A display device

Abstract

This application provides a display device, which includes: a glass liquid crystal assembly, the glass liquid crystal assembly including a cover glass, a liquid crystal panel and a circuit board assembly, wherein the bonding surface of the cover glass is bonded to the display surface of the liquid crystal panel, and the circuit board assembly is connected to the liquid crystal panel; the cover glass assembly has a preset surface connected to the bonding surface, the cover glass assembly having a cavity, and the circuit board assembly being placed in the cavity from the side of the cover glass assembly closer to the glass liquid crystal assembly.

Description

Technical Field

[0001] This application relates to the field of display device technology, and more particularly to a display device. Background Technology

[0002] In existing technology, display screens include a cover glass, a liquid crystal panel (LCD), and integrated circuits (ICs). The ICs are located at the bottom of the LCD panel. To prevent damage to the ICs and for aesthetic reasons, the circuitry needs to be covered. Typically, a back cover is placed behind the ICs to cover the circuitry. To prevent adhesive from touching the circuitry, only the unused portion of the cover glass that doesn't contact the circuitry can be adhered to the back cover. This adhesive strength is insufficient, and the back cover risks detaching. Furthermore, when repairing the display screen, the back cover needs to be removed. Because it's secured with double-sided tape, the circuitry can easily be damaged during disassembly, hindering maintenance. Utility Model Content

[0003] In view of this, the purpose of this application is to provide a display device that can place the circuit board assembly of the glass liquid crystal component in the cavity of the cover plate assembly, and connect the preset surface of the cover plate assembly with the bonding surface of the cover glass, thereby solving the technical problem in the prior art that the back cover is not secure when directly pasted to the cover glass and that the circuit part is damaged during disassembly, thus achieving the technical effect of reducing the risk of falling off and improving the convenience of disassembly.

[0004] In a first aspect, embodiments of this application provide a display device, the display device comprising: a glass liquid crystal assembly, the glass liquid crystal assembly comprising a cover glass, a liquid crystal panel, and a circuit board assembly, wherein the bonding surface of the cover glass is bonded to the display surface of the liquid crystal panel, and the circuit board assembly is connected to the liquid crystal panel; a cover glass assembly, wherein a preset surface of the cover glass assembly is connected to the bonding surface, the cover glass assembly is provided with a cavity, and the circuit board assembly is placed in the cavity from the side of the cover glass assembly closer to the glass liquid crystal assembly.

[0005] Optionally, the cover plate assembly includes: a base plate, wherein a plane of the base plate that contacts the bonding surface serves as the preset surface, a buckle is provided on a first side of the base plate near the glass liquid crystal assembly, the projection areas of the buckle and the circuit board assembly onto the bonding surface do not overlap, and the base plate is provided with a first connecting portion; and a rear cover plate, wherein a groove is provided on the side of the rear cover plate near the glass liquid crystal assembly, the buckle is embedded in the groove, and the rear cover plate is provided with a second connecting portion that matches the first connecting portion to connect the base plate and the rear cover plate, thereby forming the cavity between the base plate and the rear cover plate.

[0006] Optionally, the circuit board assembly includes a circuit board side plate and a plurality of flexible circuit boards spaced apart. The plurality of flexible circuit boards are disposed between the liquid crystal panel and the circuit board side plate. The buckles include a plurality of buckles, wherein the plurality of buckles are arranged in accordance with the interval areas between the plurality of flexible circuit boards. The plurality of flexible circuit boards and the plurality of buckles are arranged alternately, and the circuit board side plate is placed in the cavity.

[0007] Optionally, the plurality of latches protrude from the first side toward the direction of the liquid crystal panel.

[0008] Optionally, the first connecting portion is disposed on the second side of the base plate away from the glass liquid crystal assembly, and the second connecting portion is disposed on the side of the rear cover plate away from the glass liquid crystal assembly.

[0009] Optionally, the first connecting portion is configured as a first connecting through hole, and the second connecting portion is configured as a second connecting through hole, so that a fastener passes through the first connecting through hole and the second connecting through hole to form the cavity between the target surface of the base plate and a plane of the rear cover plate near the glass liquid crystal assembly, wherein the target surface refers to another plane that is disposed opposite to the preset surface.

[0010] Optionally, the first connecting through hole and / or the second connecting through hole are provided with threads, and the fastener includes a screw to connect the first connecting through hole and the second connecting through hole by means of the screw.

[0011] Optionally, the preset surface of the base plate is connected to the bonding surface by means of adhesive.

