CN216491682U

CN216491682U - Heat radiation shielding sheet

Info

Publication number: CN216491682U
Application number: CN202122506890.1U
Authority: CN
Inventors: 时伟杰; 徐姣; 孙武
Original assignee: Sk And High Tech Materials Suzhou Co ltd
Current assignee: Sk And High Tech Materials Suzhou Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-05-10
Anticipated expiration: 2031-10-19

Abstract

The utility model relates to the field of functional films of LED displays and discloses a heat dissipation shielding sheet which comprises an adhesive layer, a heat dissipation sheet, a heat dissipation shielding layer, heat dissipation holes and graphite, wherein the adhesive layer is arranged above the heat dissipation sheet and connected with the heat dissipation sheet, the heat dissipation shielding layer is arranged below the heat dissipation sheet and connected with the heat dissipation sheet, the heat dissipation holes are formed in the side surface of the heat dissipation sheet, the graphite is arranged inside the heat dissipation shielding layer, and the graphite is connected with the heat dissipation shielding layer. In addition, the problems of image quality reduction of the liquid crystal display, shortening of the life of the LED panel, and the like, and the problems of generation of wrinkles and wrinkles in the sheet due to high heat and non-uniform heat generated from the liquid crystal display can be reduced to some extent.

Description

Heat radiation shielding sheet

Technical Field

The utility model relates to the field of functional films of LED displays, in particular to a heat dissipation shielding sheet.

Background

The energy efficiency of the light emitted by the LED light sources of the existing edge type backlight units is not high. Resulting in problems such as degradation of image quality of the display, shortening of the life of the LED panel, and the like. In addition, the high and uneven heat generated by the liquid crystal display causes problems such as waviness and wrinkles of the sheet.

For this reason, we have designed heat-dissipating shields.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the heat dissipation shielding sheet, and solves the problem of low service life of the conventional equipment.

In order to achieve the purpose, the utility model adopts the technical scheme that: the radiating shielding sheet comprises a pasting layer, radiating fins, a radiating shielding layer, radiating holes and graphite, wherein the pasting layer is arranged above the radiating fins, the pasting layer is connected with the radiating fins, the radiating shielding layer is arranged below the radiating fins, the radiating shielding layer is connected with the radiating fins, the radiating holes are arranged on the side surfaces of the radiating fins, the graphite is arranged inside the radiating shielding layer, and the graphite is connected with the radiating shielding layer.

Furthermore, the radiating fin is made of plastic resin.

Furthermore, a plurality of groups of heat dissipation holes are respectively arranged on the side surface of the heat dissipation fin.

Furthermore, a plurality of groups of graphite are respectively arranged inside the heat dissipation shielding layer.

The utility model has the beneficial effects that: the utility model discloses a, through the heat dissipation shielding piece of plastic resin and graphite alkene or graphite to improve the energy efficiency of the light that sends from the LED light source of edge type backlight unit, thereby prevent LCD's luminance decline. In addition, the problems of image quality reduction, shortened service life of the LED panel and the like of the liquid crystal display, and the problems of corrugation and wrinkle of the sheet caused by high heat and uneven heat generated by the liquid crystal display can be reduced to some extent.

Drawings

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a schematic side view of the present invention; fig. 3 is a side cross-sectional view of the present invention.

In the figure: 1. a pasting layer; 2. a heat sink; 3. a heat dissipation shielding layer; 4. heat dissipation holes; 5. graphite.

Detailed Description

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 clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to FIGS. 1-3: radiating shielding piece, including pasting layer 1, fin 2, radiating shielding layer 3, louvre 4 and graphite 5, paste layer 1 and locate fin 2 top, and paste layer 1 and be connected with fin 2, radiating shielding layer 3 locates fin 2 below, and radiating shielding layer 3 is connected with

fin

2, and 2 side surfaces of fin are located to louvre 4, and inside radiating shielding layer 3 was located to graphite 5, and graphite 5 is connected with radiating shielding layer 3.

Wherein, the heat sink 2 is made of plastic resin, a plurality of groups of heat dissipation holes 4 are respectively arranged on the side surface of the heat sink 2, and a plurality of groups of graphite 5 are respectively arranged inside the heat dissipation shielding layer 3.

In summary, the present invention improves the energy efficiency of light emitted from the LED light source of the edge type backlight unit by the plastic resin and the heat dissipation shielding sheet of graphene 5 or graphite 5 when in use, thereby preventing the luminance of the liquid crystal display from being lowered. In addition, the problems of image quality reduction of the liquid crystal display, shortening of the life of the LED panel, and the like, and the problems of generation of wrinkles and wrinkles in the sheet due to high heat and non-uniform heat generated from the liquid crystal display can be reduced to some extent.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. Heat dissipation shielding piece, including pasting layer (1), fin (2), heat dissipation shielding layer (3), louvre (4) and graphite (5), its characterized in that: paste layer (1) and locate fin (2) top, and paste layer (1) and be connected with fin (2), fin (2) below is located in heat dissipation shielding layer (3), and heat dissipation shielding layer (3) are connected with fin (2), and louvre (4) are located fin (2) side surface, and inside heat dissipation shielding layer (3) was located in graphite (5), and graphite (5) are connected with heat dissipation shielding layer (3).

2. The heat-dissipating shield sheet according to claim 1, wherein: the radiating fin (2) is made of plastic resin.

3. The heat-dissipating shield sheet according to claim 1, wherein: the side surfaces of the radiating fins (2) are respectively provided with a plurality of groups of radiating holes (4).

4. The heat-dissipating shield sheet according to claim 1, wherein: a plurality of groups of graphite (5) are respectively arranged in the heat dissipation shielding layer (3).