CN220208038U

CN220208038U - Display module and display device

Info

Publication number: CN220208038U
Application number: CN202322095392.1U
Authority: CN
Inventors: 刘新宇; 辛武根; 倪明明; 洪梦君
Original assignee: Suzhou China Star Optoelectronics Technology Co Ltd
Current assignee: Suzhou China Star Optoelectronics Technology Co Ltd
Priority date: 2023-08-04
Filing date: 2023-08-04
Publication date: 2023-12-19
Anticipated expiration: 2033-08-04

Abstract

The utility model provides a display module and a display device, wherein the display module comprises: a back plate; the display panel is positioned on one side surface of the backboard; the optical plate is positioned on one side surface of the display panel, which is away from the backboard; the first adhesive frame comprises a first connecting section and a second connecting section which are sequentially connected, wherein the first connecting section is attached to the backboard, and the second connecting section is attached to the display panel; wherein, an adhesive tape is arranged between the second connecting section and the display panel; according to the display module and the display device provided by the utility model, the reworkability of the display module and the display device can be improved by arranging the adhesive tape between the first adhesive frame and the display panel.

Description

Display module and display device

Technical Field

The utility model relates to the field of display, in particular to a display module and a display device.

Background

At present, outdoor naked eye 3D display on the market is mainly based on a light emitting diode (Light Emitting Diode, LED) display screen, a screen body adopts a folded angle design, a viewer can enjoy real 3D images under the naked eyes by combining 3D video materials, the left eye and the right eye respectively see images with certain displacement difference by utilizing physical visual angle difference, the displayed 2D images are perceived as visual illusions of the 3D images, and therefore distance sense and stereoscopic impression are generated, but the display technology has the problem of poor reworkability at present.

Disclosure of Invention

The utility model provides a display module and a display device, which improve reworkability of the display module and the display device.

The utility model provides a display module, comprising:

a back plate;

the display panel is positioned on one side surface of the backboard;

the optical plate is positioned on one side surface of the display panel, which is away from the backboard;

the first adhesive frame comprises a first connecting section and a second connecting section which are sequentially connected, wherein the first connecting section is attached to the back plate, and the second connecting section is attached to the display panel; and an adhesive tape is arranged between the second connecting section and the display panel.

In some embodiments, the back plate includes a body and a bezel; the frame is located the both ends of body, first linkage segment with the frame laminating.

In some embodiments, the body includes a first support plate and a second support plate connected to each other, the first support plate extending in a first direction of the display module, the second support plate extending in a second direction of the display module, the first direction and the second direction intersecting.

In some embodiments, the optical plate includes a first connection plate and a second connection plate connected to each other, the first connection plate extending in the first direction, the second connection plate extending in the second direction, the first connection plate having a first connection face, the second connection plate having a second connection face, the first and second connection faces being diagonally spliced.

In some embodiments, the display module further comprises an optical film layer positioned between the back plate and the display panel;

the display panel comprises a first liquid crystal panel and a second liquid crystal panel, the first liquid crystal panel is positioned between the first connecting plate and the first supporting plate, and the second liquid crystal panel is positioned between the second connecting plate and the second supporting plate;

along the first direction, the orthographic projection of the first liquid crystal panel covers the orthographic projection of the optical film layer; and, a step of, in the first embodiment,

and along the second direction, the orthographic projection of the second liquid crystal panel covers the orthographic projection of the optical film layer.

In some embodiments, the optical film layer includes a reflective sheet, a light guide plate, a light homogenizing plate and a light increasing plate that are sequentially stacked, and one side surface of the reflective sheet is attached to the body.

In some embodiments, the display module further includes a second glue frame, where the second glue frame is located at a side of the optical film layer facing away from the first glue frame;

along the first direction, the orthographic projection of the first liquid crystal panel is overlapped with the orthographic projections of the optical film layer and the second rubber frame; and, a step of, in the first embodiment,

and along the second direction, the orthographic projection of the second liquid crystal panel is overlapped with the orthographic projections of the optical film layer and the second rubber frame.

In some embodiments, the display module further includes a first adhesive layer, where the first adhesive layer is located between the second adhesive frame and the display panel.

In some embodiments, the display module further includes a light source, where the light source is located in a receiving cavity formed by enclosing the optical film layer and the frame.

In some embodiments, the display module further includes a second glue layer between the display panel and the optical plate.

