stability of the optical distance in the display device, and thus improves the display effect of the display device.

[0400] In some embodiments of this application, the back panel side plate 250 may include a top side plate 251, a right side plate 254, a ground side plate 252, and a left side plate 253 connected in sequence, with the left side plate 253 connected to the top side plate 251; the left side plate 253 and the right side plate 254 may be arranged opposite to each other along a first direction; the top side plate 251 and the ground side plate 252 may be arranged opposite to each other along a second direction; the thickness direction of the display device is parallel to a third direction, and the first direction, the second direction, and the third direction are mutually perpendicular; the ends of the top side plate 251 and the ground side plate 252 near the diffuser plate 600 may form a first mounting surface; the first mounting surface may include: a first mounting end, along the thickness direction of the display device, the first mounting end may be close to the display panel 100; a second mounting end, along the thickness direction of the display device, the second mounting end may be away from the display panel 100. Display panel 100; the second mounting end is close to the back panel cavity relative to the first mounting end; the distance between the first mounting surface and the display panel 100 can gradually increase along the direction from the first mounting end to the second mounting end; the ends of the left side panel 253 and the right side panel 254 near the diffuser plate 600 can form a second mounting surface; the second mounting surface may include: a third mounting end, which is disposed close to the display panel 100 along the thickness direction of the display device; a fourth mounting end, which is away from the display panel 100 along the thickness direction of the display device; the fourth mounting end is close to the back panel cavity relative to the third mounting end; the distance between the second mounting surface and the display panel 100 can gradually increase along the direction from the third mounting end to the fourth mounting end; the first mounting surface and the second mounting surface can form the mounting surface 270.

[0401] The above solution has the following advantages or beneficial effects: each end of the diffuser plate is pre-bent under the guidance of the mounting surface, which increases the contact area between the diffuser plate and the back plate side plate, thereby improving the stability of the diffuser plate structure, avoiding deformation of the diffuser plate during use, improving the stability of the optical distance in the display device, and improving the display effect of the display device.

[0402] In some embodiments of this application, the back panel assembly may further include a hoarding side panel; a first end of the hoarding side panel is connected to the back panel side panel 250, and a second end of the hoarding side panel extends toward the display panel 100.

[0403] The above solution has the following advantages or beneficial effects: it prevents light leakage from the edges of the diffuser plate, ensures that the light is concentrated in the display area, and improves the contrast and clarity of the display effect. Furthermore, the connection between the enclosure side panel and the back panel side panel increases the structural stability of the entire back panel assembly.

[0404] In some embodiments of this application, the back panel assembly may further include a middle frame 260, which may be disposed on the side of the back panel 200 near the diffuser plate 600; the middle frame 260 may be connected to the back panel 200; and the mounting surface 270 may be provided on the side of the middle frame 260 near the opening.

[0405] The above solution offers the following advantages or beneficial effects: This design allows the mid-frame to directly support and secure the diffuser plate. The combination of the back plate and mid-frame provides greater structural stability. The back plate provides overall mechanical strength, while the mid-frame provides precise support for the diffuser plate.

[0406] In some embodiments of this application, the support portion may include an adhesive layer, the two ends of which may be connected to the driving chip and the diffuser plate 600, respectively; the end of the adhesive layer near the diffuser plate 600 does not exceed the end of the mounting surface 270 near the lamp plate 300; the display device may also include a reflective sheet 500, which may be disposed on the side of the lamp plate 300 facing the display panel 100.

[0407] The above solution has the following advantages or beneficial effects: the end of the adhesive layer near the diffuser plate does not exceed the end of the mounting surface near the lamp plate. This design ensures that the adhesive layer will not interfere with the installation of the diffuser plate and the light propagation path, optimizes the installation space, and improves installation efficiency.

[0408] In some embodiments of this application, the back panel bottom plate 240, the back panel side plate 250, and the enclosure side plate can be integrally formed parts.

[0409] The above solution has the following advantages or beneficial effects: by setting the back panel bottom plate, back panel side plate and enclosure side plate as a one-piece molded part, the overall structure of the back panel assembly is more robust due to the absence of splicing or welding points, reducing quality differences caused by splicing or welding, and improving the structural strength and stability of the back panel assembly.

