CN213182257U

CN213182257U - Multifunctional reflector plate, backlight module and liquid crystal display module

Info

Publication number: CN213182257U
Application number: CN202022182485.4U
Authority: CN
Inventors: 马明亮
Original assignee: Shenzhen Tongxingda Technology Co Ltd
Current assignee: Shenzhen Tongxingda Technology Co Ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-05-11
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a multi-functional reflector plate, backlight unit and liquid crystal display module, wherein multi-functional reflector plate includes: substrate layer, silvered film, protection rete, heat-conducting layer, electromagnetic shield, the silvered film sets up the substrate layer top, the protection rete sets up the silvered film top, the heat-conducting layer sets up the substrate layer below, the electromagnetic shield sets up the below of heat-conducting layer. The utility model discloses a reflector plate function is abundant, not only has the function of conventional reflector plate, can also have thermal conductivity through the heat-conducting layer, can prevent that the heat from gathering, can play better heat conduction radiating effect, can realize good electromagnetic shield effect through the electromagnetic shield layer, can prevent the problem of the LED static breakdown among the ESD test procedure.

Description

Multifunctional reflector plate, backlight module and liquid crystal display module

Technical Field

The utility model relates to a display module assembly technical field especially relates to a multi-functional reflector plate, backlight unit and liquid crystal display module assembly.

Background

Referring to fig. 1, one of the two reflectors is a white resin reflector including a layer of white resin layer 100 with nano-particles for reflecting light, which has low reflectivity, poor heat dissipation effect, no electromagnetic shielding function, and single function. Referring to fig. 2, another reflective sheet is a silver-plated reflective sheet, which includes a PET substrate layer 200 and a silver-plated layer 300, and reflects light through the silver-plated layer, and the reflective sheet has a general reflectivity and a poor heat dissipation effect and an electromagnetic shielding effect.

Accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, provide a multi-functional reflector plate, backlight unit and liquid crystal display.

The technical scheme of the utility model as follows: the utility model provides a multifunctional reflector plate, include: substrate layer, silvered film, protection rete, heat-conducting layer, electromagnetic shield, the silvered film sets up the substrate layer top, the protection rete sets up the silvered film top, the heat-conducting layer sets up the substrate layer below, the electromagnetic shield sets up the below of heat-conducting layer.

Further, an easily-adhered coating layer is arranged between the silver coating layer and the base material layer.

Further, a first adhesive layer is arranged between the heat conduction layer and the base material layer.

Further, a second adhesive layer is arranged between the electromagnetic shielding layer and the heat conduction layer.

Further, the thickness of the silver coating is 1-10 microns.

Further, the thickness of the heat conduction layer is 30-100 microns.

Further, the material of the substrate layer is PET; the protective film layer is made of PET.

Further, the heat conduction layer is graphite sheet or graphite alkene.

The utility model also provides a backlight module, backlight module includes above-mentioned multi-functional reflector plate.

The utility model also provides a liquid crystal display module assembly, liquid crystal display module assembly includes above-mentioned backlight unit.

Adopt above-mentioned scheme, the beneficial effects of the utility model reside in that: the utility model discloses a reflector plate function is abundant, not only has the function of conventional reflector plate, can also have thermal conductivity through the heat-conducting layer, can prevent that the heat from gathering, can play better heat conduction radiating effect, can realize good electromagnetic shield effect through the electromagnetic shield layer, can prevent the problem of the LED static breakdown among the ESD test procedure.

Drawings

Fig. 1 is a schematic structural diagram of a reflector plate in the prior art.

Fig. 2 is a schematic structural diagram of a reflector plate in another prior art.

Fig. 3 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 3, in the present embodiment, the utility model provides a multifunctional reflector plate, including: substrate layer 5, silvered film 7, protection rete 8, heat-conducting layer 3, electromagnetic shield 1, silvered film 7 sets up the top of substrate layer 5, protection rete 8 sets up the top of silvered film 7, heat-conducting layer 3 sets up the below of substrate layer 5, electromagnetic shield 1 sets up the below of heat-conducting layer 3.

