CN-224232296-U - Display device

Abstract

The application discloses a display device which comprises a display panel, a driving module and a heat dissipation film, wherein the driving module is connected with the display panel, the heat dissipation film comprises a heat dissipation base material and a graphene layer, the heat dissipation film is attached to the driving module, a microstructure is arranged on one surface of the heat dissipation base material far away from the driving module, the graphene layer is arranged on the heat dissipation base material and attached to the microstructure, and concretely, the microstructure comprises a plurality of grooves, the grooves are distributed at intervals, and part of the graphene layer is filled in the grooves. This has the advantage that the problem of reduced operational stability of the driver chip of the display device can be improved.

Inventors

• LAN QINGSHENG
• LIU KAIYU
• ZHAO YIZHUO
• LIAO WEIPENG
• HAN JINGMIN
• XIAO YIXIN
• WEN YATING
• LI JIN
• CHEN JIAJIA

Assignees

• 深圳市华星光电半导体显示技术有限公司

Dates

Publication Date

20260512

Application Date

20250514

Claims (10)

1. 1. A display device, comprising: a display panel; The driving module is connected with the display panel; The heat dissipation film comprises a heat dissipation substrate and a graphene layer, wherein the heat dissipation film is attached to the driving module, a microstructure is arranged on the surface, away from the driving module, of the heat dissipation substrate, the graphene layer is arranged on the heat dissipation substrate, and the graphene layer is attached to the microstructure.
2. 2. The display device of claim 1, wherein the microstructure comprises a plurality of grooves, the plurality of grooves being spaced apart, wherein a portion of the graphene layer fills the grooves.
3. 3. The display device according to claim 2, wherein an opening of the recess is circular.
4. 4. The display device according to claim 3, wherein the number of grooves is y 1 ≥S 1 /(S 2 -S 3 ), wherein S 1 is an area of the heat dissipation substrate, S 2 is a surface area of the grooves alone, S 3 is an area of openings of the grooves alone, and a depth of the grooves is not smaller than a radius of the openings of the grooves.
5. 5. The display device of claim 2, wherein the opening of the recess is square.
6. 6. The display device according to claim 5, wherein the number of grooves is y 2 ≥S 4 /(S 5 -S 6 ), wherein S 4 is an area of the heat dissipation substrate, S 5 is a surface area of the grooves alone, S 6 is an area of an opening of the grooves alone, and a depth of the grooves is not less than one quarter of a side length of a square.
7. 7. The display device of claim 1, wherein the microstructure comprises a plurality of protrusions, the plurality of protrusions being arranged at intervals, wherein the graphene layer covers the protrusions.
8. 8. The display device according to claim 1, wherein the driving module includes: a driving substrate fixed to the display panel; The driving chip is arranged on one side of the driving substrate far away from the display panel.
9. 9. The display device according to claim 8, wherein the heat dissipation film is disposed on a surface of the driving chip away from the driving substrate.
10. 10. The display device according to claim 8, wherein the heat dissipation film is provided between the driving substrate and the display panel.

Description

Display device Technical Field The application relates to the technical field of display, in particular to a display device. Background Along with the higher resolution of the display device, the working temperature of the driving chip of the display device is higher, so that the heat of the driving chip is easy to accumulate and cannot be timely emitted to the outside, and the working stability of the driving chip of the display device is reduced. Disclosure of utility model Embodiments of the present application provide a display device to improve the problem of reduced operation stability of a driving chip of the display device. An embodiment of the present application provides a display device including: a display panel; The driving module is connected with the display panel; The heat dissipation film comprises a heat dissipation substrate and a graphene layer, wherein the heat dissipation film is attached to the driving module, a microstructure is arranged on the surface, away from the driving module, of the heat dissipation substrate, the graphene layer is arranged on the heat dissipation substrate, and the graphene layer is attached to the microstructure. Further, the microstructure comprises a plurality of grooves, and a plurality of grooves are arranged at intervals, wherein a part of the graphene layer is filled in the grooves. Further, the opening of the groove is circular. Further, the number of grooves y 1≥S1/(S2-S3), wherein S 1 is the area of the heat dissipation substrate, S 2 is the surface area of the grooves, S 3 is the area of the openings of the grooves, and the depth of the grooves is not smaller than the radius of the openings of the grooves. Further, the opening of the groove is square. Further, the number of grooves y 2≥S4/(S5-S6), wherein S 4 is the area of the heat dissipation substrate, S 5 is the surface area of each groove, S 6 is the area of the opening of each groove, and the depth of each groove is not less than one quarter of the side length of a square. Further, the microstructure comprises a plurality of protrusions, and a plurality of protrusions are arranged at intervals, wherein the graphene layer covers the protrusions. Further, the driving module includes: a driving substrate fixed to the display panel; The driving chip is arranged on one side of the driving substrate far away from the display panel. Further, the heat dissipation film is disposed on a surface of the driving chip away from the driving substrate. Further, the heat dissipation film is disposed between the driving substrate and the display panel. The application has the beneficial effects that: The application provides a display device, which is characterized in that a heat dissipation film is arranged and comprises a heat dissipation substrate and a graphene layer, wherein the heat dissipation film is attached to a driving module, a microstructure is arranged on one surface of the heat dissipation substrate, which is far away from the driving module, and the graphene layer is arranged on the heat dissipation substrate, and the graphene layer is attached to the microstructure, so that the contact area between the graphene layer and the heat dissipation substrate can be increased, the heat dissipation efficiency of the heat dissipation film is improved, the heat generated by a driving chip can be emitted to the outside in time, the heat of the driving chip is prevented from being accumulated easily, and the working stability of the driving chip of the display device is improved. Drawings Fig. 1 is a schematic view of a first structure of a display device of the present application; FIG. 2 is a schematic view of a second construction of the display device of the present application; FIG. 3 is a schematic view of a first heat dissipation film of the display device of the present application; FIG. 4 is a schematic view of a second heat dissipation film of the display device of the present application; fig. 5 is a schematic view of a third heat dissipation film of the display device of the present application. Reference numerals illustrate: 100-display panel, 200-driving module, 210-driving substrate, 220-driving chip, 300-heat dissipation film, 310-heat dissipation substrate, 311-microstructure, 3111-groove, 3112-bump and 320-graphene layer. Detailed Description The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. The technical solutions described below are only for explaining and explaining the idea of the present application and should not be construed as limiting the scope of protection of the present application. Furthermore, the terms "first," "second," and the like, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The term "plurality" and similar words mean two or more, unless specifically defined otherwise. The first embodi