[0410] In some embodiments of this application, the diffuser plate 600 can be connected to the mounting surface 270 via adhesive.

[0411] The above solution offers the following advantages or beneficial effects: the adhesive provides strong bonding, ensuring the diffuser plate is securely fixed to the mounting surface and preventing loosening or detachment. The high transparency of the adhesive ensures that light passes through the adhesive layer without interference, maintaining light purity and uniformity, thus improving display quality. Using the adhesive simplifies the installation process, reduces the use of mechanical fasteners, and improves installation efficiency.

[0412] In some embodiments of this application, the angle between the direction from the first end to the second end of the mounting surface and the plane where the display panel 100 is located may be greater than 5° and less than 30°; and / or, along the thickness direction of the display device, the orthographic projection of the mounting surface 270 onto the plane where the display panel 100 is located may have an extension length greater than 3mm and less than 5mm along the thickness direction of the display device.

[0413] The above solution has the following advantages or beneficial effects: Setting the angle between the first and second ends of the mounting surface and the plane containing the display panel to be greater than 5° and equal to 30° ensures a suitable support angle between the diffuser plate and the mounting surface, preventing deformation of the diffuser plate during use and ensuring its structural stability and durability. The orthographic projection of the mounting surface onto the display panel, extending along the direction perpendicular to the thickness of the display device, is less than 3mm and greater than 5mm, ensuring sufficient contact area between the diffuser plate and the mounting surface of the back panel assembly, guaranteeing a stable fixation of the diffuser plate. Simultaneously, it avoids the back panel assembly affecting light propagation, preventing light spots and dark areas, and improving the uniformity of the display effect.

[0414] Based on the above embodiments and examples, some embodiments of this application provide a display device, which may include: a display panel 100, a diffuser plate 600, a back panel assembly, a lamp plate 300, and a support portion. The display panel 100 can be used to display images; the diffuser plate 600 may be disposed on the side of the display panel 100 away from the display side; the back panel assembly may have a back panel cavity with an opening at one end, the opening facing the display panel 100, and the back panel assembly may be disposed on the side of the diffuser plate 600 away from the display panel 100; the back panel assembly may have: a mounting surface 270, the mounting surface 270 being disposed near the opening; the mounting surface 270 may include: a first end of the mounting surface along the thickness direction of the display device. The first end of the mounting surface is close to the display panel 100; the second end of the mounting surface, along the thickness direction of the display device, may be away from the display panel 100; along the direction perpendicular to the thickness direction of the display device, the second end of the mounting surface may be close to the back panel cavity relative to the first end of the mounting surface; the lamp board 300 may be located in the back panel cavity, and the lamp board 300 may be connected to the back panel assembly; the lamp board 300 may have: a lamp body 340, which may be disposed on the side of the lamp board 300 close to the diffuser plate 600; a driving chip, which may be disposed on the side of the lamp board 300 close to the diffuser plate 600; the driving chip may be used to control the working state of the lamp body 340; and a support portion, which may be used to support the diffuser plate 600.

[0415] The above solution has the following advantages or beneficial effects: Since the distance between the mounting surface and the display panel gradually increases along the direction from the first end to the second end of the mounting surface; that is, the mounting surface is inclined, the diffuser plate will pre-deform towards the back panel cavity of the back panel assembly during installation. The diffuser plate bends towards the back panel cavity. This pre-deformation can change the mechanical balance of the diffuser plate, making it easier to reach a balanced state during operation. By setting the mounting surface, the diffuser plate undergoes pre-deformation during installation, thus placing it in a near-operating equilibrium position after installation. During the use of the display device, this reduces the additional deformation and stress on the diffuser plate caused by external forces.

[0416] Finally, it should be noted that the above embodiments are only used to illustrate the solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding solutions to deviate from the scope of the solutions of the embodiments of this application.

