CN219872032U - Display screen module of backlight package fitting piece and auxiliary assembly tool thereof - Google Patents

Abstract

The utility model relates to the technical field of display screens, in particular to a display screen module of a backlight wrapping and attaching piece and an auxiliary assembly tool thereof; the device can buffer external impact, reduce the probability of cracking damage of the display screen, play a certain role in protecting the display screen, and effectively improve the assembly precision and the assembly effect of the display screen module; comprises a cover plate which is arranged from outside to inside; TFT liquid crystal main screen; one end face of the TFT liquid crystal main screen is attached to the cover plate; the backlight is provided with four groups of protruding retaining walls on the end faces of the backlight, the other end face of the TFT liquid crystal main screen is attached to the backlight, and the protruding retaining walls are coated on the periphery of the cover plate and the TFT liquid crystal main screen; the convex retaining wall on the backlight is provided with an installation notch, an elastic limiting piece is installed at the installation notch, and the convex retaining wall is elastically connected with the cover plate and the TFT liquid crystal main screen through the elastic limiting piece; the elastic limiting piece adopts a bending elastic piece.

Description

Display screen module of backlight package fitting piece and auxiliary assembly tool thereof

Technical Field

The utility model relates to the technical field of display screens, in particular to a display screen module of a backlight wrapping and attaching piece and an auxiliary assembly tool thereof.

Background

Along with the continuous development of the liquid crystal display technology, the application field of the liquid crystal display is also widened, and the liquid crystal display is particularly widely applied to the field of smart phones. The market of liquid crystal displays pulls, and the backlight industry presents a prosperous scene, and the existing attaching piece is directly attached and connected with the backlight.

As disclosed in chinese patent, the LED backlight module comprises a main backlight module and an auxiliary backlight module, wherein the main backlight module comprises a main screen LED light bar and a main screen light guide plate, the auxiliary backlight module comprises at least two sub-backlight modules, each sub-backlight module comprises a sub-light guide plate and a sub-LED light bar; light energy emitted by the main screen LED light bar lights the main screen light guide plate; the light energy emitted by the sub LED light bars lights the sub light guide plate. Although the area where the main screen LED lamp strip is located cannot be lightened by the main screen LED lamp strip, as at least part of the area of the light emitting surface of the sub light guide plate of at least one sub backlight module is located above the main screen LED lamp strip, at least part of the area where the main screen LED lamp strip is located can be lightened, the area where the LED backlight module cannot be lightened can be reduced, the terminal screen occupation ratio can be improved, better visual service can be provided for users, and user experience can be guaranteed.

However, when the present inventors embodied this device, the following drawbacks were found to exist: when the mobile phone falls or is impacted by other impacts, the display screen is easy to crack and damage under the impact of external force, and especially after the side edge and the corner of the screen are directly stressed, the display screen is easy to crack; the assembly accuracy and efficiency of the display screen module are to be further improved.

Disclosure of Invention

Based on the above, it is necessary to provide a display screen module of a backlight wrapping and attaching piece and an auxiliary assembly tool thereof, which can buffer external impact, reduce the probability of breakage damage of the display screen, and play a certain role in protecting the display screen; and effectively improve display screen module assembly precision and equipment effect.

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

a display screen module of a backlight wrapping and attaching piece is applied to a display screen.

The display screen module of the back light parcel laminating piece specifically includes:

a cover plate arranged from outside to inside;

TFT liquid crystal main screen; one end face of the TFT liquid crystal main screen is attached to the cover plate;

the backlight is characterized in that four groups of backlight end faces are provided with protruding retaining walls, the other end face of the TFT liquid crystal main screen is attached to the backlight, and the protruding retaining walls are coated on the periphery of the cover plate and the TFT liquid crystal main screen.

As a preferred implementation mode of the display screen module of the backlight wrapping and attaching piece and the auxiliary assembly tool thereof, the convex retaining wall on the backlight is provided with the mounting notch, the mounting notch is provided with the elastic limiting piece, and the convex retaining wall is elastically connected with the cover plate and the TFT liquid crystal main screen through the elastic limiting piece.

The display screen module of the backlight wrapping and attaching piece and the preferred implementation mode of the auxiliary assembly tool of the display screen module are characterized in that the elastic limiting piece adopts a bending elastic piece.

The display screen module of the backlight wrapping and attaching piece and the auxiliary assembly tool thereof provided by the utility model are characterized in that the bending elastic sheet is trapezoidal.

The display screen module of the backlight wrapping and attaching piece and the preferred implementation mode of the auxiliary assembly tool of the display screen module are characterized in that clamping grooves matched with the bent elastic pieces are formed in the cover plate and the TFT liquid crystal main screen.

