Display device
By adopting a design that integrates a unibody housing and a base plate for the light source assembly in the display device, the backlight module structure is simplified, solving the problem of excessive display thickness and achieving a thinner and lighter effect.
Patent Information
- Application Number
- CN202520317120.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-25
AI Technical Summary
The current thickness of displays is relatively large, which affects the design of thinner and lighter displays. This is mainly due to the increased thickness of the display caused by the assembly structure of the backlight module and the display panel.
The design features a unibody housing with the light source assembly mounted on the bottom plate of the housing. This eliminates the back frame of the backlight module, simplifying the structure, and reduces the thickness through optimization of the light guide plate and optical film.
It achieves a thinner and lighter design for the display device, simplifies the backlight module structure, and reduces the overall thickness of the display.
Smart Images

Figure CN223742904U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of display, in particular to a display device. BACKGROUND
[0002] With the development of display, users have higher and higher requirements on the appearance of display, such as thinning, narrow frame or four sides without frame of display.
[0003] For the existing display, the backlight module and the display panel are usually arranged in the bottom shell with a receiving cavity, and the top shell covers the edge of the display panel and cooperates with the bottom shell to realize the assembly of the display. The separate arrangement of the top shell and the bottom shell increases the thickness of the display, which is not conducive to the thin design of the product. UTILITY MODEL CONTENT
[0004] The present application provides a display device to improve the problem of thick thickness of the existing display.
[0005] To solve the above-mentioned scheme, the technical scheme provided by the present application is as follows:
[0006] The present application provides a display device, which comprises:
[0007] The shell comprises a bottom plate and a side plate arranged integrally, and the bottom plate and the side plate form a receiving cavity;
[0008] The light source assembly is arranged in the receiving cavity, and the light source assembly is in contact with the surface of the bottom plate close to the side plate;
[0009] The display panel is arranged on the side of the light source assembly away from the bottom plate, and the display panel is in contact with the surface of the side plate away from the bottom plate.
[0010] Optionally, the display device further comprises:
[0011] The reflective layer is in contact with the surface of the bottom plate close to the side plate;
[0012] The light guide plate is arranged on the surface of the reflective layer away from the bottom plate;
[0013] The optical film is arranged on the surface of the light guide plate away from the bottom plate;
[0014] The light source assembly is arranged between the side surface of the light guide plate and the side plate.
[0015] Optionally, the light source assembly further comprises a driving circuit and a light source device electrically connected, and the light source device is arranged on the side of the driving circuit away from the bottom plate;
[0016] The driving circuit is embedded in the bottom plate near one side of the side plate.
[0017] Optionally, the driving circuit and the light guide plate are arranged non-overlappingly.
[0018] Optionally, the optical film includes a first part near the light source assembly and a second part away from the light source assembly, and the first part and the second part are arranged oppositely.
[0019] The display device further includes a first light shielding part and a second light shielding part, the first light shielding part covers the light source assembly and the first part, and the second light shielding part covers the second part.
[0020] Optionally, the side plate includes a first sub-plate and a second sub-plate arranged oppositely, and the first sub-plate is arranged adjacent to the light source assembly.
[0021] The second sub-plate is provided with a step near one side of the light guide plate, and a surface of the second sub-plate away from the bottom plate and a light exit surface of the optical film are located in the same plane.
[0022] Optionally, the display panel includes an array substrate and a color film substrate arranged oppositely, and a surface of the array substrate away from the color film substrate is in contact with the side plate.
[0023] The peripheral side surface of the array substrate and the peripheral side surface of the corresponding side plate are located in the same plane.
[0024] Optionally, the display device further includes a protection structure, and the protection structure includes a first protection segment, a second protection segment and a third protection segment connected with each other.
[0025] The first protection segment is in contact with a surface of the display panel away from the bottom plate at an end away from the second protection segment, the second protection segment is arranged on a side of the side plate away from the accommodating cavity, and the second protection segment is arranged oppositely to the side plate, and the third protection segment is in contact with a surface of the bottom plate away from the display panel.
[0026] Optionally, the display device further includes:
[0027] A flexible connecting piece, one end of the flexible connecting piece is bound to the display panel
[0028] A printed circuit board, arranged between the bottom plate and the third protection segment, and the printed circuit board is bound to the other end of the flexible connecting piece.
[0029] Optionally, the display panel further comprises an upper polarizer arranged on a side of the display panel away from the bottom plate, and an end of the first protection section away from the second protection section is arranged in a spaced manner with the upper polarizer, and a thickness of the first protection section is equal to a thickness of the upper polarizer.
