CN217718927U

CN217718927U - Backlight structure

Info

Publication number: CN217718927U
Application number: CN202221625529.9U
Authority: CN
Inventors: 陈建霖; 康飞旺; 李航
Original assignee: Xinli Photoelectric Renshou Co Ltd
Current assignee: Xinli Photoelectric Renshou Co Ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-11-01
Anticipated expiration: 2032-06-27

Abstract

The utility model provides a structure in a poor light, including mounting bracket, TFT glass, lower polaroid, the diffusion barrier that adds lustre to, TFT glass sets up in the mounting bracket top, polaroid, diffusion barrier have set gradually down between mounting bracket and the TFT glass, fix through glue between TFT glass lower surface and the lower polaroid upper surface, the diffusion barrier includes the diffusion barrier body that adds lustre to. The utility model discloses in fix mounting bracket and TFT glass through the hot melt adhesive, play fixed and shading's effect, both sides limit frameless is shaded, it is protruding with the second through the first arch that sets up on membrane and the diffusion barrier, membrane and diffusion barrier both sides indent have been realized adding lustre to, the indent degree of depth is between 0.05 to 0.2, guarantee to add lustre to membrane and diffusion barrier after the card advances the mounting bracket, can not lead to the side to hug closely the mounting bracket because of shifting, membrane and diffusion barrier just can not be fixed to the hot melt adhesive like this, avoid the appearance of membrane wrinkle phenomenon.

Description

Backlight structure

Technical Field

The utility model relates to an integrated touch-control display module assembly technical field particularly, relates to a structure in a poor light.

Background

With the continuous popularization and development of smart phones, the market competition of smart phones is also intensified day by day. The customer is more and more narrow to the requirement of frame, and the both sides limit that requires to be shaded like this is also narrower, and on the integrated touch-control display module assembly design, the frame is glued to narrower frame in a poor light can't take shape, also can't paste shading and glue, consequently needs a neotype smart mobile phone structure in a poor light, can reduce the membrane wrinkle phenomenon when shortening the distance on both sides limit in a poor light.

The existing chinese patent discloses a backlight structure with an authorization publication number of CN214375714U and a publication date of 2021.10.08, and the patent technology discloses a high-brightness mobile phone backlight source, which includes: the utility model discloses a backlight plate, waterproof rubber coating has been paintd to backlight plate's outside a week, waterproof rubber coated outside fixed mounting has the high strength fender frame, one side symmetry fixed mounting of high strength fender frame has four mounts seats, one side of mount seat is provided with the fixed plate, mounting fixture is installed to one side symmetry of fixed plate, one side fixed mounting of fixed plate has the buffering post, one side fixed mounting of buffering post has the connecting block, one side fixed mounting of connecting block has the flexible piece, one side evenly distributed of flexible piece has the flexible clamp, flexible clamp fixed joint is at the side of backlight plate. Through the combination that sets up high strength bearer bar and mount pad for after installing this highlight cell-phone board in a poor light, play check fender guard action through the high strength bearer bar to a week of backlight board in the use, can play effectual cushioning effect through the buffer column on the mount pad, thereby effectually avoided the cell-phone in the use owing to drop to produce violent vibrations and lead to the damage of backlight board to cause unable normal use's problem of continuation. But there still exists a problem in that the distance between both side edges of the backlight is excessively large.

Therefore, we improve this and propose a backlight structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an: the problems that the distance between two side edges of the backlight is too high and films are wrinkled in the assembling process exist at present are solved.

In order to realize the above utility model purpose, the utility model provides a structure is shaded, it mainly realizes through following technical scheme:

the utility model provides a structure in a poor light, includes mounting bracket, TFT glass, lower polaroid, membrane of adding lustre to and diffusion barrier, TFT glass sets up in the mounting bracket top, polaroid, membrane of adding lustre to, diffusion barrier have set gradually between mounting bracket and the TFT glass, the membrane of adding lustre to includes the membrane body of adding lustre to, the diffusion barrier includes the diffusion barrier body.