Correspondingly, the utility model also provides a display device which comprises the display module.

According to the display module and the display device, the adhesive tape is arranged between the first adhesive frame and the display panel, so that reworkability of the display module can be improved; by adopting the integrated backboard, the splicing complexity of the display module and the display device is reduced; by adopting the transparent second rubber frame, the generation of shadow at the right angle can be avoided; the reworkability of the display module and the display device can be improved by adopting the second adhesive layer to fix the display panel and the optical plate; by using diagonally spliced optical plates, light rays can be made to have different refractive indexes between the display panel and the optical plates, and diagonally spliced slits can be eliminated.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a display module according to the present utility model;

fig. 2 is an enlarged view of the area a in fig. 1.

In the drawings, the components represented by the respective reference numerals are as follows:

10. a back plate; 11. a body; 111. a first support plate; 112. a second support plate; 12. a frame; 20. a display panel; 21. a first liquid crystal panel; 22. a second liquid crystal panel; 30. an optical plate; 31. a first connection plate; 311. a first connection surface; 32. a second connecting plate; 321. a second connection surface; 40. a first rubber frame; 50. an adhesive tape; 60. an optical film layer; 61. a reflection sheet; 62. a light guide plate; 63. a light homogenizing plate; 64. a light increasing plate; 70. a second rubber frame; 80. a first adhesive layer; 90. a light source; 100. a receiving chamber; 110. a second adhesive layer; 120. and a current board.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

The terms "first," "second," "third," "fourth," and the like herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The terms of directions such as up, down, left, right are only referring to the directions of the attached drawings. Therefore, the use of numerical, directional and positional relationship terms is intended to illustrate and understand the present utility model, and is not intended to limit the present utility model. In the drawings, like structural elements are denoted by like reference numerals.

The embodiment of the utility model provides a display module and a display device, and the utility model is described in detail below with reference to specific embodiments.

Referring to fig. 1-2, a display module includes a back plate 10, a display panel 20, an optical plate 30, and a first frame 40; the display panel 20 is located on one side of the back plate 10; the optical plate 30 is located on a side surface of the display panel 20 facing away from the back plate 10; the first glue frame 40 comprises a first connecting section 41 and a second connecting section 42 which are sequentially connected, wherein the first connecting section 41 is attached to the back plate 10, and the second connecting section 42 is attached to the display panel 20; wherein, an adhesive tape 50 is disposed between the second connection section 42 and the display panel 20.

The material of the optical plate 30 includes transparent polymethyl methacrylate (Polymethyl Methacrylate, PMMA); the first frame 40 may be a black frame that shields light; the tape 50 may be a foam tape.

The foam adhesive tape is made by coating solvent type (or hot melt type) pressure-sensitive adhesive on one or both sides of a base material of Ethylene Vinyl Acetate (EVA) or Polyethylene (PE) foam, and then manufacturing release paper.

The utility model realizes the connection between the first glue frame 40 and the display panel 20 by arranging the adhesive tape 50 between the first glue frame 40 and the display panel 20, and improves the reworkability of the display module.

In some embodiments, the back plate 10 includes a body 11 and a rim 12; the frame 12 is located at two ends of the body 11, and the first connecting section 41 is attached to the frame 12.

The body 11 and the frame 12 are integrally formed; specifically, the body 11 and the frame 12 may be connected at a 90 ° turning angle.

The present utility model reduces the complexity of the display module assembly by employing an integrated back plate 10.

In some embodiments, the body 11 includes a first support plate 111 and a second support plate 112 connected to each other, the first support plate 111 extending along a first direction X of the display module, and the second support plate 112 extending along a second direction Y of the display module, the first direction X and the second direction Y crossing.

The first support plate 111, the second support plate 112 and the frame 12 are integrally formed; specifically, the first support plate 111 and the second support plate 112 may be connected at a 90 ° turn angle.

In some embodiments, the optical plate 30 includes a first connection plate 31 and a second connection plate 32 connected to each other, the first connection plate 31 extending in the first direction X, the second connection plate 32 extending in the second direction Y, the first connection plate 31 having a first connection surface 311, the second connection plate 32 having a second connection surface 321, the first connection surface 311 and the second connection surface 321 being diagonally spliced.

The utility model can make the light have different refractive indexes between the display panel 20 and the optical plate 30 by adopting the diagonally spliced optical plate 30, thereby eliminating the diagonally spliced gap.