[0030] Other features and advantages of the present application will be described in detail in the following detailed description. BRIEF DESCRIPTION OF DRAWINGS
[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort on the basis of these drawings.
[0032] In order to more completely understand the present application and its advantages, the following will be described in conjunction with the drawings, wherein the same reference numerals in the following description represent the same parts.
[0033] Figure 1 A first structure diagram of a display device provided by the embodiments of the present application;
[0034] Figure 2 A film layer schematic diagram of a display panel in a display device provided by the embodiments of the present application;
[0035] Figure 3 A second structure diagram of a display device provided by the embodiments of the present application.
[0036] Explanation of reference numerals:
[0037] 10- display device;
[0038] 100- display panel; 110- array substrate; 111- first substrate; 114- array layer; 114a- gate layer; 114b- gate insulating layer; 114c- active layer; 114d- source / drain layer; 114e- passivation layer; 114f- pixel electrode layer;
[0039] 120- color film substrate; 121- second substrate; 122- color resistance layer; 122A- color resistance unit; 123- common electrode layer; 124- light shielding layer; 124A- light shielding unit;
[0040] 200- backlight module; 210- light source assembly; 211- light source device; 212- driving circuit; 220- light guide plate; 240- reflecting layer; 250- optical film; 251- first part; 252- second part; 261- first light shielding part; 262- second light shielding part;
[0041] 300 - housing; 300a - accommodating cavity; 310 - bottom plate; 320 - side plate; 321 - first sub-plate; 322 - second sub-plate; 322a - step;
[0042] LC - liquid crystal layer; 130 - frame glue; POL1 - upper polarizer; POL2 - lower polarizer;
[0043] 400 - protective structure; 410 - first protective segment; 420 - second protective segment; 430 - third protective segment;
[0044] 500 - flexible connecting piece; 600 - printed circuit board; 700 - adhesive material. DETAILED DESCRIPTION
[0045] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0046] Please refer to Figures 1 to 3 The present application provides a display device 10, which comprises a housing 300 and a backlight module 200 and a display panel 100 located in the housing 300. The housing 300 comprises a bottom plate 310 and a side plate 320 which are integrally arranged, and the bottom plate 310 and the side plate 320 form an accommodating cavity 300a; the backlight module 200 comprises a light source assembly 210, the light source assembly 210 is arranged in the accommodating cavity 300a, and the light source assembly 210 is in contact with the surface of the bottom plate 310 close to the side plate 320; the display panel 100 is arranged on the side of the light source assembly 210 away from the bottom plate 310, and the display panel 100 is in contact with the surface of the side plate 320 away from the bottom plate 310.
[0047] The current display device 10 generally comprises a housing 300 and a backlight module 200 and a display panel 100 located in the housing 300, and the backlight module 200 comprises a back frame and a light source assembly 210 arranged in the back frame, and the arrangement of the back frame increases the overall thickness of the product; and the present application removes the back frame of the backlight module 200 by arranging an integrally formed housing 300 and arranging the light source assembly 210 on the bottom plate 310 of the housing 300, simplifies the structure of the backlight module 200, reduces the thickness of the display device 10, and realizes the lightweight design of the product.
[0048] The technical solutions of the present application will be described in combination with specific embodiments.
[0049] Please refer toFigure 2 The display panel 100 includes an array substrate 110 and a color film substrate 120 arranged opposite to the array substrate 110, and a liquid crystal layer LC arranged between the array substrate 110 and the color film substrate 120.
[0050] Referring to Figure 2 The array substrate 110 can include a first substrate 111 and an array layer 114 arranged on the first substrate 111, and the array layer 114 can include a plurality of thin film transistors. The thin film transistors can be etch-stop type, back channel etch type, or divided into bottom-gate thin film transistors, top-gate thin film transistors and the like according to the position of the gate and the active layer.
[0051] For example, the thin film transistors of the bottom-gate thin film transistor type can include a gate layer 114a arranged on the first substrate 111, a gate insulating layer 114b arranged on the gate layer 114a, an active layer arranged on the gate insulating layer 114b, a source-drain layer 114d arranged on the active layer, a passivation layer 114e arranged on the source-drain layer 114d, and a pixel electrode layer 114f arranged on the passivation layer 114e.
[0052] Referring to Figure 2 The color film substrate 120 can include a second substrate 121, a color resistance layer 122 arranged on the second substrate 121, a light shielding layer 124 arranged in the same layer as the color resistance layer 122, and a common electrode layer 123 arranged on the side of the color resistance layer 122 away from the second substrate 121, and the electric field formed by the common electrode layer 123 and the pixel electrode layer 114f drives the liquid crystal molecules in the liquid crystal layer LC to deflect.