[0417] For ease of explanation, the above description has been provided in conjunction with specific embodiments. However, the discussion of the above embodiments is not intended to be exhaustive or to limit the embodiments to the specific forms disclosed above. Various modifications and variations can be obtained based on the above teachings. The selection and description of the above embodiments are for the purpose of better explaining the principles and practical applications, thereby enabling those skilled in the art to better utilize the embodiments and various different variations of the embodiments suitable for specific application considerations.

Claims

1. A display device, comprising: Display panel (100), having a display side; A back plate (200) is disposed on the side of the display panel (100) opposite to the display side, and the back plate (200) has: A through-hole (200a) extends along the thickness direction of the display device; A first side (210) of the back panel faces the display panel (100); a light panel (300) is provided on the first side (210) of the back panel; The second side (220) of the back plate has a back plate inclined section (221); the back plate inclined section (221) is disposed at the through hole (200a); The third side (230) of the back panel is arranged opposite to the first side (210) and the third side (230) of the back panel along the thickness direction of the display device; The second side (220) of the back plate connects the first side (210) of the back plate and the third side (230) of the back plate; The inclined section (221) of the back plate includes: The first end of the back plate is disposed close to the first surface (210) of the back plate along the thickness direction of the display device; The second end of the back plate is disposed close to the third surface (230) of the back plate along the thickness direction of the display device; Along the direction perpendicular to the thickness of the back plate (200), the second end of the back plate is closer to the center of the lamp plate (300) than the first end of the back plate; The lamp panel (300) has a lamp body (340) disposed on the side of the lamp panel (300) near the display panel (100); A flexible circuit board (400), the flexible circuit board (400) comprising: The first end of the flexible circuit board is connected to the lamp board (300); The second end of the flexible circuit board is connected to the inclined section (221) of the back plate; The middle section of the flexible circuit board at least covers the end of the lamp board (300) near the through hole (200a); The middle section of the flexible circuit board connects the first end of the flexible circuit board and the second end of the flexible circuit board; A reflector (500) is disposed on the side of the lamp plate (300) and the flexible circuit board (400) facing the display panel (100).

2. The display device according to claim 1, wherein the distance between the inclined section (221) of the back plate and the display panel (100) gradually increases along the direction from the first end of the back plate to the second end of the back plate.

3. The display device according to claim 2, wherein the inclined section (221) of the back plate is disposed in the middle section of the second surface (220) of the back plate along the first direction; the first direction is perpendicular to the thickness direction of the display device; The inclined section (221) of the back plate forms part of the inner wall of the through hole (200a) on the surface facing the through hole (200a).

4. The display device according to claim 3, wherein the back panel inclined section (221) comprises: The first inclined section (222) is connected to the first surface (210) of the back plate; The second inclined segment (223) is connected to the first inclined segment (222); The third inclined section (224) is connected to the third surface (230) of the back plate; Wherein, the second inclined segment (223) connects the first inclined segment (222) and the third inclined segment (224); the extension directions of the first inclined segment (222) and the third inclined segment (224) are parallel, and the extension direction of the second inclined segment (223) intersects the extension directions of the first inclined segment (222) and the third inclined segment (224); The first inclined segment (222) includes: The first inclined end is disposed close to the first surface (210) of the back plate along the thickness direction of the display device; The second inclined end is disposed near the third surface (230) of the back plate along the thickness direction of the display device; and is disposed near the center of the lamp plate (300) relative to the first inclined end along the thickness direction of the display device. Along the first inclined end to the second inclined end, the distance between the first inclined segment (222) and the display panel (100) gradually increases.

5. The display device according to claim 4, wherein the surface of the inclined section (221) of the back plate is uneven.

6. The display device according to any one of claims 4-5, wherein the back panel (200) has: The back panel centerline (200d) is located along the second direction and is situated in the middle section of the back panel (200). The through hole (200a) is provided at the center line (200d) of the back plate; there are multiple through holes (200a), and the multiple through holes (200a) are arranged at intervals along the first direction; The thickness direction of the display device is parallel to the third direction, and the first direction, the second direction, and the third direction are perpendicular to each other.