As the utility model provides a preferred technical scheme of structure in a poor light, fix through glue between TFT glass lower surface and the lower polaroid upper surface.

As the utility model provides a preferred technical scheme of structure is shaded, it has the hot melt adhesive to fill between mounting bracket top and the lower polaroid lower surface. Through the hot melt adhesive that sets up, realized that both sides limit in a poor light does not have the frame, fix mounting bracket and TFT glass through the hot melt adhesive, play fixed and shading's effect, solved the problem of the distance overlength on both sides limit in a poor light among the prior art.

As the utility model provides a preferred technical scheme of structure in a poor light, border position department between mounting bracket and the lower polaroid all is provided with the glue permeation point, and the hot melt adhesive is filled in glue permeation point position department.

As the utility model provides a preferred technical scheme of structure is shaded, fix through glue between membrane and the diffusion barrier that adds lustre to.

As the utility model provides a preferred technical scheme of structure in a poor light, membrane body lateral wall four corners adds lustre to is provided with first arch respectively.

As the utility model provides a preferred technical scheme of structure in a poor light, diffusion barrier body lateral wall four corners is provided with the second arch respectively.

As the utility model provides a preferred technical scheme of structure in a poor light, the diffusion barrier body all is less than the mounting bracket width with membrane width that adds lustre to.

As the utility model provides a preferred technical scheme of structure in a poor light, TFT glass all is greater than the mounting bracket width with lower polaroid width, both ends cover respectively in TFT glass lateral wall top and mounting bracket lateral wall middle part about the hot melt adhesive.

As the utility model provides a preferred technical scheme of structure in a poor light, the diffusion barrier body is the same with the membrane size that adds lustre to, TFT glass is the same with lower polaroid size.

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

in the scheme of the utility model: 1. due to the arrangement of the hot melt adhesive, no frame is arranged on the two side edges of the backlight, the mounting frame and the TFT glass are fixed through the hot melt adhesive, the fixing and shading effects are achieved, and the problem that the distance between the two side edges of the backlight is too long in the prior art is solved;

2. first arch through setting up is protruding with the second, has realized the membrane that adds lustre to and diffusion barrier both sides indent, and the indent degree of depth is between 0.05 to 0.2, guarantees that the membrane that adds lustre to and diffusion barrier after the card advances the mounting bracket, can not lead to the side to hug closely the mounting bracket because of shifting, and the hot melt adhesive just can not fix the membrane that adds lustre to and diffusion barrier like this, has solved among the prior art and will appear the problem of membrane wrinkle phenomenon after doing the reliability experiment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic cross-sectional view of a first viewing angle of a backlight structure provided by the present invention;

fig. 2 is a schematic cross-sectional view of a second viewing angle of the backlight structure provided by the present invention;

fig. 3 is a schematic perspective view of a brightness enhancement film with a backlight structure provided by the present invention;

fig. 4 is a schematic perspective view of a diffusion film with a backlight structure according to the present invention.

The following are marked in the figure:

1. a mounting frame;

2. TFT glass;

3. a lower polarizer;

4. a brightness enhancement film; 401. a brightness enhancement film body; 402. a first protrusion;

5. a diffusion membrane; 501. a diffusion membrane body; 502. a second protrusion;

6. hot melt adhesive; 601. and (5) glue permeating points.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

As shown in fig. 1-4, the utility model provides a backlight structure, including mounting bracket 1, TFT glass 2, lower polaroid 3, membrane 4 and diffusion barrier 5, TFT glass 2 sets up in mounting bracket 1 top, fixes mounting bracket 1 and TFT glass 2 together through hot melt adhesive 6, plays the effect of fixing and shading.

Through the hot melt adhesive that sets up, realized being shaded both sides limit frameless, fixed with mounting bracket and TFT glass through the hot melt adhesive, play fixed and the effect of shading, solved among the prior art problem of the distance overlength on the both sides limit of being shaded.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them.