As a preferred implementation mode of the display screen module of the backlight wrapping and attaching piece and the auxiliary assembly tool thereof, the end face of the cover plate protrudes 1-2mm from the protruding retaining wall, and the edge line of the protruding end face of the cover plate is in a chamfer shape.

The display screen module of the backlight wrapping and attaching piece and the auxiliary assembly tool thereof provided by the utility model comprise a frame, a placement die groove and a pressing assembly, wherein the placement die groove and the pressing assembly are arranged on the frame, the pressing assembly comprises a first driving cylinder and a pressing die fixedly arranged at the output end of the first driving cylinder, the pressing die is matched with the placement die groove, and a plurality of pushing assemblies are arranged on the placement die groove.

As a preferred embodiment of the display screen module of the backlight wrapping and attaching piece and the auxiliary assembly tool thereof provided by the utility model, the pushing component comprises a second driving cylinder and a pushing plate fixedly arranged on the second driving cylinder.

As a preferred embodiment of the display screen module of the backlight wrapping and attaching piece and the auxiliary assembly tool thereof provided by the utility model, the pushing block matched with the clamping groove is arranged on the pushing plate.

As a preferred implementation mode of the display screen module of the backlight wrapping and attaching piece and the auxiliary assembly tool thereof, the pushing block adopts a rubber block.

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

according to the display screen module of the backlight wrapping fitting piece and the auxiliary assembly tool thereof, the protruding retaining wall on the backlight can limit the cover plate and the TFT liquid crystal main screen which are assembled in a fitting way, so that the assembly precision of the cover plate and the TFT liquid crystal main screen is improved, meanwhile, the cover plate and the TFT liquid crystal main screen are protected to a certain extent, when the external lateral impact force is born, the protruding retaining wall can buffer and consume the impact force of the part, the impact force is reduced to act on the side walls of the cover plate and the TFT liquid crystal main screen, and the lateral external force impact bearing effect of the display screen module is improved;

through auxiliary assembly tool, can carry out spacingly to the display screen module, realize the connection equipment between each subassembly through pushing away the subassembly simultaneously, effectively improve the equipment precision and the packaging efficiency of display screen module.

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 a display module according to the present utility model;

FIG. 2 is a schematic diagram of a left-view structure of a display module according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure at A-A in FIG. 2;

FIG. 4 is a top view of the cross-sectional structure at B-B in FIG. 3;

FIG. 5 is a schematic perspective view of an auxiliary assembly;

fig. 6 is a schematic diagram of a front view of an auxiliary assembly.

The labels in the figures are illustrated below:

1. a cover plate; 2. TFT liquid crystal main screen; 3. a backlight; 4. a convex retaining wall; 5. a mounting notch; 6. a bending spring plate; 7. a clamping groove; 8. a frame; 9. placing a die cavity; 10. a first drive cylinder; 11. pressing a die; 12. a second driving cylinder; 13. a push plate; 14. pushing the block.

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.

The display screen module of the backlight wrapping and attaching piece and the auxiliary assembly tool thereof in the background technology are easy to crack and damage under the action of external force impact when the mobile phone falls or is impacted by other impacts, and particularly the side edges and corners of the display screen are easy to crack after being directly stressed; the assembly accuracy and efficiency of the display screen module are to be further improved.

In order to solve the technical problem, the utility model provides a display screen module of a backlight wrapping and attaching piece and an auxiliary assembling tool thereof, which are applied to the display screen module and the assembling thereof.

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

Specifically, referring to fig. 1 to 4, a display screen module of the backlight wrapping and attaching member specifically includes:

a cover plate 1 arranged from outside to inside;

a TFT liquid crystal main panel 2; one end face of the TFT liquid crystal main screen 2 is attached to the cover plate 1;

the backlight 3, four groups of the end faces of the backlight 3 are provided with protruding retaining walls 4, the other end face of the TFT liquid crystal main screen 2 is attached to the backlight 3, and the protruding retaining walls 4 are coated on the periphery of the cover plate 1 and the TFT liquid crystal main screen 2.

According to the display screen module of the backlight wrapping fitting piece, the protruding retaining wall 4 on the backlight 3 can limit the cover plate 1 and the TFT liquid crystal main screen 2 which are assembled in a fitting mode, a certain protection effect is achieved on the cover plate 1 and the TFT liquid crystal main screen 2 while the assembly precision of the cover plate 1 and the TFT liquid crystal main screen 2 is improved, when external lateral impact force is born, the protruding retaining wall 4 can buffer and consume part of the impact force, impact force is reduced to act on the side walls of the cover plate 1 and the TFT liquid crystal main screen 2, and the lateral external impact bearing effect of the display screen module is improved.