[0012] Optionally, the cover glass includes a screen-printed area, which includes a projection area of ​​the circuit board assembly onto the bonding surface.

[0013] Optionally, the display device further includes a front cover plate disposed on the side of the cover glass away from the liquid crystal panel, the front cover plate being used to cover the projection area of ​​the circuit board assembly onto the bonding surface.

[0014] This application provides a display device comprising: a glass liquid crystal assembly, the glass liquid crystal assembly including a cover glass, a liquid crystal panel, and a circuit board assembly; the bonding surface of the cover glass is bonded to the display surface of the liquid crystal panel, and the circuit board assembly is connected to the liquid crystal panel; the cover assembly has a pre-defined surface connected to the bonding surface, and the cover assembly has a cavity; the circuit board assembly is placed in the cavity from the side of the cover assembly closest to the glass liquid crystal assembly. This application solves the technical problem in the prior art where the rear cover is directly glued to the cover glass, resulting in instability and damage to the circuitry during disassembly, by placing the circuit board assembly of the glass liquid crystal assembly in the cavity of the cover assembly and connecting the pre-defined surface of the cover assembly to the bonding surface of the cover glass. This achieves the technical effect of reducing the risk of detachment and improving the ease of disassembly.

[0015] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 A schematic diagram of a prior art display device provided in an embodiment of this application is shown.

[0018] Figure 2 A side view of a display device provided in an embodiment of this application is shown.

[0019] Figure 3 This illustration shows a display device provided in an embodiment of the present application. Figure 1 .

[0020] Figure 4 A side view of the cover plate assembly provided in an embodiment of this application is shown.

[0021] Figure 5 A schematic diagram of the circuit board assembly provided in an embodiment of this application is shown.

[0022] Figure 6 An enlarged structural schematic diagram of part A provided in an embodiment of this application is shown.

[0023] Figure 7 A schematic diagram of the rear cover plate provided in an embodiment of this application is shown.

[0024] Figure 8 This illustration shows a display device provided in an embodiment of the present application. Figure 2 . Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of this application. Based on the embodiments of this application, every other embodiment obtained by those skilled in the art without inventive effort falls within the scope of protection of this application.

[0026] Please see Figure 1 , Figure 1 This is a schematic diagram of a prior art display device provided in an embodiment of this application. Figure 1 As shown, the cover glass 101 is placed on the side where the display surface of the LCD panel 102 is located. The LCD panel 102 is connected to the circuit board assembly 103, and the rear cover 104 is placed on the side of the cover glass of the circuit board assembly. That is, the LCD panel and the circuit board assembly are placed on the bonding surface where the cover glass and the LCD panel are attached, and the area of ​​the bonding surface is larger than the projected area of ​​the LCD panel and the circuit board assembly onto the cover glass. The rear cover is placed over the circuit board assembly, and the circuit board assembly is adhered to the bonding surface of the cover glass. However, the rear cover cannot be adhered to the circuit board assembly, resulting in a small bonding area between the rear cover and the cover glass, which may cause the rear cover to detach. Furthermore, during maintenance, it is necessary to separate the rear cover and the cover glass using an adhesive remover, a process that can easily damage the circuit board assembly.

[0027] To address the aforementioned problems, this application provides a display device that places the circuit board assembly of the glass liquid crystal module within the cavity of the cover plate assembly, connecting the pre-defined surface of the cover plate assembly with the bonding surface of the cover glass. This solves the technical problems in the prior art where the rear cover plate is directly glued to the cover glass, resulting in instability and damage to the circuitry during disassembly. This achieves the technical effect of reducing the risk of detachment and improving the ease of disassembly, as detailed below: Please see Figure 2 , Figure 2 This is a side view of a display device provided in an embodiment of this application. Figure 2As shown, the display device provided in this application embodiment includes: a glass liquid crystal assembly, the glass liquid crystal assembly including a cover glass 201, a liquid crystal panel 202 and a circuit board assembly 203, the bonding surface of the cover glass being bonded to the display surface of the liquid crystal panel, and the circuit board assembly being connected to the liquid crystal panel; a cover assembly 204, the preset surface of the cover assembly being connected to the bonding surface, the cover assembly having a cavity, and the circuit board assembly being placed in the cavity from the side of the cover assembly closer to the glass liquid crystal assembly.

