CN220023395U - Liquid crystal display module capable of preventing uneven display - Google Patents

Abstract

The utility model discloses a liquid crystal display module capable of preventing uneven display, which comprises a frame and a display panel, wherein the display panel comprises an FPC (flexible printed circuit) arranged on one side of the surface of the display panel, the FPC is bent to the bottom of the frame, an arched boss is arranged at the side end of the frame in an FPC bending area, and the arched boss is in clearance fit with the FPC. The FPC bending region is internally provided with the arched boss, the arched boss design is added at the frame inside the bending position of the FPC and is used for supporting the bending position of the FPC, even if the bending position of the FPC is extruded, the bending position of the FPC is not too greatly deformed, so that the stress of the bending position of the FPC is reduced, the stress of lower glass is reduced, the pulling stress of the display panel is reduced, the MURA phenomenon is avoided, and the FPC bending region bending device is simple and effective in structure, convenient to produce and low in production cost.

Description

Liquid crystal display module capable of preventing uneven display

Technical Field

The utility model relates to the technical field of display, in particular to a liquid crystal display module for preventing uneven display.

Background

There are many cases where the liquid crystal display panel products generate display unevenness (known in the industry as MURA phenomenon), which is ascribed to a point that glass is subjected to internal stress or external stress. The bending position of the FPC is extruded, so that the acting force generated by extrusion of the bending position of the FPC is transmitted to the glass to enable the glass to be stressed, and the phenomenon of uneven display is quite common.

For example, chinese patent (CN 210323669U) discloses a mounting structure for reducing the size of a vehicle-mounted full-lamination display screen MURA, which sequentially comprises a display panel, a fixing bracket and a panel from top to bottom, wherein the display panel and the fixing bracket are fixed by gluing, and the fixing bracket and the panel are fixed by fastening; the panel fixing device comprises a panel, a fixing support, a plurality of clamping rings, a clamping groove, a lug and a fixing support, wherein the clamping groove is formed in the panel at the position opposite to the clamping ring, the clamping groove can be penetrated by the clamping ring, the lug protrudes from the clamping groove and can be clamped into the clamping ring, and the fixing support is clamped and fixed with the panel through the matched clamping ring and the lug. According to the utility model, the display panel and the fixing support are glued and fixed, and the fixing support and the panel are buckled and fixed, and as the buckling structure can absorb most of deformation of the panel, the cracking of glue between the display panel and the fixing support can not be generated; meanwhile, the backlight box is fixed with the fixing support in an adhesive mode, display MURA caused by panel deformation is reduced, and therefore the display screen MURA problem is solved.

However, when the present inventors embodied this device, the following drawbacks were found to exist: the technology solves the MURA phenomenon by adding the fixing support and the buckle connection mode, but the mode is too complex, and a large amount of production cost is generated, so that the technology is not beneficial to efficient production.

Disclosure of Invention

Based on this, it is necessary to provide a liquid crystal display module for preventing uneven display, set up arch boss in the FPC bending region, increase arch boss design in FPC bending position inboard frame department, be used for supporting FPC bending position, even FPC bending position is by the extrusion, FPC bending position department also does not have too big deformation, thereby reduce FPC bending position atress, reduce lower piece glass's atress, reduce the pulling atress to display panel, thereby solve the production of MURA phenomenon, this simple structure is effective, be convenient for production, low in production cost simultaneously.

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

a liquid crystal display module for preventing uneven display.

The liquid crystal display module for preventing uneven display specifically comprises:

the display panel comprises a frame and a display panel, wherein the display panel comprises an FPC (flexible printed circuit) arranged on one side of the surface of the display panel, the FPC is bent to the bottom of the frame, an arched boss is arranged at the side end of the frame in the bending area of the FPC, and the arched boss is in clearance fit with the FPC.

As a preferred embodiment of the liquid crystal display module for preventing uneven display provided by the utility model, the frame further comprises a first bottom leg, a second bottom leg and a third bottom leg which are arranged at the bottom of the frame.

As a preferred embodiment of the liquid crystal display module for preventing uneven display, the first bottom support leg comprises a first clamping assembly and a first alignment post.

As a preferred embodiment of the liquid crystal display module for preventing uneven display provided by the utility model, the first clamping assembly comprises a first knob body and a plurality of first clamping blocks, wherein the first knob body is movably arranged on the bottom of the frame close to one side of the FPC, the plurality of first clamping blocks are arranged on the first knob body, and the first alignment posts are arranged on the side edges of the first clamping blocks.

