CN220020039U

CN220020039U - Anticreep TFT display module assembly

Info

Publication number: CN220020039U
Application number: CN202321142228.5U
Authority: CN
Inventors: 黄�焕; 王辉; 李志成
Original assignee: Truly Opto Electronics Ltd
Current assignee: Truly Opto Electronics Ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-11-14
Anticipated expiration: 2033-05-11

Abstract

The utility model discloses an anti-drop TFT display module, which comprises a back plate and a cover plate, wherein the cover plate is positioned above the back plate, corner shells are arranged on the left side and the right side of the cover plate, a containing cavity is arranged among the back plate, the cover plate and the corner shells, a backlight plate is arranged in the containing cavity, a driving main plate is arranged on the lower surface of the backlight plate, a lower polaroid is arranged on the upper surface of the backlight plate, a TFT small piece of glass is arranged on the upper surface of the lower polaroid, a TFT large piece of glass is arranged on the upper surface of the TFT small piece of glass, an upper polaroid is arranged on the upper surface of the TFT large piece of glass, and the upper surface of the upper polaroid is in bonding connection with the lower surface of the cover plate through an optical adhesive layer. Because the upper polaroid is fully adhered with the TFT large glass, the size of the cover plate is just a little bigger than the unilateral of the TFT visual area, and the cover plate can just cover the TFT visual area completely after being fully adhered with the TFT large glass, thereby being beneficial to lightening and thinning of products.

Description

Anticreep TFT display module assembly

Technical Field

The utility model relates to a TFT display module, in particular to an anti-falling TFT display module.

Background

In the manufacturing process of the vehicle-mounted display screen, the following assembling and fixing modes are mainly adopted for the cover plate on the display screen, in order to assemble the cover plate into the corner shell groove from the upper surface, the appearance of the cover plate needs to be larger than that of each side of the periphery of the TFT display module, and the cover plate is fixed by double-sided adhesive or glue, so that the mounting mode has two disadvantages: the first cover plate and the cover plate need to be larger than the TFT module, so that the whole machine looks like a large frame, and the visual effect is poor; second, the cover plate risks falling off when the vehicle vibrates.

The Chinese patent document CN201910426539.6 discloses an LED display screen capable of preventing display modules from accidentally falling off, which comprises a fixing frame and a plurality of display modules, wherein a convenient-to-detach structure is arranged between each display module and the fixing frame, and is characterized in that: and a protection structure is arranged between each display module and the fixing frame and comprises a stool plug body and stool sockets, wherein the stool plug body is fixedly arranged on the fixing frame, the stool sockets are fixedly arranged on the display modules, and the stool plug bodies and the stool sockets are in one-to-one correspondence.

Obviously, the patent utilizes quick detach structure to assemble a plurality of display module assemblies on this mount fast, can't solve the problem that the cover plate of current on-vehicle display screen drops.

Disclosure of Invention

Based on this, it is necessary to provide an anti-drop TFT display module, including backplate and cover plate, the cover plate be located the top of backplate, the left side and the right side of cover plate all be equipped with the angle shell, backplate, cover plate and angle shell between be equipped with and hold the cavity, hold and be equipped with the back light plate in the cavity, the lower surface of back light plate on be equipped with the drive mainboard, the upper surface of back light plate on be equipped with the lower polaroid, the upper surface of lower polaroid on be equipped with TFT platelet glass, TFT platelet glass's upper surface on be equipped with the polaroid, the upper surface of going up the polaroid pass through optical glue layer with the lower surface bonding connection of cover plate. Because the TFT large glass is located above, the TFT small glass is located below, the TFT large glass is fully adhered to the upper polarizer, the size of the cover plate is just a little bigger than the single side of the TFT visual area, and the cover plate can just cover the TFT visual area completely after being fully adhered to the TFT large glass, so that the product is light and thin. In addition, enough space is reserved in the protruding space M, so that the space can be used for arranging the TFT drive ICs and wiring, and the space is fully utilized. In addition, because the size of the TFT large glass is larger than that of the cover plate, the whole TFT module cannot fall off from the corner shell due to degumming, and the shock resistance is good.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the anti-drop TFT display module is characterized by comprising a back plate and a cover plate, wherein the cover plate is positioned above the back plate, the left side and the right side of the cover plate are respectively provided with a corner shell, a containing cavity is arranged among the back plate, the cover plate and the corner shells,

a backlight plate is arranged in the accommodating cavity, a driving main board is arranged on the lower surface of the backlight plate,

the upper surface of the backlight plate is provided with a lower polaroid, the upper surface of the lower polaroid is provided with TFT small glass, the upper surface of the TFT small glass is provided with TFT large glass, the upper surface of the TFT large glass is provided with an upper polaroid, and the upper surface of the upper polaroid is connected with the lower surface of the cover plate in a bonding way through an optical adhesive layer.