7. The display device according to claim 6, wherein the lamp panel (300) comprises: The first light panel (350) is disposed on the first side of the extension direction of the center line (200d) of the back panel along the second direction, and the number of the first light panels (350) is multiple. The second light panel (360) is disposed on a second side opposite to the first side of the extension direction of the center line (200d) of the back panel along the second direction; there are multiple second light panels (360). Among them, a plurality of first lamp panels (350), a plurality of through holes (200a), and a plurality of second lamp panels (360) are correspondingly arranged.

8. The display device according to claim 6, wherein the lamp panel (300) comprises: The first surface (310) of the lamp panel faces the display panel (100), and a lamp body (340) is provided on the first surface (310) of the lamp panel; The second surface (320) of the lamp panel has an inclined section (321); The third surface (330) of the lamp panel is connected to the first surface (210) of the back panel; Along the thickness direction of the display device, the first surface (310) and the third surface (330) of the lamp panel are arranged opposite to each other, and the second surface (320) of the lamp panel connects the first surface (310) and the third surface (330).

9. The display device according to claim 8, wherein the lamp panel tilting section (321) and the back panel tilting section (221) are connected, and the lamp panel tilting section (321) comprises: At the first end of the lamp panel, along the thickness direction of the display device, the first end of the lamp panel is close to the first surface (310) of the lamp panel; The second end of the lamp panel is close to the third surface (330) of the lamp panel along the thickness direction of the display device; the second end of the lamp panel is away from the lamp body (340) relative to the first end of the lamp panel. Along the line from the first end to the second end of the lamp panel, the distance between the inclined section (321) of the lamp panel and the display panel (100) gradually increases.

10. The display device according to claim 9, wherein a chamfered structure (800) is provided at the connection between the inclined section (221) of the back panel and the inclined section (321) of the lamp panel.

11. A display device, comprising: Display panel (100) for displaying images; A back plate (200) is disposed on the side of the display panel (100) opposite to the display side of the display panel (100), and the back plate (200) has: A through-hole (200a) extends along the thickness direction of the display device; A first side (210) of the back panel faces the display panel (100); a light panel (300) is provided on the first side (210) of the back panel; The second side (220) of the back plate has a back plate inclined section (221); the back plate inclined section (221) is disposed at the through hole (200a); The third side (230) of the back panel is arranged opposite to the first side (210) and the third side (230) of the back panel along the thickness direction of the display device; The second side (220) of the back plate connects the first side (210) of the back plate and the third side (230) of the back plate; The back plate (200) back plate inclined section (221) includes: The first end of the back plate is disposed close to the first surface (210) of the back plate along the thickness direction of the display device; The second end of the back plate is disposed close to the third surface (230) of the back plate along the thickness direction of the display device; Along the direction perpendicular to the thickness of the back plate (200), the second end of the back plate is closer to the center of the lamp plate (300) than the first end of the back plate; The lamp panel (300) has a lamp body (340) disposed on the side of the lamp panel (300) near the display panel (100); the lamp body (340) is used to provide light to the display panel (100); A flexible circuit board (400) for bending around the lamp panel (300) and the back panel (200), at least a portion of the flexible circuit board (400) at least covers the end of the lamp panel (300) near the through hole (200a); at least a portion of the flexible circuit board (400) covers the inclined section (221) of the back panel. Reflector (500), used to reflect light.

12. A display device, comprising: Display panel (100), having a display side; A back plate (200) is disposed on the side of the display panel (100) opposite to the display side, and a through hole (200a) is provided on the back plate (200); A lamp panel (300) is disposed between the back panel (200) and the display panel (100), and the lamp panel (300) and the back panel (200) are connected; a lamp body (340) is disposed on the lamp panel (300); A flexible circuit board (400), the flexible circuit board (400) comprising: The first end of the flexible circuit board is disposed on the side of the lamp board (300) near the display panel (100) and connected to the lamp board (300); the first end of the flexible circuit board has: First opening (400a); The second end of the flexible circuit board is disposed on the side of the lamp board (300) opposite to the display panel (100); The middle section of the flexible circuit board at least covers the end of the lamp board (300) near the through hole (200a); The middle section of the flexible circuit board connects the first end of the flexible circuit board and the second end of the flexible circuit board; A reflective sheet (500) is disposed on the side of the flexible circuit board (400) facing the display panel (100), and the reflective sheet (500) has: The second opening (521) is connected to the first opening (400a); The lamp body (340) is connected to the lamp plate (300) through the first opening (400a) and the second opening (521); along the thickness direction of the display device, the orthographic projection of the edge of the first opening (400a) on the surface where the reflector (500) is located surrounds the outer periphery of the second opening (521).