[0028] In other words, the bonding surface of the cover glass is bonded to the display surface of the LCD panel. The cover glass and the LCD panel can be bonded using either full lamination or frame bonding. The circuit board assembly is connected to one side of the LCD panel and is located between the LCD panel and the display controller. The display controller controls the display image of the LCD panel through the circuit board assembly. The LCD panel can be an OLED (Organic Light-Emitting Diode) screen, and the cover glass can be made of transparent tempered glass to provide support.

[0029] Furthermore, the circuit board assembly is placed into the cavity of the cover plate assembly from the side of the cover plate assembly closest to the glass liquid crystal assembly. This allows the cover plate assembly to be removed for repair in case of display device malfunction. Because the pre-fitted surface of the cover plate assembly is connected to the bonding surface of the cover glass, the circuit board assembly does not directly contact the cover glass. Compared to existing technologies, the pre-fitted surface of the cover plate assembly adheres to the bonding surface of the cover glass, increasing the contact area and reducing the risk of detachment.

[0030] For example, the cover assembly can be directly configured as an upward-opening cavity. The circuit board assembly is placed into the cavity of the cover assembly from the open side of the cover assembly, and the preset surface of the cover assembly and the bonding surface of the cover glass are glued together with double-sided adhesive to isolate the cover glass and the circuit board assembly through the cover assembly, so as to prevent damage to the circuit board assembly during maintenance.

[0031] Please see Figure 3 , Figure 3 A schematic diagram of a display device provided in an embodiment of this application. Figure 1 .like Figure 3 As shown, the bonding surface of the cover glass 201 is bonded to the display surface of the liquid crystal panel 202, and the circuit board assembly 203 is connected to the liquid crystal panel 202. The projection area of ​​the circuit board assembly onto the bonding surface includes an empty area, that is, the circuit board assembly includes a blank area without circuits.

[0032] Thus, the cover plate assembly includes: a base plate 2041, wherein a plane of the base plate that contacts the bonding surface serves as the preset surface, a buckle is provided on a first side of the base plate near the glass liquid crystal assembly, the projection areas of the buckle and the circuit board assembly onto the bonding surface do not overlap, and the base plate is provided with a first connecting portion; and a rear cover plate 2042, wherein a groove is provided on the side of the rear cover plate near the glass liquid crystal assembly, the buckle is embedded in the groove, and a second connecting portion matching the first connecting portion is provided on the rear cover plate to connect the base plate and the rear cover plate, and to form the cavity between the base plate and the rear cover plate.

[0033] In other words, the base plate and the back cover plate of the circuit board assembly are arranged opposite each other. A flat surface of the base plate that contacts the cover glass serves as the preset surface of the cover plate assembly, and this preset surface of the base plate is connected to the bonding surface by adhesive. A clip provided on the first side of the base plate near the glass liquid crystal assembly can be placed in a blank area on the circuit board assembly where there is no circuitry. Furthermore, the projection areas obtained by the clip and the circuit board assembly projecting onto the bonding surface do not overlap, thus avoiding scratching the circuit board.

[0034] Please see Figure 4 , Figure 4 This is a side view of the cover plate assembly provided in an embodiment of this application. Figure 4 As shown, a groove 20421 is provided on the side of the rear cover plate 2042 near the glass liquid crystal assembly. The groove is used to embed the buckle 20411 provided on the base plate 2041, so that the base plate and the rear cover plate are connected by buckle on the side near the circuit board assembly, so as to form a cavity 2043 between the base plate and the rear cover plate, thereby facilitating the placement of the circuit board assembly in the cavity.

[0035] For example, first covering surfaces located on both sides of the circuit board assembly can also be provided on the front cover, with the two first covering surfaces arranged opposite each other and the distance between the two first covering surfaces being not less than the length of the plurality of flexible circuit boards of the circuit board assembly in the arrangement direction; and / or, second covering surfaces located on both sides of the circuit board assembly can also be provided on the rear cover, with the two second covering surfaces arranged opposite each other and the distance between the two second covering surfaces being not less than the length of the plurality of flexible circuit boards of the circuit board assembly in the arrangement direction. Thus, the sides of the circuit board assembly are covered by the first covering surfaces and / or the second covering surfaces to prevent the side view of the display device from exposing the circuit board.

[0036] The base plate has a first connecting part, and the rear cover plate has a second connecting part that matches the first connecting part, so as to connect the base plate and the rear cover plate by matching and connecting the first connecting part and the second connecting part. For example, the first connecting part and the second connecting part can be connected by adhesive, or the first connecting part and the second connecting part can be connected by a tongue and groove fit.