As a preferred embodiment of the liquid crystal display module for preventing uneven display, the second bottom support leg comprises a second clamping assembly and a second alignment post.

As a preferred embodiment of the liquid crystal display module for preventing uneven display, the second clamping assembly comprises a second knob body and a plurality of second clamping blocks, wherein the second knob body is movably arranged on the bottom of the frame close to the other side of the FPC, the plurality of second clamping blocks are arranged on the second knob body, and the second alignment posts are arranged on the side edges of the second clamping blocks.

As a preferred embodiment of the liquid crystal display module for preventing uneven display, the third bottom support leg comprises a third clamping assembly and a third alignment post.

As a preferred embodiment of the liquid crystal display module for preventing uneven display, the third clamping assembly comprises a third knob body and a plurality of third clamping blocks, wherein the second knob body is movably arranged on the bottom of the frame at one side far away from the FPC, the plurality of third clamping blocks are arranged on the third knob body, and the third alignment posts are arranged on the side edges of the third clamping blocks.

As a preferred embodiment of the liquid crystal display module for preventing uneven display provided by the utility model, in a lower view, a line connecting the first bottom leg, the second bottom leg and the third bottom leg forms an isosceles triangle.

As a preferred embodiment of the liquid crystal display module for preventing uneven display provided by the utility model, the display panel sequentially comprises an upper polarizer, an upper piece of glass, a lower piece of glass and a lower polarizer from top to bottom.

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

according to the liquid crystal display module capable of preventing uneven display, the arched boss is arranged in the bending area of the FPC, the arched boss design is added at the frame at the inner side of the bending position of the FPC and is used for supporting the bending position of the FPC, even if the bending position of the FPC is extruded, the bending position of the FPC is not greatly deformed, so that the stress of the bending position of the FPC is reduced, the stress of lower glass is reduced, the pulling stress on a display panel is reduced, the MURA phenomenon is avoided, and the liquid crystal display module is simple and effective in structure, convenient to produce and low in production cost.

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 diagram of a liquid crystal display module for preventing display unevenness according to the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 at another angle;

fig. 3 is an exploded view of fig. 1.

The labels in the figures are illustrated below:

a frame 1;

a display panel 2, an upper polarizer 21, an upper glass sheet 22, a lower glass sheet 23 and a lower polarizer 24;

FPC3；

an arched boss 4;

the first bottom support leg 5, the first clamping assembly 51, the first knob body 511, the first clamping block 512 and the first alignment post 52;

the second bottom leg 6, the second clamping assembly 61, the second knob body 611, the second fixture block 612, the second alignment post 62;

a third bottom leg 7, a third clamping assembly 71, a third knob body 711, a third fixture block 712, and a third alignment post 72.

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 in the background art, the MURA phenomenon is solved by adding a fixing bracket and a snap connection, but the method is too complex, and a large amount of production cost is generated, which is not beneficial to efficient production.

In order to solve the technical problem, the utility model provides a liquid crystal display module for preventing uneven display.

Specifically, referring to fig. 1-3, the liquid crystal display module for preventing uneven display specifically includes:

the display panel comprises a frame 1 and a display panel 2, wherein the display panel 2 comprises an FPC3 arranged on one side of the surface of the display panel 2, the FPC3 is bent to the bottom of the frame 1, an arched boss 4 is arranged at the side end of the frame 1 in the bending area of the FPC3, and the arched boss 4 is in clearance fit with the FPC 3.

According to the liquid crystal display module for preventing uneven display, the arched boss 4 is arranged in the bending area of the FPC3, the arched boss 4 is additionally arranged at the inner side frame 1 of the bending position of the FPC3 and is used for supporting the bending position of the FPC3, even if the bending position of the FPC3 is extruded, the bending position of the FPC3 is not greatly deformed, so that the stress of the bending position of the FPC3 is reduced, the stress of lower glass is reduced, the pulling stress on the display panel 2 is reduced, the MURA phenomenon is avoided, the structure is simple and effective, the production is convenient, and meanwhile, the production cost is low.

In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

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

Referring to fig. 1-3, a liquid crystal display module for preventing uneven display includes a frame 1 and a display panel 2, the display panel 2 includes an FPC3 disposed on one side of the surface of the display panel 2, the FPC3 is bent to the bottom of the frame 1, an arched boss 4 is disposed at a side end of the frame 1 in a bending region of the FPC3, and the arched boss 4 is in clearance fit with the FPC 3.