[0053] In the embodiment, the color resistance layer 122 includes a plurality of color resistance units 122A arranged at intervals, and the light shielding layer 124 includes a light shielding unit 124A arranged between two adjacent color resistance units 122A, and the plurality of light shielding units 124A can form a mesh structure.
[0054] Referring to Figure 2 The display panel 100 further includes a frame glue 130 arranged between the array substrate 110 and the color film substrate 120, and the frame glue 130 is arranged at the periphery of the display panel 100.
[0055] In the embodiment, the materials of the first substrate 111 and the second substrate 121 can be glass, quartz or polyimide and the like.
[0056] Referring to Figure 1 and Figure 3The shell 300 can include a bottom plate 310 and a side plate 320 which can be arranged around the periphery of the bottom plate 310, and the bottom plate 310 and the side plate 320 can be integrally formed; for example, the present application can be regularly grooved on the shell 300 to form a shell 300 with a containing cavity 300a.
[0057] In the embodiment, the bottom plate 310 and the side plate 320 can be arranged at an angle, for example, the bottom plate 310 and the side plate 320 can be arranged vertically.
[0058] It should be noted that the backlight module 200 of the present application can also be a direct type backlight module or a side type backlight module 200, and the following embodiments will be described by taking the side type backlight module in Figure 1 and Figure 3 as an example.
[0059] In the embodiment, the backlight module 200 can include a light source assembly 210, a light guide plate 220, a reflective layer 240 and an optical film 250 located in the containing cavity 300a of the shell 300, the reflective layer 240 is in contact with the surface of the bottom plate 310 close to one side of the side plate 320, the light guide plate 220 is arranged on the surface of the reflective layer 240 away from the bottom plate 310, the optical film 250 is arranged on the surface of the light guide plate 220 away from the bottom plate 310, and the light source assembly 210 is arranged between one side surface of the light guide plate 220 and the side plate 320.
[0060] For example, the side plate 320 can include a first sub-plate 321 and a second sub-plate 322 arranged oppositely, and the first sub-plate 321 is arranged adjacent to the light source assembly 210.
[0061] In the embodiment, in the direction from the light guide plate 220 to the display panel 100, the optical film 250 can include a lower prism sheet, a lower diffusion sheet, an upper diffusion sheet, an upper prism sheet, etc.
[0062] Please refer to Figure 1 and Figure 3 The light source assembly 210 can include a driving circuit 212 and a light source device 211 electrically connected, the light source device 211 is arranged on the side of the driving circuit 212 away from the bottom plate 310, and the driving circuit 212 is used to control the light emission of the light source device 211.
[0063] In the embodiment, the driving circuit 212 can be embedded on one side of the bottom plate 310 close to the side plate 320; for example, the driving circuit 212 can be etched on the surface of the bottom plate 310 facing the display panel 100 by etching process, and the light source device 211 can be assembled in the driving circuit 212 by SMT (Surface Mount Technology) process, so that the light source assembly 210 and the shell 300 are integrated.
[0064] In the embodiment, the light source device 211 can be LED, MiniLED or MicroLED, etc.
[0065] In the embodiment, the reflective layer 240 can be a reflective coating; for example, the reflective coating can be coated on the surface of the bottom plate 310 facing the display panel 100, so that the light emitted by the light source device 211 is guided to the optical film 250 by the light guide plate 220, and the setting of the reflective coating reduces the thickness of the backlight module 200 as a whole.
[0066] In the embodiment, the driving circuit 212 and the light guide plate 220 are arranged non-overlappingly. The light source assembly 210 in the prior art includes the light source device 211 and the flexible circuit board, and in order to fix the positions of the light source device 211 and the light guide plate 220, the flexible circuit board and the light guide plate 220 are usually bonded by adhesive, that is, the flexible circuit board and the light guide plate 220 have an overlapping part; however, in the present application, the light guide plate 220 and the light source assembly 210 are directly arranged on the bottom plate 310, and the positions of the two are fixed, so that the adhesive is not needed, and the driving circuit 212 and the light guide plate 220 can be arranged non-overlappingly.
[0067] Please refer to Figure 1 and Figure 3 , the optical film 250 can include a first part 251 close to the light source assembly 210 and a second part 252 away from the light source assembly 210, and the first part 251 and the second part 252 are arranged oppositely; at the same time, in order to avoid light leakage at the edge of the display panel 100, the backlight module 200 can further include a first light shielding part 261 and a second light shielding part 262, the first light shielding part 261 covers the light source assembly 210 and the first part 251, and the second light shielding part 262 covers the second part 252.