In some embodiments, the display module further includes an optical film layer 60 positioned between the back plate 10 and the display panel 20; the display panel 20 includes a first liquid crystal panel 21 and a second liquid crystal panel 22, the first liquid crystal panel 21 being located between the first connection plate 31 and the first support plate 111, the second liquid crystal panel 22 being located between the second connection plate 32 and the second support plate 112; along the first direction X, the front projection of the first liquid crystal panel 21 covers the front projection of the optical film layer 60; and, in the second direction Y, the orthographic projection of the second liquid crystal panel 22 covers the orthographic projection of the optical film layer 60.

The light emitted by the light source 90 enters the display panel 20 through the optical film layer 60, and the utility model can improve the resolution of naked eyes in 3D unit area by controlling the orthographic projection of the first liquid crystal panel 21 in the first direction X to cover the orthographic projection of the optical film layer 60 in the first direction X and controlling the orthographic projection of the second liquid crystal panel 22 in the second direction X to cover the orthographic projection of the optical film layer 60 in the second direction X.

In some embodiments, the optical film layer 60 includes a reflective sheet 61, a light guide plate 62, a light homogenizing plate 63, and a light increasing plate 64, which are sequentially stacked, and one side surface of the reflective sheet 61 is attached to the body 11.

Specifically, the reflective sheet 61 is configured to reflect light into the light guide plate 62; the light guide plate 62 is used for guiding out the light reflected from the reflecting sheet 61 into the light guide plate 62; the light-homogenizing plate 63 is used for uniformly dispersing the light led out from the light-guiding plate 62, and has a function of homogenizing light; the light-increasing plate 64 is used for increasing the light intensity from the light-homogenizing plate 63 and has the function of increasing the brightness of the backlight. The light increasing plate 64 may be a prism sheet; the light homogenizing plate 63 may be a diffusion sheet.

In some embodiments, the display module further includes a second glue frame 70, where the second glue frame 70 is located at a side edge of the optical film layer 60 facing away from the first glue frame 40; along the first direction X, the front projection of the first liquid crystal panel 21 overlaps with the front projections of the optical film layer 60 and the second bezel 70; and, along the second direction Y, the orthographic projection of the second liquid crystal panel 22 overlaps the orthographic projections of the optical film layer 60 and the second bezel 70.

The second adhesive frame 70 is made of a transparent material, and specifically, the second adhesive frame 70 may be one or two of toughened glass, polycarbonate (PC), polyethylene terephthalate (Polyethylene Terephthalate, PET), transparent Polyimide (PI) and polymethyl methacrylate (Polymethyl Methacrylate, PMMA).

The utility model can avoid generating the shadow at the right angle by arranging the transparent second glue frame 70 on one side edge of the optical film layer 60 away from the first glue frame 40.

In some embodiments, the display module further includes a first adhesive layer 80, where the first adhesive layer 80 is located between the second adhesive frame 70 and the display panel 20.

The first adhesive layer 80 may be a transparent optical adhesive (Optically Clear Adhesive, OCA), and the second adhesive frame 70 is connected to the display panel 20 through the first adhesive layer 80.

In some embodiments, the display module further includes a light source 90, where the light source 90 is located in a receiving cavity 100 formed by the optical film 60 and the frame 12.

Specifically, the light source 90 may be a micro light emitting diode (Micro Light Emitting Diode, MLED), and in other embodiments, the light source 90 may also be a sub-millimeter light emitting diode (Mini Light Emitting Diode, MLED).

In some embodiments, the display module further includes a current plate 120, the current plate 120 is disposed in the receiving cavity 100, and the light source 90 is connected to the current plate 120.

It will be appreciated that the light source 90 is connected to a current plate 120, and that the current plate 120 is used to power the light source 90.

In some embodiments, the display module further includes a second adhesive layer 110, and the second adhesive layer 110 is located between the display panel 20 and the optical plate 30.

The second glue layer 110 may be a transparent optical glue (Optically Clear Adhesive, OCA). The display panel 20 and the optical plate 30 are connected through a second adhesive layer 110.

In some embodiments, the display module further includes a first gap (not shown) and a second gap (not shown), the first gap being between the display panel 20 and the optical film layer 60; the second gap is located between the second bezel 70 and the optical film layer 60.