Example 2

The display screen module of the backlight packaging attaching piece provided in embodiment 1 is further optimized, specifically, as shown in fig. 3, in the display screen module of the backlight packaging attaching piece of the utility model, a mounting notch 5 is arranged at a convex retaining wall 4 on the backlight 3, an elastic limiting piece is mounted at the mounting notch 5, and the convex retaining wall 4 is elastically connected with the cover plate 1 and the TFT liquid crystal main screen 2 through the elastic limiting piece.

Through the elastic limiting piece, can realize protruding barricade 4 and apron 1 and TFT LCD main screen 2 between elastic connection, under the effect of elastic limiting piece, can carry out elasticity spacing to apron 1 and TFT LCD main screen 2, when the adhesive connection between apron 1, TFT LCD main screen 2 and backplate, can further improve the connection compactness between apron 1, TFT LCD main screen 2 and the backplate through the elastic limiting piece, elastic limiting piece has better external impact force buffering effect simultaneously, further improves apron 1, TFT LCD main screen 2's external impact tolerance, under the effect of equivalent external impact force, further effectively reduces apron 1, TFT LCD main screen 2's fracture probability.

Example 3

Further optimization of the backlight wrap-around display screen module provided in example 2, in particular as shown in figure 3,

the backlight package attaching piece of the display screen module is characterized in that the elastic limiting piece is a bending elastic piece 6.

The bending spring piece 6 can be a metal spring piece or a plastic spring piece with an elastic effect, and also can be an elastic component such as a spring; the metal bending spring piece 6 is preferable, and the bending spring piece 6 has good shape plasticity, and when the metal bending spring piece is assembled, the bending part of the bending spring piece 6 faces to one side far away from the middle part of the backlight 3; after assembly, the bending part of the bending spring piece 6 is tightly contacted with the side walls of the cover plate 1 and the TFT liquid crystal main screen 2 so as to realize elastic limit of the cover plate 1 and the TFT liquid crystal main screen 2; and effectively avoid bending form shell fragment 6 to cover plate 1 and TFT LCD main screen 2 to the protruding barricade 4 internal assembly of being in a poor light 3 and cause the interference, improve the packaging efficiency of this display screen module.

Example 4

Further optimization of the backlight wrap-around display screen module provided in example 3, in particular as shown in figure 3,

in the display screen module of the backlight wrapping and attaching piece, the bending spring plate 6 is trapezoid.

The cover plate 1 and the TFT liquid crystal main screen 2 are respectively provided with a clamping groove 7 matched with the bending elastic sheet 6.

The trapezoid arrangement of the bending elastic sheet 6 can improve the contact area between the bending elastic sheet 6 and the cover plate 1 and the TFT liquid crystal main screen 2, so that the cover plate 1 and the TFT liquid crystal main screen 2 are elastically limited better, and the installation stability of the cover plate 1 and the TFT liquid crystal main screen 2 in the convex retaining wall 4 is further improved; the clamping groove 7 can just allow the bending spring plate 6 to be clamped in, so that the cover plate 1 and the TFT liquid crystal main screen 2 are limited, the connection stability of the cover plate 1, the TFT liquid crystal main screen 2 and the backlight 3 is ensured, and the structural strength of the display screen module is improved.

Example 5

Further optimization of the backlight wrap-around display screen module provided in example 1, in particular as shown in figure 2,

according to the display screen module of the backlight wrapping and attaching piece, the end face of the cover plate 1 protrudes 1-2mm from the protruding retaining wall 4, and the edge of the protruding end face of the cover plate 1 is in a chamfer shape.

Through above-mentioned arrangement, can avoid protruding barricade 4 to expose after this display screen module equipment is in cell-phone casing department, and the smooth and easy linking between apron 1 and the protruding barricade 4 can be realized to the chamfer, improves the outward appearance effect.

The utility model provides an auxiliary assembly tool for this display screen module equipment, includes frame 8, installs placing die groove 9 and the pressfitting subassembly on frame 8, and the pressfitting subassembly includes first actuating cylinder 10 and fixed mounting in the pressfitting mould 11 of first actuating cylinder 10 output, and pressfitting mould 11 agrees with placing die groove 9 mutually, is provided with a plurality of pushing components on the placing die groove 9.

The display screen module is placed in the placement die groove 9, the cover plate 1, the TFT liquid crystal main screen 2 and the backlight 3 can be tightly pressed into a whole by the pressing die 11 through starting the first driving cylinder 10, the pushing component can push the bending elastic sheet 6 into the clamping groove 7, and the rapid assembly of the display screen module is realized, so that the assembly precision and the assembly efficiency are improved.