13. The display device according to claim 12, wherein the diameter of the first opening (400a) is not less than the diameter of the second opening (521); And / or, the diameter of the second opening (521) is not less than the diameter of the lamp body (340).

14. The display device according to claim 13, wherein the center of the first opening (400a), the center of the second opening (521), and the center of the lamp body (340) coincide.

15. The display device according to claim 13, wherein the radial dimension of the second opening (521) near the end of the lamp plate (300) is not greater than the radial dimension of the second opening (521) away from the end of the lamp plate (300).

16. The display device according to claim 15, wherein the radial dimension of the second opening (521) near the end of the lamp plate (300) is equal to the radial dimension of the second opening (521) away from the end of the lamp plate (300).

17. The display device according to claim 15, wherein the radial dimension of the first opening (400a) near the end of the lamp plate (300) is equal to the radial dimension of the first opening (400a) away from the end of the lamp plate (300).

18. The display device according to any one of claims 12-17, wherein the reflective sheet (500) comprises: The first reflective section (510) is provided with a reflective sheet opening (511); The second reflective segment (520) is connected to the first reflective segment (510), and the second reflective segment (520) is provided with the second opening (521); along the thickness direction of the display device, the orthographic projection of the flexible circuit board (400) on the surface where the lamp board (300) is located covers the second reflective segment (520). The aperture of the reflective sheet opening (511) is not greater than the aperture of the second opening (521).

19. The display device according to claim 18, wherein the ratio of the aperture of the first opening (400a) to the aperture of the second opening (521) is greater than 1 and less than 1.

2.

20. The display device according to claim 17, wherein the back panel (200) has: The center line (200d) of the back panel is perpendicular to the thickness direction of the display device and is located in the middle section of the back panel (200). The through hole (200a) includes: The first through hole (200b) is located on the first side of the extension direction of the center line (200d) of the back plate, along the thickness direction perpendicular to the display device. The number of the first through holes (200b) is multiple. The second through hole (200c) is not connected to the first through hole (200b); along the thickness direction perpendicular to the display device, the second through hole (200c) is disposed on the second side opposite to the first side extending in the direction of the center line (200d) of the back plate; there are multiple second through holes (200c); Among them, a plurality of first through holes (200b) are provided with a plurality of second through holes (200c) in a one-to-one correspondence; The lamp panel (300) includes: A first lamp panel (350) is provided on a first side along the extension direction of the center line (200d) of the back panel, with a plurality of first lamp panels (350) arranged perpendicular to the thickness direction of the display device. The second lamp panel (360) is arranged along the thickness direction perpendicular to the display device, and a plurality of the second lamp panels (360) are disposed on a second side opposite to the first side extending in the direction of the center line (200d) of the back panel; the number of the second lamp panels (360) is multiple. The plurality of first lamp panels (350) and the plurality of first through holes (200b) are arranged in a one-to-one correspondence; the plurality of second lamp panels (360) and the plurality of second through holes (200c) are arranged in a one-to-one correspondence.

21. A display device, comprising: Display panel (100) for displaying images; A back plate (200) is disposed on the side of the display panel (100) away from the display side of the display panel (100), and a through hole (200a) is provided on the back plate (200); A lamp panel (300) is disposed between the back panel (200) and the display panel (100), and the lamp panel (300) and the back panel (200) are connected; a lamp body (340) is disposed on the lamp panel (300); A flexible circuit board (400), the flexible circuit board (400) comprising: The first end of the flexible circuit board is disposed on the side of the lamp board (300) near the display panel (100) and is connected to the lamp board (300); The first end of the flexible circuit board has: First opening (400a); The second end of the flexible circuit board is disposed on the side of the lamp board (300) opposite to the display panel (100); The middle section of the flexible circuit board at least covers the end of the lamp board (300) near the through hole (200a); The middle section of the flexible circuit board connects the first end of the flexible circuit board and the second end of the flexible circuit board; A reflector (500) is used to reflect the light from the lamp body (340); The reflective sheet (500) has: The second opening (521) is connected to the first opening (400a); The lamp body (340) is partially connected to the lamp plate (300) through the first opening (400a) and the second opening (521); along the thickness direction of the display device, the orthographic projection of the edge of the first opening (400a) on the surface of the reflector (500) is used to surround the outer periphery of the second opening (521).

