CN219225263U - Buffer layer for backlight module, backlight module and display module - Google Patents

Abstract

The utility model discloses a buffer layer for a backlight module, the backlight module and a display module, wherein the buffer layer for the backlight module comprises: buffer layer body, buffer layer body includes: release paper; the first double-sided adhesive layer at least partially covers the release paper; the sponge layer covers the first double-sided adhesive layer; a second double-sided adhesive layer covering the sponge layer; the first release film layer has one sticky side, one non-sticky side and one non-sticky side at least partially covers the second double-sided adhesive layer; and the second release film layer covers the first release film layer. According to the utility model, the non-sticky surface of the first release film layer is covered with the second double-sided adhesive layer of the sponge, and the sticky surface of the first release film layer is covered with the second release film layer, so that the first release film layer is taken away by the second release film layer during release, and cannot remain on the sponge or bring the sponge up, thereby avoiding layering of the sponge and ensuring the yield of the backlight module and the display effect of the display panel.

Description

Buffer layer for backlight module, backlight module and display module

Technical Field

The present utility model relates to the technical field of backlight modules, and particularly to a buffer layer for a backlight module, a backlight module and a display module.

Background

Along with the development of the vehicle-mounted display module, the vehicle-mounted backlight die sinking size is larger and larger, and the backlight double-sided adhesive sponge size is larger and larger. As shown in fig. 1 and fig. 2, the sponge 10' is a whole body, the price can be obviously increased, the cost is increased, in order to reduce the cost, the spliced sponge is generated, as shown in fig. 3 and fig. 4, a frame shape is spliced by a plurality of strip-shaped sponges 10', as shown in fig. 5, as the upper side and the lower side of the sponge 10' at the spliced joint position are covered with the double-sided adhesive layer 20' and the release film 30' is covered on the double-sided adhesive layer 20', when in use, the release film 30' needs to be uncovered but the risk of carrying the sponge 10' exists, the sponge 10' is layered, the yield of the backlight module is affected, and even the display effect of the display panel is affected.

In view of this, it is necessary to improve the existing spliced sponge frame, avoid sponge layering, and ensure the yield of the backlight module and the display effect of the display panel.

Disclosure of Invention

The utility model discloses a buffer layer for a backlight module, the backlight module and a display module, which are used for solving the problem that the sponge of the buffer layer is easy to layer and influence the yield of the backlight module in the prior art.

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

provided is a buffer layer for a backlight module, comprising: the buffer layer body, the buffer layer body includes:

release paper;

the first double-sided adhesive layer at least partially covers the release paper;

a sponge layer covering the first double-sided adhesive layer;

a second double-sided adhesive layer covering the sponge layer;

the first release film layer has one sticky side, one non-sticky side and one non-sticky side at least partially covers the second double-sided adhesive layer;

and the second release film layer covers the first release film layer.

In the above scheme, the buffer layer body is of a frame structure.

In the above scheme, the first release film layer covers four corners of the second double-sided adhesive layer.

In the above scheme, the buffer layer body comprises a plurality of buffer strips, and each buffer strip's tip is equipped with recess or bulge, the recess with the bulge can splice each other.

The utility model also provides a backlight module, which comprises the buffer layer for the backlight module.

In the above scheme, the backlight module further comprises a first frame and a second frame which are mutually buckled and used for fixing the backlight module.

In the above aspect, the buffer layer body at least partially covers the first frame.

In the above scheme, the backlight source is also included.

The utility model also provides a display module, which comprises the backlight module according to any one of the schemes.

In the above scheme, the backlight module further comprises a display panel, wherein the display panel and the backlight module are arranged in a stacked mode to cover the buffer layer body.

The technical scheme adopted by the utility model can achieve the following beneficial effects:

the first one side that leaves the type rete non-viscosity covers with the second double-sided adhesive layer of sponge, and the first one side that leaves the type rete and have the viscosity covers the second from the type rete, and when leaving the type, the first type rete that leaves just is taken away by the second from the type rete, can not remain on the sponge and also can not take the sponge up, has avoided the sponge to appear layering phenomenon, has guaranteed backlight unit's yield and display panel's display effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments are briefly described below to form a part of the present utility model, and the exemplary embodiments of the present utility model and the description thereof illustrate the present utility model and do not constitute undue limitations of the present utility model. In the drawings:

FIG. 1 is a schematic diagram of a buffer layer for a backlight module according to the prior art;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic diagram of a buffer layer for a backlight module according to another embodiment of the prior art;

FIG. 4 is an enlarged view at B in FIG. 3;

fig. 5 is a cross-sectional view of fig. 3.

Fig. 6 is a cross-sectional view of a buffer layer for a backlight module according to an embodiment of the utility model.