[0068] Please refer to Figure 1 and Figure 3 , the second sub-plate 322 is provided with a step 322a on one side close to the light guide plate 220, and the surface of the step 322a away from the bottom plate 310 and the light exit surface of the optical film 250 are located in the same plane.
[0069] Meanwhile, in order to avoid the technical problem of light leakage at the position of the second portion 252, the second light shielding portion 262 of the present application can cover the second portion 252 and the step 322a at the same time.
[0070] Please refer to Figure 1 and Figure 3 The surface of the array substrate 110 away from the color film substrate 120 is in contact with the side plate 320, that is, the array substrate 110 can be overlapped on the surface of the side plate 320 away from the bottom plate 310 to cover the accommodating cavity 300a of the shell 300.
[0071] In the embodiment, the peripheral side of the array substrate 110 and the peripheral side of the corresponding side plate 320 are in the same plane.
[0072] It should be noted that the step 322a and the light emitting surface of the optical film 250 of the present application are in the same plane, and the side of the array substrate 110 and the peripheral side of the side plate 320 are in the same plane, which can be equivalent to being flush within an error range.
[0073] Please refer to Figure 3 Since the periphery of the display panel 100 is exposed to the outside, in order to protect the display panel 100, the present application can also provide a protection structure 400 on the periphery of the display device 10, and the protection structure 400 includes a first protection section 410, a second protection section 420 and a third protection section 430 connected with each other.
[0074] In the embodiment, the end of the first protection section 410 away from the second protection section 420 is in contact with the surface of the display panel 100 away from the bottom plate 310, the second protection section 420 is arranged on the side of the side plate 320 away from the accommodating cavity 300a, and the second protection section 420 is arranged opposite to the side plate 320, and the third protection section 430 is in contact with the surface of the bottom plate 310 away from the display panel 100.
[0075] In the embodiment, the first protection section 410 and the third protection section 430 can be arranged in parallel, and the second protection section 420 is arranged perpendicular to the first protection section 410 and the third protection section 430.
[0076] In the embodiment, the first protection section 410, the second protection section 420 and the third protection section 430 can be formed by bending the same material.
[0077] Please refer to Figure 2 and Figure 3The display panel 100 further comprises an upper polarizer POL1 and a lower polarizer POL2. The upper polarizer POL1 is arranged on a surface of the color filter substrate 120 away from the array substrate 110, and the lower polarizer POL2 is arranged on a surface of the array substrate 110 away from the color filter substrate 120, i.e., the upper polarizer POL1 is arranged on a surface of the second substrate 121 away from the array substrate 110, and the lower polarizer POL2 is arranged on a surface of the first substrate 111 away from the color filter substrate 120.
[0078] In the embodiment, the first protective segment 410 and the upper polarizer POL1 are both arranged on the surface of the second substrate 121. In order to ensure that the appearance of the display device 10 is flat, the thickness of the upper polarizer POL1 of the present application can be the same as the thickness of the first protective segment 410.
[0079] It should be noted that due to the factors of process errors, the thickness of the upper polarizer POL1 can be equivalent to the thickness of the first protective segment 410, and the difference between the thicknesses of the two can be within the error range, so that the display surface of the display device 10 is visually a flat plane.
[0080] In the embodiment, the material of the protection structure 400 of the present application can be a metal sheet or other non-metallic thin material, for example, the material of the protection structure 400 can be stainless steel.
[0081] In the embodiment, the thickness of the protection structure 400 of the present application can be 0.1 mm to 0.2 mm, for example, the thickness of the protection structure 400 of the present application can be 0.15 mm.
[0082] Please refer to Figure 3 , for example, the distance between the upper polarizer POL1 and the first protective segment 410 can be 0.8 mm.
[0083] Please refer to Figure 3 The display device 10 can further comprise a flexible connecting piece 500 and a printed circuit board 600. The printed circuit board 600 can be arranged between the bottom plate 310 and the third protective segment 430. One end of the flexible connecting piece 500 can be bound and connected with a terminal portion of the array substrate 110, and the other end of the flexible connecting piece 500 is bound and connected with the printed circuit board 600.
[0084] In the embodiment, the flexible connecting piece 500 can be a chip on film.
[0085] In the embodiment, the third protective segment 430 can be bonded with the printed circuit board 600 through an adhesive 700, for example, the adhesive 700 can be UV adhesive.