22. A display device, comprising: Display panel (100), having a display side; A back plate (200) is disposed on the side of the display panel (100) opposite to the display side, and a through hole (200a) is provided on the back plate (200); A lamp panel (300) is disposed between the back panel (200) and the display panel (100), and the lamp panel (300) and the back panel (200) are connected; a lamp body (340) is disposed on the lamp panel (300); A flexible circuit board (400), the flexible circuit board (400) comprising: The first end of the flexible circuit board is disposed on the side of the lamp board (300) near the display panel (100) and is connected to the lamp board (300); The first end of the flexible circuit board has: First opening (400a); The second end of the flexible circuit board is disposed on the side of the lamp board (300) opposite to the display panel (100); The middle section of the flexible circuit board at least covers the end of the lamp board (300) near the through hole (200a); The middle section of the flexible circuit board connects the first end of the flexible circuit board and the second end of the flexible circuit board; A reflective sheet (500) is disposed on the side of the flexible circuit board (400) facing the display panel (100); The reflective sheet (500) has: The second opening (521) is connected to the first opening (400a); The lamp body (340) is connected to the lamp plate (300) via the first opening (400a), the second opening (521), and the lamp body (300). A first colloid (900) is partially covered at the first end of the flexible circuit board, and a portion of the first colloid (900) is filled into the first opening (400a). The first colloid (900) encapsulates the flexible circuit board (400) and the lamp board (300).

23. The display device according to claim 22, wherein the flexible circuit board (400) comprises: The first plate segment (410) is disposed on the side of the lamp plate (300) facing the display panel (100). The second plate segment (420) is connected to the end of the lamp plate (300) near the through hole (200a); The third plate segment (430) is connected to the side of the lamp plate (300) opposite to the display panel (100); The second plate segment (420) connects the first plate segment (410) and the third plate segment (430).

24. The display device according to claim 23, wherein the orthographic projection of the first colloid (900) onto the surface of the lamp plate (300) covers the first plate segment (410) along the thickness direction of the display device.

25. The display device according to claim 23, wherein the first colloid (900) comprises a plurality of colloid segments (930); The first plate segment (410) includes a first plate body, a first side, a second side, a third side and a fourth side, and the first side, the second side, the third side and the fourth side are connected end to end in sequence; At least four of the colloidal segments (930) are respectively covered on the first side, the second side, the third side, and the fourth side; at least a portion of the colloidal segments (930) are filled in the first opening (400a).

26. The display device according to claim 25, wherein the lamp board (300) is provided with a lamp board pad (370) on the side opposite to the back plate (200); The first board segment (410) has a circuit board pad (440) on the side near the lamp board (300); The lamp board (300) and the flexible circuit board (400) are electrically connected through the lamp board pad (370) and the circuit board pad (440).

27. The display device according to claim 26, wherein the lamp board pad (370) and the circuit board pad (440) are connected by a second adhesive.

28. The display device according to claim 27, wherein the first colloid (900) comprises a UV-curable adhesive or a transparent acrylic adhesive; And / or, the second colloid includes anisotropic conductive adhesive.

29. The display device according to claim 27, wherein the thickness of the first colloid (900) is greater than 40 μm and less than 50 μm.