Example 6

In particular, as shown in figures 5-6,

the pushing component comprises a second driving cylinder 12 and a pushing plate 13 fixedly arranged on the second driving cylinder 12. The pushing plate 13 is provided with a pushing block 14 which is matched with the clamping groove 7. The pushing block 14 is a rubber block.

By starting the second driving cylinder 12, the output end of the second driving cylinder 12 extends, the pushing plate 13 is fed, the pushing block 14 on the pushing plate 13 is contacted with the bending elastic sheet 6, the bending direction of the bending elastic sheet 6 is adjusted under the action of the pushing block 14, the bending elastic sheet 6 is bent towards the clamping groove 7, the clamping of the bending elastic sheet 6 and the clamping groove 7 is realized, and the rubber block is adopted, so that excessive pushing force can be prevented from being applied to the cover plate 1 or the TFT liquid crystal main screen 2 in the pushing operation process of the pushing block 14 on the bending elastic sheet 6, and the damage rate of the cover plate 1 and the TFT liquid crystal main screen 2 in the assembling process is effectively reduced.

The use process of the auxiliary assembly tool provided by the utility model is as follows:

the backlight 3 is placed into a placing die groove 9, then the TFT liquid crystal main screen 2 and the cover plate 1 are sequentially placed into a convex retaining wall 4 on the backlight 3 from bottom to top, a first driving cylinder 10 is started, the output end of the first driving cylinder 10 moves downwards, a pressing die 11 is contacted with the cover plate 1, and then vertical downward pressure is applied to the cover plate 1, so that the cover plate 1, the TFT liquid crystal main screen 2 and the backlight 3 are directly and tightly attached, then the output end of a second driving cylinder 12 acts, a pushing plate 13 is fed, a pushing block 14 is contacted with a corresponding bending elastic sheet 6 until the pushing block 14 completely pushes the bending elastic sheet 6 into a corresponding clamping groove 7, and elastic connection of the cover plate 1, the TFT liquid crystal main screen 2 and the backlight 3 is realized through the bending elastic sheet 6; the first driving cylinder 10 and the second driving cylinder 12 are reset, and the assembled display screen module is subjected to blanking.

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 display screen module of back light parcel laminating piece which characterized in that, it includes

A cover plate (1) arranged from outside to inside;

a TFT liquid crystal main screen (2); one end face of the TFT liquid crystal main screen (2) is attached to the cover plate (1);

the backlight (3), four groups of the end faces of the backlight (3) are provided with protruding retaining walls (4), the other end face of the TFT liquid crystal main screen (2) is attached to the backlight (3), and the protruding retaining walls (4) are coated on the periphery of the cover plate (1) and the TFT liquid crystal main screen (2).

2. The display screen module of the backlight packaging attaching piece according to claim 1, wherein an installation notch (5) is formed in a protruding retaining wall (4) on the backlight (3), an elastic limiting piece is installed at the installation notch (5), and the protruding retaining wall (4) is elastically connected with the cover plate (1) and the TFT liquid crystal main screen (2) through the elastic limiting piece.

3. The backlight package bonding piece display screen module according to claim 2, wherein the elastic limiting piece is a bent elastic piece (6).

4. A display module of a backlight package according to claim 3, wherein the bent spring sheet (6) is trapezoidal.

5. The display screen module of the backlight packaging attaching piece according to claim 4, wherein the cover plate (1) and the TFT liquid crystal main screen (2) are respectively provided with a clamping groove (7) which is matched with the bending elastic piece (6).

6. The display screen module of the backlight package attaching piece according to claim 1, wherein the end face of the cover plate (1) protrudes 1-2mm from the protruding retaining wall (4), and the edge line of the protruding end face of the cover plate (1) is in a chamfer shape.

7. An auxiliary assembly tool for assembling according to any one of claims 1-6, comprising a frame (8), a placement cavity (9) mounted on the frame (8) and a pressing assembly, wherein the pressing assembly comprises a first driving cylinder (10) and a pressing die (11) fixedly mounted at the output end of the first driving cylinder (10), the pressing die (11) is matched with the placement cavity (9), and a plurality of pushing assemblies are arranged on the placement cavity (9).

8. The auxiliary assembly tool according to claim 7, wherein the ejector assembly comprises a second drive cylinder (12) and an ejector plate (13) fixedly mounted on the second drive cylinder (12).

9. The auxiliary assembly tool according to claim 8, wherein the pushing plate (13) is provided with a pushing block (14) which is engaged with the clamping groove (7).

10. The auxiliary assembly tool according to claim 9, wherein the pushing block (14) is a rubber block.