The method specifically comprises the following reference numerals:

sponge-10' in the prior art; double-sided adhesive layer-20' in the prior art; release film-30' in the prior art; buffer layer body-10; release paper-11; a first double-sided adhesive layer-12; a sponge layer-13; a second double-sided adhesive layer 14; a first release film layer-15; and a second release film layer-16.

Detailed Description

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

Example 1

As shown in fig. 6, the buffer layer for a backlight module provided by the present utility model includes: buffer layer body 10, buffer layer body 10 includes:

a release paper 11; a first double-sided adhesive layer 12 at least partially covering the release paper 11; a sponge layer 13 covering the first double-sided adhesive layer 12; a second double-sided adhesive layer 14 covering the sponge layer 13; the first release film layer 15 has one sticky side, one non-sticky side and one non-sticky side at least partially covers the second double-sided adhesive layer 14; the second release film layer 16 covers the first release film layer 15.

According to the utility model, the non-sticky surface of the first release film layer 15 is covered with the second double-sided adhesive layer 14, the sticky surface of the first release film layer 15 is covered with the second release film layer 16, and when in release, the first release film layer 15 is taken away by the second release film layer 16, so that the sponge cannot be remained on the sponge and cannot be lifted up, the layering phenomenon of the sponge is avoided, and the yield of the backlight module and the display effect of the display panel are ensured.

Similarly, the second release film 16 is also adhesive and non-adhesive, preferably, the adhesive side of the second release film 16 covers the first release film 15, so that the non-adhesive side of the second release film 16 is exposed to the outside, and the second release film 16 is prevented from adhering to other positions to affect the use of the buffer layer body 10.

The buffer layer body 10 has a frame structure. Since the buffer layer body 10 is used for the backlight module, the frame structure can buffer the periphery of the backlight module.

The buffer layer body 10 is composed of a plurality of buffer strips, and the end parts of each buffer strip are provided with grooves or protruding parts which can be spliced with each other. And further forms a frame-type buffer layer body 10. If the whole sponge is directly punched and cut into a frame shape, the utilization rate of the material is low, the waste of the material is caused, and the cost is increased, so that the sponge is designed into a spliced structure, the utilization rate of the material is increased, and the cost is reduced.

The first release film layer 15 covers four corners of the second double-sided adhesive layer 14. The splice of the buffer layer body 10 can be fixed before the buffer layer body 10 is used.

Example 2

The utility model also provides a backlight module, which comprises the buffer layer for the backlight module in the embodiment 1.

The backlight module further comprises a first frame and a second frame which are mutually buckled and used for fixing the backlight module. The buffer layer body 10 at least partially covers the first frame.

The LED backlight module further comprises a backlight source, and the display panel is a liquid crystal display panel and cannot emit light autonomously, so that the backlight source is required to provide brightness, and the backlight source is preferably an LED, so that the LED backlight module is high in brightness, low in cost and long in service life.

Example 3

The utility model also provides a display module, which comprises the backlight module in the embodiment 2.

The display panel is laminated with the backlight module and covers the buffer layer body 10. The buffer layer body 10 can fix the display panel and alleviate the phenomenon that the display panel has uneven brightness.

According to the utility model, the non-sticky surface of the first release film layer is covered with the second double-sided adhesive layer of the sponge, and the sticky surface of the first release film layer is covered with the second release film layer, so that the first release film layer is taken away by the second release film layer during release, and cannot remain on the sponge or bring the sponge up, thereby avoiding layering of the sponge and ensuring the yield of the backlight module and the display effect of the display panel.

The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are to be protected by the present utility model.

Claims (10)

1. The utility model provides a buffer layer for backlight unit which characterized in that includes: the buffer layer body, the buffer layer body includes:

release paper;

the first double-sided adhesive layer at least partially covers the release paper;

a sponge layer covering the first double-sided adhesive layer;

a second double-sided adhesive layer covering the sponge layer;

the first release film layer has one sticky side, one non-sticky side and one non-sticky side at least partially covers the second double-sided adhesive layer;

and the second release film layer covers the first release film layer.

2. The buffer layer for a backlight module according to claim 1, wherein the buffer layer body has a frame structure.

3. The buffer layer for a backlight module according to claim 2, wherein the first release film layer covers four corners of the second double-sided adhesive layer.

4. The buffer layer for a backlight module according to claim 1, wherein the buffer layer body is composed of a plurality of buffer strips, and each buffer strip is provided with a groove or a protrusion at an end portion, and the grooves and the protrusions can be spliced with each other.

5. A backlight module comprising the buffer layer for a backlight module according to any one of claims 1 to 4.

6. A backlight module according to claim 5, further comprising a first frame and a second frame fastened to each other for fixing the backlight module.

7. A backlight module according to claim 6, wherein the buffer layer body at least partially covers the first frame.

8. A backlight module according to claim 5, further comprising a backlight.

9. A display module comprising a backlight module according to any one of claims 5-8.

10. The display module of claim 9, further comprising a display panel laminated with the backlight module and covering the buffer layer body.

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