30. The display device according to any one of claims 23-29, wherein the back panel (200) has: The center line (200d) of the back panel is perpendicular to the thickness direction of the display device and is located in the middle section of the back panel (200). The through hole (200a) includes: The first through hole (200b) is located on the first side of the extension direction of the center line (200d) of the back plate, along the thickness direction perpendicular to the display device. The number of the first through holes (200b) is multiple. The second through hole (200c) is not connected to the first through hole (200b); along the thickness direction perpendicular to the display device, the second through hole (200c) is disposed on the second side opposite to the first side extending in the direction of the center line (200d) of the back plate; there are multiple second through holes (200c); Among them, a plurality of first through holes (200b) are provided with a plurality of second through holes (200c) in a one-to-one correspondence; The lamp panel (300) includes: A first lamp panel (350) is provided on a first side along the extension direction of the center line (200d) of the back panel, with a plurality of first lamp panels (350) arranged perpendicular to the thickness direction of the display device. The second lamp panel (360) is arranged along the thickness direction perpendicular to the display device, and a plurality of the second lamp panels (360) are disposed on a second side opposite to the first side extending in the direction of the center line (200d) of the back panel; the number of the second lamp panels (360) is multiple. The plurality of first lamp panels (350) and the plurality of first through holes (200b) are arranged in a one-to-one correspondence; the plurality of second lamp panels (360) and the plurality of second through holes (200c) are arranged in a one-to-one correspondence.

31. A display device, the display device comprising: Display panel (100) for displaying images; A back plate (200) is disposed on the side of the display panel (100) away from the display side of the display panel (100), and a through hole (200a) is provided on the back plate (200); A lamp panel (300) is disposed between the back panel (200) and the display panel (100), and the lamp panel (300) and the back panel (200) are connected; a lamp body (340) is disposed on the lamp panel (300); A flexible circuit board (400), the flexible circuit board (400) comprising: The first end of the flexible circuit board is disposed on the side of the lamp board (300) near the display panel (100) and is connected to the lamp board (300); The first end of the flexible circuit board has: First opening (400a); The second end of the flexible circuit board is disposed on the side of the lamp board (300) opposite to the display panel (100); The middle section of the flexible circuit board at least covers the end of the lamp board (300) near the through hole (200a); The middle section of the flexible circuit board connects the first end of the flexible circuit board and the second end of the flexible circuit board; A reflective sheet (500) is disposed on the side of the flexible circuit board (400) facing the display panel (100); The reflective sheet (500) has: The second opening (521) is connected to the first opening (400a); The lamp body (340) is connected to the lamp plate (300) via the first opening (400a), the second opening (521), and the lamp body (300). A first colloid (900) is used to encapsulate the flexible circuit board (400) and the lamp board (300).

32. A display device, comprising: Display panel (100), having a display side; A back plate (200) is disposed on the side of the display panel (100) opposite to the display side, and a through hole (200a) is provided on the back plate (200); A lamp panel (300) is disposed between the back panel (200) and the display panel (100), and the lamp panel (300) and the back panel (200) are connected; a lamp body (340) is disposed on the lamp panel (300); The lamp panel (300) includes: Lamp panel body area (312); The bonding area (311) is connected to the lamp panel body area (312) and is located along the thickness direction perpendicular to the display device. The bonding area (311) is positioned close to the through hole (200a) relative to the lamp panel body area (312). A flexible circuit board (400), the flexible circuit board (400) comprising: The first end of the flexible circuit board is disposed in the bonding area (311) and connected to the bonding area (311); the first end of the flexible circuit board (400) is provided with a first opening (400a); The second end of the flexible circuit board is disposed on the side of the lamp board (300) opposite to the display panel (100); The middle section of the flexible circuit board at least covers the end of the lamp board (300) near the through hole (200a); The flexible circuit board is connected in the middle section to the first end and the second end of the flexible circuit board. A reflective sheet (500) is disposed on the side of the flexible circuit board (400) facing the display panel (100); The reflective sheet (500) has: Second opening (521); the first opening (400a) and the second opening (521) are connected, and a portion of the lamp body (340) is connected to the lamp plate (300) through the first opening (400a) and the second opening (521); The first colloid (900) comprises: A first colloidal segment (910) is partially covered at the first end of the flexible circuit board; The second colloidal segment (920) is connected to the first colloidal segment (910), and the second colloidal segment (920) covers a portion of the lamp panel body area (312).

Images