In the utility model, the first gap is reserved between the display panel 20 and the optical film layer 60, and the second gap is reserved between the second adhesive frame 70 and the optical film layer 60, so that adverse effects on the performance of the display module due to expansion of the optical film layer 60 can be avoided.

Specifically, the display device may be a mobile electronic device such as a mobile phone, a tablet, etc.; the display device may be a device having a display function, such as a computer device, a television, or a car-mounted computer.

In the display device provided by the utility model, the reworkability of the display device can be improved by arranging the adhesive tape 50 between the first adhesive frame 40 and the display panel 20; by adopting the integrated back plate 10, the splicing complexity of the display device is reduced; by adopting the transparent second rubber frame 70, the generation of a shadow at a right angle can be avoided; by fixing the display panel 20 and the optical plate 30 using the second adhesive layer 110, reworkability of the display device can be improved; by using the diagonally spliced optical plate 30, light rays can be made to have different refractive indexes between the display panel 20 and the optical plate 30, and a diagonally spliced slit can be eliminated.

In summary, although the detailed description of the embodiments of the present utility model is given above, the above embodiments are not intended to limit the present utility model, and those skilled in the art will understand that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present utility model.

Claims

1. A display module, comprising:

a back plate (10);

a display panel (20) located on one side of the back plate (10);

an optical plate (30) located on a side of the display panel (20) facing away from the back plate (10);

the first adhesive frame (40) comprises a first connecting section (41) and a second connecting section (42) which are sequentially connected, wherein the first connecting section (41) is attached to the back plate (10), and the second connecting section (42) is attached to the display panel (20); wherein an adhesive tape (50) is arranged between the second connecting section (42) and the display panel (20).

2. The display module according to claim 1, wherein the back plate (10) comprises a body (11) and a frame (12); the frame (12) is located at two ends of the body (11), and the first connecting section (41) is attached to the frame (12).

3. A display module according to claim 2, characterized in that the body (11) comprises a first support plate (111) and a second support plate (112) connected to each other, the first support plate (111) extending in a first direction (X) of the display module, the second support plate (112) extending in a second direction (Y) of the display module, the first direction (X) and the second direction (Y) intersecting.

4. A display module according to claim 3, wherein the optical plate (30) comprises a first connection plate (31) and a second connection plate (32) connected to each other, the first connection plate (31) extending in the first direction (X), the second connection plate (32) extending in the second direction (Y), the first connection plate (31) having a first connection face (311), the second connection plate (32) having a second connection face (321), the first connection face (311) and the second connection face (321) being diagonally spliced.

5. The display module according to claim 4, further comprising an optical film layer (60) between the back plate (10) and the display panel (20);

the display panel (20) comprises a first liquid crystal panel (21) and a second liquid crystal panel (22), the first liquid crystal panel (21) is positioned between the first connecting plate (31) and the first supporting plate (111), and the second liquid crystal panel (22) is positioned between the second connecting plate (32) and the second supporting plate (112);

along the first direction (X), the front projection of the first liquid crystal panel (21) covers the front projection of the optical film layer (60); and, a step of, in the first embodiment,

along the second direction (Y), the orthographic projection of the second liquid crystal panel (22) covers the orthographic projection of the optical film layer (60).

6. The display module according to claim 5, wherein the optical film layer (60) includes a reflective sheet (61), a light guide plate (62), a light homogenizing plate (63) and a light increasing plate (64) which are sequentially stacked, and one side surface of the reflective sheet (61) is attached to the main body (11).

7. The display module of claim 5, further comprising a second glue frame (70), wherein the second glue frame (70) is located at a side of the optical film layer (60) facing away from the first glue frame (40);

along the first direction (X), the orthographic projection of the first liquid crystal panel (21) is overlapped with orthographic projections of the optical film layer (60) and the second rubber frame (70); and, a step of, in the first embodiment,

along the second direction (Y), the orthographic projection of the second liquid crystal panel (22) overlaps with orthographic projections of the optical film layer (60) and the second bezel (70).

8. The display module of claim 7, further comprising a first glue layer (80), the first glue layer (80) being located between the second glue frame (70) and the display panel (20).

9. The display module of claim 5, further comprising a light source (90), wherein the light source (90) is located in a receiving cavity (100) defined by the optical film layer (60) and the bezel (12).

10. The display module according to claim 1, further comprising a second glue layer (110), the second glue layer (110) being located between the display panel (20) and the optical plate (30).

11. A display device comprising a display module according to any one of claims 1-10.