Through the structural design, set up arch boss 4 in the area of buckling of FPC3, increase arch boss 4 design in the inboard frame 1 department in position of buckling of FPC3, be used for supporting the position of buckling of FPC3, even the position of buckling of FPC3 is extruded, the position department of buckling of FPC3 also does not have too big deformation, thereby reduce the position atress of buckling of FPC3, reduce lower piece glass's atress, reduce the atress of pulling to display panel 2, thereby solve the production of MURA phenomenon, this simple structure is effective, the production of being convenient for, low in production cost simultaneously.

Example 2

For further optimization of the lcd module for preventing uneven display provided in embodiment 1, specifically, please refer to fig. 1-3, the frame 1 further includes a first bottom leg 5, a second bottom leg 6, and a third bottom leg 7 disposed at the bottom of the frame 1.

Through above-mentioned structural design, because the FPC3 after buckling in frame 1 bottom can fall under the effect of gravity, first bottom stabilizer blade 5 and second bottom stabilizer blade 6 all are used for carrying out the chucking fixedly to the FPC3 of buckling in the bottom of frame 1 to avoid the FPC3 after buckling to fall under the effect of gravity, also be used for the installation counterpoint simultaneously, third bottom stabilizer blade 7 is used for the installation counterpoint, through ingenious design, the bottom stabilizer blade can have the fixed effect of chucking FPC3 also have the effect of installation counterpoint.

Specifically, the first bottom leg 5 includes a first clamping assembly 51 and a first alignment post 52.

Through the above-mentioned structural design, first chucking subassembly 51 is used for buckling fixedly to the FPC3 of buckling in frame 1 bottom, and first counterpoint post 52 is used for this structure in a poor light and other structural installation counterpoints.

Specifically, the first clamping assembly 51 includes a first knob body 511 and a plurality of first clamping blocks 512, the first knob body 511 is movably disposed on the bottom of the frame 1 near one side of the FPC3, the plurality of first clamping blocks 512 are disposed on the first knob body 511, and the first alignment posts 52 are disposed on the side edges of the first clamping blocks 512.

Through the above-mentioned structural design, first knob body 511 sets up in the upside of the FPC3 after buckling, be rotatory setting with the bottom of frame 1, first fixture block 512 has three, all set up on the lateral wall of first knob body 511, be provided with first counterpoint post 52 on the first fixture block 512 of side, first counterpoint post 52 and first fixture block 512 all do not with the bottom looks butt of frame 1, the distance between the two is the thickness distance of FPC3, during the use, after FPC3 buckles, manual twist first knob body 511, make the first fixture block 512 butt in the centre can on FPC 3.

Specifically, the second bottom leg 6 includes a second clamping assembly 61 and a second alignment post 62.

Through the above structural design, the second clamping assembly 61 is used for clamping and fixing the FPC3 bent at the bottom of the frame 1, and the second alignment post 62 is used for mounting and aligning the backlight structure with other structures.

Specifically, the second clamping assembly 61 includes a second knob body 611 and a plurality of second clamping blocks 612, the second knob body 611 is movably disposed on the bottom of the frame 1 near the other side of the FPC3, the plurality of second clamping blocks 612 are disposed on the second knob body 611, and the second alignment posts 62 are disposed on the sides of the second clamping blocks 612.

Through the above-mentioned structural design, second knob body 611 sets up in the downside of the FPC3 after buckling, be rotatory setting with the bottom of frame 1, second fixture block 612 has three, all set up on the lateral wall of second knob body 611, be provided with second counterpoint post 62 on the second fixture block 612 of side, second counterpoint post 62 and the bottom looks butt of second fixture block 612 with frame 1, the distance between the two is the thickness distance of FPC3, during the use, after FPC3 buckles, the manual twist second knob body 611, make the second fixture block 612 butt in the middle can on FPC 3.

Specifically, the third bottom leg 7 includes a third clamping assembly 71 and a third alignment post 72.

Through the above structural design, the third bottom support leg 7 is not used for clamping the FPC3, but is only used for mounting and aligning the backlight structure with other structures.

Specifically, the third clamping assembly 71 includes a third knob body 711 and a plurality of third clamping blocks 712, the second knob body 611 is movably disposed on the bottom of the frame 1 at a side far away from the FPC3, the plurality of third clamping blocks 712 are disposed on the third knob body 711, and the third alignment posts 72 are disposed at the side edges of the third clamping blocks 712.