As a preferred implementation mode of the anti-falling TFT display module provided by the utility model, the area of the TFT large glass is larger than that of the TFT small glass, and the left side edge of the TFT large glass extends out of a preset extending space on the left side edge of the TFT small glass.

As a preferred implementation mode of the anti-falling TFT display module provided by the utility model, a TFT drive IC is arranged on one side edge of the lower surface of the TFT large glass, the TFT drive IC is positioned in the protruding space, and the thickness of the TFT drive IC is smaller than the height of the protruding space.

As a preferred implementation mode of the anti-drop TFT display module provided by the utility model, a plurality of backlight glue frame screw posts are arranged at the bottom of the backlight plate.

As a preferred implementation mode of the anti-drop TFT display module provided by the utility model, a gasket rubber pad is arranged on the screw column of the backlight rubber frame.

As a preferred implementation mode of the anti-drop TFT display module provided by the utility model, the gasket rubber mat is made of silica gel.

As a preferred embodiment of the anti-falling TFT display module provided by the utility model, the upper polarizer is bonded and connected with the inner wall of the corner shell through the bonding layer.

As a preferred implementation mode of the anti-falling TFT display module provided by the utility model, the backlight rubber frame screw posts are provided with damping springs.

As a preferred implementation mode of the anti-drop TFT display module provided by the utility model, the protruding space is internally provided with the supporting column, the upper surface of the supporting column is tightly contacted with the lower surface of the TFT large-sheet glass, and the lower surface of the supporting column is tightly contacted with the upper surface of the backlight plate.

As a preferred implementation mode of the anti-drop TFT display module provided by the utility model, the support column is double-sided foam.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model provides an anti-drop TFT display module, because the TFT large glass is positioned above, the TFT small glass is positioned below, and the TFT large glass is fully adhered to an upper polarizer, the size of a cover plate is just a little bigger than the unilateral of a TFT visual area, and the cover plate can just completely cover the TFT visual area after being fully adhered to the TFT large glass, thereby being beneficial to lightening and thinning products. Enough space is reserved in the extending space, so that the extending space can be used for arranging TFT drive ICs and wiring, and the space is fully utilized. Because the size of the TFT large glass is larger than that of the cover plate, the whole TFT module cannot fall off from the corner shell due to degumming, and the shock resistance is good.

In addition, can set up the tie coat between this last polaroid and the angle shell, utilize the tie coat, further strengthened the fastness and the reliability of going up the connection between polaroid expert and the angle shell, also provided further structure buffering for TFT large-scale glass, TFT small-scale glass, improved the shock resistance of product.

In addition, damping springs can be arranged on the screw posts of the backlight rubber frame. And the shock resistance of the screw column of the backlight rubber frame is effectively improved by utilizing the damping spring, so that the shock resistance of the product is improved.

In addition, a support column may be provided in the protruding space, an upper surface of the support column being in close contact with a lower surface of the TFT bulk glass, a lower surface of the support column being in close contact with an upper surface of the backlight plate. The supporting columns are arranged between the TFT large glass and the backlight plate, so that the resistance of the TFT large glass is effectively improved, and the anti-seismic performance of the product is improved.

Drawings

In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of an anti-falling TFT display module according to the present utility model;

fig. 2 is an enlarged detail schematic view of a region a of a schematic view of a stereoscopic structure of the anti-drop TFT display module in fig. 1;

fig. 3 is an enlarged detail schematic view of a region B of a schematic view of a stereoscopic structure of the anti-drop TFT display module in fig. 1;

fig. 4 is a schematic partial perspective view of the anti-falling TFT display module of fig. 2;

FIG. 5 is a schematic view of a partial perspective of the anti-drop TFT display module of FIG. 2, showing another view angle;

fig. 6 is a schematic partial structure of a further embodiment of the anti-falling TFT display module according to the present utility model;

fig. 7 is a schematic partial structure of a further embodiment of the anti-falling TFT display module according to the present utility model;

FIG. 8 is a schematic view of a partial perspective structure of the anti-falling TFT display module of FIG. 7;

the labels in the figures are illustrated below: 1. a back plate; 10. a cover plate; 11. an optical adhesive layer; 12. a screw column of the backlight adhesive frame; 121. a damping spring; 13. a gasket rubber cushion; 14. driving a main board; 15. a bonding layer; 2. a corner shell; 3. a backlight plate; 5. a polaroid is arranged on the upper surface of the substrate; 6. TFT bulk glass; 7. a TFT drive IC; 71. a support column; 8. TFT platelet glass; 9. a lower polarizer; m, the extension space; s, accommodating the cavity.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