Thus, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

The utility model relates to an embodiment 1 of structure is shaded:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the present embodiment provides a backlight structure, which includes an installation frame 1, a TFT glass 2, a lower polarizer 3, a brightness enhancement film 4 and a diffusion film 5, the TFT glass 2 is disposed above the installation frame 1, the installation frame 1 and the TFT glass 2 are fixed by a hot melt adhesive 6, so as to perform fixing and shading functions, no additional frame is required on the backlight side, and distance between the backlight side and the TFT glass 2 is reduced, the lower polarizer 3, the brightness enhancement film 4 and the diffusion film 5 are sequentially disposed between the installation frame 1 and the TFT glass 2, the brightness enhancement film 4 includes a brightness enhancement film body 401, the brightness enhancement film 4 reduces unnecessary irregular light emitted from the screen, so that a user can see the screen without glaring, the diffusion film 5 includes a diffusion film body 501, and the diffusion film 5 is used for diffusing light, so as to make it uniform.

The utility model relates to an embodiment 2 of structure is shaded:

the scheme of example 1 is further described below in conjunction with specific working modes, which are described in detail below:

As shown in fig. 1 and fig. 2, in addition to the above-mentioned embodiments, as a preferred embodiment, the lower surface of the TFT glass 2 and the upper surface of the lower polarizer 3 are fixed by glue.

As shown in fig. 1 and fig. 2, as a preferred embodiment, in addition to the above manner, a hot melt adhesive 6 is further filled between the top end of the mounting frame 1 and the lower surface of the lower polarizer 3.

As shown in fig. 1 and fig. 2, as a preferred embodiment, in addition to the above manner, further, glue-seeping points 601 are disposed at the edge positions between the mounting frame 1 and the lower polarizer 3, and the hot melt adhesive 6 is filled at the positions of the glue-seeping points 601.

As shown in fig. 1 and fig. 2, as a preferred embodiment, on the basis of the foregoing manner, further, the widths of the TFT glass 2 and the lower polarizer 3 are both greater than the width of the mounting frame 1, and the upper end and the lower end of the hot melt adhesive 6 respectively cover the top end of the side wall of the TFT glass 2 and the middle portion of the side wall of the mounting frame 1.

The utility model relates to an embodiment 3 of structure is shaded:

the schemes of example 1 and example 2 are further described below in conjunction with specific working examples, which are described in detail below:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, this embodiment provides a backlight structure, which includes an installation frame 1, a TFT glass 2, a lower polarizer 3, a brightness enhancement film 4 and a diffusion film 5, the TFT glass 2 is disposed above the installation frame 1, the installation frame 1 and the TFT glass 2 are fixed by a hot melt adhesive 6, so as to perform fixing and shading functions, no additional frame is required on the backlight side, distance between two sides of the backlight is reduced, the lower polarizer 3, the brightness enhancement film 4 and the diffusion film 5 are sequentially disposed between the installation frame 1 and the TFT glass 2, the brightness enhancement film 4 includes a brightness enhancement film body 401, the brightness enhancement film 4 reduces the excessive irregular light emitted, so that a user can see the screen without glaring, the diffusion film 5 includes a diffusion film body 501, and the diffusion film 5 is used for diffusing light, so as to make it uniform.

As shown in fig. 1 and 2, in addition to the above-described embodiment, the brightness enhancement film 4 and the diffusion film 5 are preferably fixed by glue.

As shown in fig. 3, in addition to the above-mentioned mode, in a preferred embodiment, the four corners of the side wall of the brightness enhancement film body 401 are respectively provided with a first protrusion 402, and the outer concave height is between 0.05 and 0.2, so that after the brightness enhancement film body 401 is clamped into the mounting frame 1, the side edge of the brightness enhancement film body is not tightly attached to the mounting frame 1 due to displacement.

As shown in fig. 4, as a preferred embodiment, in addition to the above manner, further, four corners of a sidewall of the diffusion film body 501 are respectively provided with a second protrusion 502, and an outer concave height is between 0.05 and 0.2, so that after the diffusion film body 501 is clamped into the mounting rack 1, a side edge of the diffusion film body is not tightly attached to the mounting rack 1 due to displacement.