[0037] For example, please refer to Figure 5 , Figure 5 This is a schematic diagram of a circuit board assembly provided in an embodiment of this application. Figure 5 As shown, the circuit board assembly includes a circuit board side plate 2031 and a plurality of flexible circuit boards 2032 spaced apart, the plurality of flexible circuit boards being disposed between the liquid crystal panel and the circuit board side plate. Furthermore, there is a gap between adjacent flexible circuit boards.

[0038] The circuit board sideboard includes multiple circuit boards, and multiple flexible printed circuit boards (FPCs) are connected to each circuit board sideboard. The circuit board sideboard is a source circuit (S-PCB).

[0039] For example, please refer to Figure 6 , Figure 6 This is an enlarged structural diagram of part A provided in an embodiment of this application. Figure 6 As shown, the latches 20411 include multiple latches, which are arranged correspondingly to the interval areas between multiple flexible circuit boards. The multiple flexible circuit boards and the multiple latches are arranged alternately, and the side plates of the circuit boards are placed in the cavity. The multiple latches protrude from the first side 20412 towards the direction close to the liquid crystal panel.

[0040] In other words, multiple clips protrude from the first side of the base plate, perpendicular to the preset surface and close to the LCD panel, towards the LCD panel. The first side can be a single, continuous side, or one clip can be assigned to one first side. Furthermore, the first sides are arranged alternately. The clips are perpendicular to the first side, and the multiple clips are arranged alternately. A flexible circuit board is placed between two adjacent clips. The clips and flexible circuit boards are alternately arranged, with the clips aligned along the layout direction of the flexible circuit board.

[0041] like Figure 6 As shown, the first connecting portion 20413 is disposed on the second side 20414 of the base plate, which is away from the glass liquid crystal assembly. That is, the second side is perpendicular to the preset surface of the base plate and is disposed on the side away from the glass liquid crystal assembly, and the first connecting portion for connecting the rear cover plate is provided on the second side.

[0042] For example, the first connecting part is set as a first connecting through hole, that is, the first connecting through hole is provided through the second side in a direction parallel to the preset surface.

[0043] For example, please refer to Figure 7 , Figure 7 This is a schematic diagram of the rear cover plate provided in an embodiment of this application. Figure 7 As shown, the second connecting part 20422 is disposed on the side of the rear cover plate away from the glass liquid crystal assembly.

[0044] For example, the second connection portion is configured as a second connection through hole, through which a fastener passes to the first connection through hole and the second connection through hole to form the cavity between the target surface of the base plate and a plane of the rear cover plate near the glass liquid crystal assembly, wherein the target surface refers to another plane disposed opposite to the preset surface.

[0045] For example, the first connecting through hole and / or the second connecting through hole are provided with threads, and the fastener includes a screw to connect the first connecting through hole and the second connecting through hole by means of the screw.

[0046] return Figure 4 The first connecting through hole on the base plate and the second connecting through hole on the rear cover plate are connected by screws 301. Thus, when assembling the display device, after the cover glass is bonded to the LCD panel, the circuit board assembly is flipped upwards to place it on the back of the LCD panel. Then, the preset surface of the base plate is pasted onto the bonding surface of the cover glass. The circuit board assembly is flipped down and placed on the target surface of the base plate, ensuring that the base plate's clips are positioned between the multiple flexible circuit boards of the circuit board assembly. The groove on the rear cover plate is then used to engage the clips, aligning the first connecting through hole on the base plate and the second connecting through hole on the rear cover plate. Finally, the first and second connecting through holes are connected by screws to connect the base plate and the rear cover plate.

[0047] Therefore, when repairing the display device, you only need to remove the screws on the bottom of the back cover, and then push the back cover upwards to make the clips disengage from the grooves in the back cover, so that the back cover can be removed and the circuit board assembly can be repaired directly.

[0048] return Figure 7 The cover glass includes a silkscreen area 2011, which includes a projection area of ​​the circuit board assembly onto the bonding surface.

[0049] In other words, a silkscreen area is set at the bottom of the cover glass. The transparency of the silkscreen area is lower than that of other areas of the cover glass. This silkscreen area covers the circuit board components, preventing them from being directly visible through the cover glass and affecting the aesthetics of the display device.

[0050] Please see Figure 8 , Figure 8 A schematic diagram of a display device provided in an embodiment of this application. Figure 2 .like Figure 8 As shown, the display device also includes a front cover plate 205, which is disposed on the side of the cover glass away from the liquid crystal panel. The front cover plate is used to cover the projection area of ​​the circuit board assembly onto the bonding surface.