As described in the background art, in the prior art, in the process of manufacturing a vehicle-mounted display screen, the following assembly and fixing manner is mainly adopted for the cover plate on the display screen, in order to assemble the cover plate into the corner shell groove from the top, the shape of the cover plate needs to be larger than that of each side of the periphery of the TFT display module, and the cover plate is fixed by double-sided adhesive or glue, so that the mounting manner has two disadvantages: the first cover plate and the cover plate need to be larger than the TFT module, so that the whole machine looks like a large frame, and the visual effect is poor; second, the cover plate risks falling off when the vehicle vibrates.

In order to solve the technical problem, the utility model provides an anti-falling TFT display module, which comprises a back plate 1 and a cover plate 10, wherein the cover plate 10 is positioned above the back plate 1, the left side and the right side of the cover plate 10 are respectively provided with a corner shell 2, and a containing cavity S is arranged among the back plate 1, the cover plate 10 and the corner shells 2. A backlight plate 3 is disposed in the accommodating cavity S, and a driving main board 14 is disposed on a lower surface of the backlight plate 3. The upper surface of the backlight plate 3 is provided with a lower polaroid 9, the upper surface of the lower polaroid 9 is provided with a TFT small piece of glass 8, the upper surface of the TFT small piece of glass 8 is provided with a TFT large piece of glass 6, the upper surface of the TFT large piece of glass 6 is provided with an upper polaroid 5, and the upper surface of the upper polaroid 5 is bonded and connected with the lower surface of the cover plate 10 through an optical adhesive layer 11. The area of the TFT bulk glass 6 is larger than that of the TFT bulk glass 8, and the left side edge of the TFT bulk glass 6 protrudes out of the protruding space M preset at the left side edge of the TFT bulk glass 8.

Through the structural design, as the TFT large glass 6 is positioned above and the TFT small glass 8 is positioned below, the upper polarizer 5 is fully adhered to the TFT large glass 6, the size of the cover plate 10 is just slightly larger than that of the single side of the TFT visual area (for example, 0.5 mm), and the TFT visual area can be just completely covered after the TFT large glass 6 is fully adhered, so that the product is light and thin. In addition, the protruding space M reserves a sufficient space for disposing the TFT driver ICs 7 and wiring, and the space is fully utilized. In addition, as the size of the TFT large glass 6 is larger than that of the cover plate 10, the whole TFT module cannot fall off from the corner shell due to degumming, and the shock resistance is good.

In order to better understand the solution of the present utility model, the following detailed description will describe the solution of the embodiment of the present utility model with reference to the accompanying drawings, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, and thus the protection scope of the present utility model is more clearly and definitely defined.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Example 1

As shown in fig. 1 to 3, the anti-falling TFT display module includes a back plate 1 and a cover plate 10, the cover plate 10 is located above the back plate 1, the left and right sides of the cover plate 10 are respectively provided with a corner case 2, and a receiving cavity S is provided between the back plate 1, the cover plate 10 and the corner case 2.

A backlight plate 3 is disposed in the accommodating cavity S, and a driving main board 14 is disposed on a lower surface of the backlight plate 3.

The upper surface of the backlight plate 3 is provided with a lower polaroid 9, the upper surface of the lower polaroid 9 is provided with a TFT small piece of glass 8, the upper surface of the TFT small piece of glass 8 is provided with a TFT large piece of glass 6, the upper surface of the TFT large piece of glass 6 is provided with an upper polaroid 5, and the upper surface of the upper polaroid 5 is bonded and connected with the lower surface of the cover plate 10 through an optical adhesive layer 11.

The area of the TFT bulk glass 6 is larger than that of the TFT bulk glass 8, and the left side edge of the TFT bulk glass 6 protrudes from the left side edge of the TFT bulk glass 8 by a predetermined protruding space M.

A TFT driving IC7 is provided on one side edge of the lower surface of the TFT bulk glass 6, the TFT driving IC7 being located in the protruding space M, and the thickness of the TFT driving IC7 being smaller than the height of the protruding space M.

In addition, a plurality of backlight glue frame screw posts 12 are arranged at the bottom of the backlight plate 3. The screw column 12 of the backlight rubber frame is provided with a gasket rubber cushion 13. The gasket rubber pad 13 is made of silica gel.

The operation of this embodiment will be described below.