[0086] Please refer to Figure 3 In order to ensure the flatness of the bottom plate 310 away from one side surface of the side plate 320, the peripheral surface of the bottom plate 310 away from one side of the side plate 320 can be provided with a notch, and the printed circuit board 600 and the third protection section 430 can be arranged in the notch; at the same time, since the notch close to the first sub-plate 321 needs to be provided with the printed circuit board 600, the depth of the notch close to the first sub-plate 321 is greater than the depth of other notches.
[0087] It should be noted that the display device of the present application can be any product or component with display function, such as mobile phone, tablet computer, television, display, notebook computer, digital photo frame, navigator, etc.
[0088] The present application provides a display device; the display device comprises a shell, a light source assembly and a display panel, the shell comprises an integrally formed bottom plate and a side plate, the bottom plate and the side plate form an accommodating cavity, the light source assembly is arranged in the accommodating cavity, the light source assembly is in contact with the surface of the bottom plate close to one side of the side plate, and the display panel is in contact with the surface of the side plate away from one side of the bottom plate; the present application sets an integrally formed shell, and sets the light source assembly on the bottom plate of the shell, removes the original back frame of the backlight module, simplifies the structure of the backlight module, reduces the thickness of the display device, and realizes the lightweight design of the product.
[0089] In the description of the present application, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0090] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.
[0091] The embodiments, implementation manners and related technical features of the present application can be combined, replaced with each other without conflict.
[0092] The above is only the preferred embodiment of the present application, and does not limit the present application in any form, but any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiment, without departing from the technical solution of the present application, still belongs to the scope of the technical solution of the present application.
Claims
1. A display device, characterized by comprising: The display device comprises: a housing comprising a bottom plate and a side plate arranged integrally, the bottom plate and the side plate enclosing a receiving cavity; a light source assembly arranged in the receiving cavity, and the light source assembly is in contact with the surface of the bottom plate close to the side plate; a display panel arranged on the side of the light source assembly away from the bottom plate, and the display panel is in contact with the surface of the side plate away from the bottom plate.
2. The display device of claim 1, wherein, The display device further comprises: a reflective layer in contact with the surface of the bottom plate close to the side plate; a light guide plate arranged on the surface of the reflective layer away from the bottom plate; an optical film arranged on the surface of the light guide plate away from the bottom plate; wherein the light source assembly is arranged between the side surface of the light guide plate and the side plate.
3. The display device of claim 2, wherein, The light source assembly comprises a driving circuit and a light source device electrically connected, and the light source device is arranged on the side of the driving circuit away from the bottom plate; wherein the driving circuit is embedded in the side of the bottom plate close to the side plate.
4. The display device of claim 3, wherein The driving circuit and the light guide plate are arranged non-overlappingly.
5. The display device of claim 2, wherein, The optical film comprises a first part close to the light source assembly and a second part away from the light source assembly, and the first part and the second part are arranged oppositely; wherein the display device further comprises a first light shielding part and a second light shielding part, the first light shielding part covers the light source assembly and the first part, and the second light shielding part covers the second part.
6. The display device of claim 2, wherein The side plate comprises a first sub-plate and a second sub-plate arranged oppositely, and the first sub-plate is arranged adjacent to the light source assembly; wherein the second sub-plate is provided with a step on the side close to the light guide plate, and the surface of the step away from the bottom plate and the light exit surface of the optical film are located in the same plane.
7. The display device according to any one of claims 1 to 6, wherein The display panel comprises an array substrate and a color film substrate arranged oppositely, and the surface of the array substrate away from the color film substrate is in contact with the side plate; wherein the peripheral side surface of the array substrate and the peripheral side surface of the corresponding side plate are located in the same plane.
8. The display device according to any one of claims 1 to 6, wherein The display device further comprises a protection structure comprising a first protection segment, a second protection segment and a third protection segment connected; wherein the end of the first protection segment away from the second protection segment is in contact with the surface of the display panel away from the bottom plate, the second protection segment is arranged on the side of the side plate away from the receiving cavity, and the second protection segment is arranged oppositely to the side plate, and the third protection segment is in contact with the surface of the bottom plate away from the display panel.
9. The display device of claim 8, wherein, The display device further comprises: a flexible connecting piece, one end of the flexible connecting piece is bound to the display panel a printed circuit board arranged between the bottom plate and the third protection segment, and the other end of the flexible connecting piece is bound to the printed circuit board.
10. The display device of claim 8, wherein, The display panel further comprises an upper polarizing film arranged on the side of the display panel away from the bottom plate, the end of the first protection segment away from the second protection segment is arranged spaced apart from the upper polarizing film, and the thickness of the first protection segment is equal to the thickness of the upper polarizing film.