Referring to fig. 3, specifically, the material of the substrate layer 5 may be PET, and the thickness of the substrate layer may be 1 micron to 10 microns, and an easily-adhered coating layer 6 is further disposed between the silver plating layer 7 and the substrate layer 5, and the thickness of the easily-adhered coating layer may be 1 micron to 10 microns, so that the silver plating layer 7 can be attached during processing conveniently. The thickness of the silver coating layer 7 can be 1-10 micrometers, the material of the protective film layer 8 can be PET, and the thickness can be 10-25 micrometers. The heat conducting layer 3 is made of a good heat conductor, such as a graphite sheet or graphene, and the thickness of the heat conducting layer can be 30-100 micrometers. A first adhesive layer 4 is further arranged between the heat conduction layer 3 and the substrate layer 5, and the thickness of the first adhesive layer can be 1-10 micrometers, so that the heat conduction layer 3 and the substrate layer 5 can be bonded. Electromagnetic shield layer 1 with can set up second adhesive layer 2 between the heat-conducting layer 3, be used for making bond between heat-conducting layer 3 and the electromagnetic shield layer 1, electromagnetic shield layer 1 chooses for use the material that has electromagnetic shielding function, for example can choose for use for thickness to be the square nation HSF 6000-2.

With reference to fig. 3, the multifunctional reflective sheet in the present embodiment not only has the function of a conventional reflective sheet, but also has a good heat conduction effect by transferring heat through the heat conductive layer 3, which is helpful for dissipating heat and preventing heat accumulation; through the electromagnetic shielding layer, a better electromagnetic shielding function can be realized, and when the LED backlight module is used in a backlight module, the problem of LED electrostatic breakdown generated in the ESD test process can be prevented.

The utility model also provides a backlight module, backlight module includes above-mentioned multi-functional reflector plate. Because the functional reflector plate is provided with the heat conducting layer, when the functional reflector plate is assembled on the backlight module, heat can be quickly conducted to the back of the whole backlight module, and heat accumulation can be avoided. The problem of LED electrostatic breakdown in the ESD test process can be prevented through the electromagnetic shielding layer of the multifunctional reflector plate.

The utility model also provides a liquid crystal display, liquid crystal display module includes foretell backlight unit.

To sum up, the utility model discloses a reflector plate function is abundant, not only has the function of conventional reflector plate, can also have thermal conductivity through the heat-conducting layer, can prevent that the heat from gathering, can play better heat conduction radiating effect, can realize good electromagnetic shield effect through the electromagnetic shield layer, can prevent the problem of the LED static breakdown among the ESD test procedure.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A multifunctional reflective sheet, comprising: substrate layer, silvered film, protection rete, heat-conducting layer, electromagnetic shield, the silvered film sets up the substrate layer top, the protection rete sets up the silvered film top, the heat-conducting layer sets up the substrate layer below, the electromagnetic shield sets up the below of heat-conducting layer.

2. The multifunctional reflector sheet of claim 1 wherein an easy-to-adhere coating layer is further disposed between the silver-plated layer and the substrate layer.

3. The multifunctional reflector sheet of claim 1, wherein a first adhesive layer is further disposed between the heat conductive layer and the substrate layer.

4. The multifunctional reflector sheet according to claim 1, wherein a second adhesive layer is further provided between the electromagnetic shielding layer and the heat conductive layer.

5. The multifunctional reflector sheet of any one of claims 1 to 4, wherein the silver coating has a thickness of 1-10 microns.

6. The multifunctional reflector sheet of any one of claims 1 to 4, wherein the thickness of the thermally conductive layer is 30-100 microns.

7. The multifunctional reflective sheet according to any one of claims 1 to 4, wherein the material of the substrate layer is PET; the protective film layer is made of PET.

8. The multifunctional reflector sheet of any one of claims 1 to 4, wherein the thermally conductive layer is a graphite sheet or graphene.

9. A backlight module, characterized in that the backlight module comprises the multifunctional reflecting sheet according to any one of claims 1 to 8.

10. A liquid crystal display module, wherein the liquid crystal display module comprises the backlight module as claimed in claim 9.