Because the TFT large-piece glass 6 is positioned above, the TFT small-piece glass 8 is positioned below, the TFT large-piece glass 6 is fully adhered to the upper polarizer 5, the size of the cover plate 10 is just a little (for example, 0.5 mm) larger than the single side of the TFT visual area, and the cover plate can just completely cover the TFT visual area after being fully adhered to the TFT large-piece glass 6, thereby being beneficial to lightening and thinning products. In addition, the protruding space M reserves a sufficient space for disposing the TFT driver ICs 7 and wiring, and the space is fully utilized. In addition, as the size of the TFT large glass 6 is larger than that of the cover plate 10, the whole TFT module cannot fall off from the corner shell due to degumming, and the shock resistance is good.

Example 2

Further optimizing the anti-off TFT display module provided in embodiment 1, specifically, as shown in fig. 6, the upper polarizer 5 is adhesively connected to the inner wall of the corner case 2 through an adhesive layer 15.

The operation of this embodiment will be described below.

By using the bonding layer 15, the firmness and reliability of connection between the upper polarizer 5 and the corner shell 2 are further enhanced, further structural buffering is provided for the TFT large glass 6 and the TFT small glass 8, and the anti-seismic performance of the product is improved.

Example 3

Further optimizing the anti-falling TFT display module provided in embodiment 1 or 2, specifically, as shown in fig. 6, the backlight frame screw posts 12 are provided with damping springs 121.

The operation of this embodiment will be described below.

By utilizing the damping spring 121, the shock resistance of the screw column 12 of the backlight rubber frame is effectively improved, so that the shock resistance of the product is improved.

Example 4

Further optimizing the anti-off TFT display module provided in embodiment 1 or 2, specifically, as shown in fig. 7 and 8, the protruding space M is provided with a support post 71, the upper surface of the support post 71 is in close contact with the lower surface of the TFT bulk glass 6, and the lower surface of the support post 71 is in close contact with the upper surface of the backlight 3.

The support column 71 is double-sided foam.

The operation of this embodiment will be described below.

Since the supporting columns 71 are arranged between the TFT large-sheet glass 6 and the backlight plate 3, the resistance of the TFT large-sheet glass 6 is effectively improved, and thus the shock resistance of the product is improved.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.

Claims

1. The anti-drop TFT display module is characterized by comprising a back plate (1) and a cover plate (10), wherein the cover plate (10) is positioned above the back plate (1), the left side and the right side of the cover plate (10) are respectively provided with an angle shell (2), a containing cavity (S) is arranged among the back plate (1), the cover plate (10) and the angle shells (2),

a backlight plate (3) is arranged in the accommodating cavity (S), a driving main plate (14) is arranged on the lower surface of the backlight plate (3),

the upper surface of back light plate (3) on be equipped with lower polaroid (9), the upper surface of lower polaroid (9) on be equipped with TFT platelet glass (8), the upper surface of TFT platelet glass (8) on be equipped with TFT large-scale glass (6), the upper surface of TFT large-scale glass (6) on be equipped with last polaroid (5), the upper surface of last polaroid (5) pass through optical glue film (11) with the lower surface bonding connection of cover plate (10).

2. The anti-drop TFT display module of claim 1, wherein the TFT bulk glass (6) has an area larger than that of the TFT bulk glass (8), and a left edge of the TFT bulk glass (6) extends out of a predetermined extension space (M) of the left edge of the TFT bulk glass (8).

3. The anti-drop TFT display module as set forth in claim 2, wherein a TFT driving IC (7) is provided on a side edge of the lower surface of the TFT bulk glass (6), the TFT driving IC (7) is located in the protruding space (M), and the thickness of the TFT driving IC (7) is smaller than the height of the protruding space (M).

4. The anti-drop TFT display module as set forth in claim 1, wherein a plurality of backlight plastic frame screw posts (12) are provided at the bottom of the backlight plate (3).

5. The anti-drop TFT display module as set forth in claim 4, wherein said backlight frame screw post (12) is provided with a gasket rubber pad (13).

6. The anti-drop TFT display module as set forth in claim 5, wherein said gasket rubber pad (13) is made of silica gel.

7. The anti-drop TFT display module as set forth in claim 1, wherein the upper polarizer (5) is adhesively connected to the inner wall of the corner case (2) through an adhesive layer (15).

8. The anti-drop TFT display module as set forth in claim 4, wherein said backlight frame screw posts (12) are each provided with a shock absorbing spring (121).

9. The anti-drop TFT display module as set forth in claim 2, wherein a supporting column (71) is disposed in the protruding space (M), an upper surface of the supporting column (71) is in close contact with a lower surface of the TFT bulk glass (6), and a lower surface of the supporting column (71) is in close contact with an upper surface of the backlight plate (3).

10. The anti-drop TFT display module of claim 9, wherein the support post (71) is double-sided foam.