As shown in fig. 1 and 2, in addition to the above-described embodiment, in a preferred embodiment, the diffusion film main body 501 and the brightness enhancement film 4 are both smaller in width than the mount 1.

As shown in fig. 1 and 2, in addition to the above-described embodiment, the diffusion film main body 501 is preferably the same size as the brightness enhancement film 4, and the TFT glass 2 is preferably the same size as the lower polarizer 3.

The utility model discloses a theory of operation is:

specifically, the utility model discloses structure in a poor light is at during operation/when using: fix through glue between 2 lower surfaces of TFT glass and 3 upper surfaces of lower polaroid, fix mounting bracket 1 and TFT glass 2 through hot melt adhesive 6, realized that two side edges in a poor light are borderless, fix through glue between membrane 4 and the diffusion barrier 5 of adding lustre to, but always leave between TFT glass 2 and the mounting bracket 1 and ooze gluey point 601, lead to in hot melt adhesive 6 gets into mounting bracket 1 through oozing gluey point 601 easily, membrane 4 and diffusion barrier 5 can't remove after membrane 6 will add lustre to 4 and 5 side fixing of diffusion barrier, will appear membrane wrinkle phenomenon after doing the reliability experiment, influence the effect, this moment through setting up first arch 402 respectively in membrane body 401 lateral wall four corners of adding lustre to, the outer concave height is between 0.05 to 0.2, guarantee that membrane body 401 is after the card advances mounting bracket 1, can not lead to the side because of shifting and lead to hugging closely because the side leads to the mounting bracket 5, diffusion barrier 5 sets up second arch 502 respectively in the lateral wall four corners on the same principle, guarantee that diffusion barrier 501 advances lustre to after the mounting bracket 1, can not lead to hug closely because of shifting and lead to hug closely because of the side and lead to the side 1, can not lead to the phenomenon, avoid the appearance of diffusion barrier 5 appearing because of adding lustre to shift like this.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims

1. The utility model provides a backlight structure, includes mounting bracket (1), TFT glass (2), lower polaroid (3), membrane of adding luminance (4) and diffusion barrier (5), its characterized in that, TFT glass (2) set up in mounting bracket (1) top, polaroid (3), membrane of adding luminance (4), diffusion barrier (5) have set gradually down between mounting bracket (1) and TFT glass (2), membrane of adding luminance (4) are including membrane of adding luminance body (401), diffusion barrier (5) are including diffusion barrier body (501).

2. The backlight structure as claimed in claim 1, wherein the lower surface of the TFT glass (2) and the upper surface of the lower polarizer (3) are fixed by glue.

3. The backlight structure according to claim 1, wherein a hot melt adhesive (6) is filled between the top of the mounting frame (1) and the lower surface of the lower polarizer (3).

4. The backlight structure according to claim 3, wherein the edge positions between the mounting frame (1) and the lower polarizer (3) are provided with glue-penetrated points (601), and the hot melt adhesive (6) is filled at the positions of the glue-penetrated points (601).

5. The backlight structure as claimed in claim 1, wherein the brightness enhancement film (4) and the diffusion film (5) are fixed by glue.

6. The backlight structure according to claim 1, wherein four corners of a sidewall of the brightness enhancement film body (401) are respectively provided with a first protrusion (402).

7. The backlight structure as claimed in claim 1, wherein the diffusion film body (501) is provided with second protrusions (502) at four corners of its side walls.

8. The backlight structure according to claim 1, wherein the diffusion film body (501) and the brightness enhancement film (4) have widths smaller than the width of the mounting frame (1).

9. The backlight structure according to claim 3, wherein the widths of the TFT glass (2) and the lower polarizer (3) are both greater than the width of the mounting frame (1), and the upper end and the lower end of the hot melt adhesive (6) respectively cover the top end of the side wall of the TFT glass (2) and the middle part of the side wall of the mounting frame (1).

10. The backlight structure according to claim 1, wherein the diffusion film body (501) is the same size as the brightness enhancement film (4), and the TFT glass (2) is the same size as the lower polarizer (3).