[0051] In other words, a glass LCD assembly and a base plate are placed between the front cover and the rear cover. The front cover covers the projection area of ​​the circuit board assembly on the cover glass, preventing the circuit board assembly from being directly visible through the cover glass and affecting the aesthetics of the display device.

[0052] For example, the front cover can be attached to the cover glass by adhesive. The front cover may also have two corresponding third covering surfaces, which at least block the sides of the projected area of ​​the circuit board assembly on the cover glass. The third covering surfaces of the front cover may also connect to the rear cover, or the third covering surface of the front cover may also connect to the second covering surface of the rear cover, so that the front and rear covers together surround the glass liquid crystal assembly and the base plate.

[0053] Furthermore, this application increases the bonding area and reduces the risk of detachment by attaching the pre-set surface of the base plate to the cover glass, and provides a detachable back cover plate that matches the base plate for easy maintenance.

[0054] In the description of this application, it should be noted that the terms "inner" and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use. They are used only for the convenience of describing this application and for 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. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0055] It should also be noted that, unless otherwise explicitly specified and limited, the terms "setup" and "connection" 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 direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0056] The above description is merely an embodiment of this application and is not intended to limit the scope of protection of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A display device, characterized in that, The display device includes: A glass liquid crystal assembly, comprising a cover glass, a liquid crystal panel, and a circuit board assembly, wherein the bonding surface of the cover glass is bonded to the display surface of the liquid crystal panel, and the circuit board assembly is connected to the liquid crystal panel; A cover plate assembly, wherein a preset surface of the cover plate assembly is connected to the bonding surface, the cover plate assembly has a cavity, and the circuit board assembly is placed in the cavity from the side of the cover plate assembly near the glass liquid crystal assembly.

2. The display device according to claim 1, characterized in that, The cover plate assembly includes: A base plate, wherein a plane of the base plate that contacts the bonding surface serves as the preset surface, and a buckle is provided on a first side of the base plate near the glass liquid crystal assembly, wherein the projection areas of the buckle and the circuit board assembly onto the bonding surface do not overlap, and a first connecting part is provided on the base plate; The rear cover plate has a groove on the side of the rear cover plate near the glass liquid crystal assembly, the buckle is inserted into the groove, and the rear cover plate has a second connecting part that matches the first connecting part to connect the bottom plate and the rear cover plate, and form the cavity between the bottom plate and the rear cover plate.

3. The display device according to claim 2, characterized in that, The circuit board assembly includes a circuit board side plate and a plurality of flexible circuit boards spaced apart, the plurality of flexible circuit boards being disposed between the liquid crystal panel and the circuit board side plate, and the latches comprising multiple components. The multiple buckles are arranged according to the interval areas between the multiple flexible circuit boards, the multiple flexible circuit boards and the multiple buckles are arranged alternately, and the side plate of the circuit board is placed in the cavity.

4. The display device according to claim 3, characterized in that, The plurality of buckles protrude from the first side toward the direction of the liquid crystal panel.

5. The display device according to claim 2, characterized in that, The first connecting portion is disposed on the second side of the base plate away from the glass liquid crystal assembly, and the second connecting portion is disposed on the side of the rear cover plate away from the glass liquid crystal assembly.

6. The display device according to claim 5, characterized in that, The first connecting part is configured as a first connecting through hole, and the second connecting part is configured as a second connecting through hole, so that a fastener passes through the first connecting through hole and the second connecting through hole to form the cavity between the target surface of the base plate and a plane of the rear cover plate near the glass liquid crystal assembly. The target surface refers to another plane that is opposite to the preset surface.

7. The display device according to claim 6, characterized in that, The first connecting through hole and / or the second connecting through hole are provided with threads, and the fastener includes a screw to connect the first connecting through hole and the second connecting through hole by means of the screw.

8. The display device according to claim 2, characterized in that, The preset surface of the base plate is connected to the bonding surface by adhesive.

9. The display device according to claim 1, characterized in that, The cover glass includes a screen-printed area, which includes a projection area of ​​the circuit board assembly onto the bonding surface.

10. The display device according to claim 1, characterized in that, The display device further includes a front cover plate, which is disposed on the side of the cover glass away from the liquid crystal panel. The front cover plate is used to cover the projection area of ​​the circuit board assembly onto the bonding surface.

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