Through the above-mentioned structural design, third knob body 711 sets up in keeping away from the one side of the FPC3 after buckling, is rotatory setting with the bottom of frame 1, and third fixture block 712 has three, all sets up on the lateral wall of third knob body 711, is provided with third counterpoint post 72 on the third fixture block 712 of side, and third counterpoint post 72 and third fixture block 712 all do not with the bottom looks butt of frame 1, and the distance between the two is the thickness distance of FPC 3.

Example 3

Further optimizing the liquid crystal display module for preventing display unevenness provided in embodiment 1 or 2, as shown in fig. 1 to 3, in the lower view, the lines of the first bottom leg 5, the second bottom leg 6, and the third bottom leg 7 constitute isosceles triangles.

Specifically, the display panel 2 includes an upper polarizer 21, an upper glass sheet 22, a lower glass sheet 23, and a lower polarizer 24 from top to bottom.

Through above-mentioned structural design, isosceles triangle is more favorable to the steadiness of installation.

The use process of the liquid crystal display module for preventing uneven display provided by the utility model is as follows:

the utility model discloses a flexible printed circuit board (FPC) is characterized in that an arch boss 4 is arranged in an FPC3 bending area, an arch boss 4 design is added at an FPC3 bending position inner side frame 1 and used for supporting the FPC3 bending position, even if the FPC3 bending position is extruded, the FPC3 bending position is not too large deformed, thereby reducing the stress of the FPC3 bending position, reducing the stress of lower glass, reducing the pulling stress of a display panel 2, thereby solving the generation of MURA.

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 (10)

1. The utility model provides a prevent to show uneven liquid crystal display module, its characterized in that, it includes frame (1) and display panel (2), including setting up on display panel (2) surface one side FPC (3), FPC (3) buckle to the bottom of frame (1), the side of frame (1) is in FPC (3) bending area is provided with arch boss (4), arch boss (4) with FPC (3) are in clearance fit.

2. The liquid crystal display module of claim 1, wherein the frame (1) further comprises a first bottom leg (5), a second bottom leg (6) and a third bottom leg (7) provided at the bottom of the frame (1).

3. The liquid crystal display module set for preventing uneven display according to claim 2, wherein the first bottom leg (5) comprises a first clamping component (51) and a first alignment post (52).

4. A liquid crystal display module according to claim 3, wherein the first clamping assembly (51) comprises a first knob body (511) and a plurality of first clamping blocks (512), the first knob body (511) is movably arranged on the bottom of the frame (1) close to one side of the FPC (3), the plurality of first clamping blocks (512) are arranged on the first knob body (511), and the first alignment posts (52) are arranged on the sides of the first clamping blocks (512).

5. The liquid crystal display module set for preventing uneven display according to claim 2, wherein the second bottom leg (6) comprises a second clamping component (61) and a second alignment post (62).

6. The liquid crystal display module set for preventing uneven display according to claim 5, wherein the second clamping assembly (61) comprises a second knob body (611) and a plurality of second clamping blocks (612), the second knob body (611) is movably arranged on the bottom of the frame (1) close to the other side of the FPC (3), the plurality of second clamping blocks (612) are arranged on the second knob body (611), and the second alignment posts (62) are arranged on the sides of the second clamping blocks (612).

7. The liquid crystal display module set for preventing uneven display according to claim 6, wherein the third bottom leg (7) comprises a third clamping component (71) and a third alignment post (72).

8. The liquid crystal display module set for preventing uneven display according to claim 7, wherein the third clamping assembly (71) comprises a third knob body (711) and a plurality of third clamping blocks (712), the second knob body (611) is movably arranged on the bottom of the frame (1) at one side far away from the FPC (3), the plurality of third clamping blocks (712) are arranged on the third knob body (711), and the third alignment posts (72) are arranged on the side edges of the third clamping blocks (712).

9. The liquid crystal display module set for preventing display unevenness according to claim 2, wherein the lines connecting the first bottom leg (5), the second bottom leg (6), and the third bottom leg (7) constitute an isosceles triangle in a lower view.

10. The liquid crystal display module according to claim 1, wherein the display panel (2) comprises an upper polarizer (21), an upper glass sheet (22), a lower glass sheet (23) and a lower polarizer (24) from top to bottom.