Granted Patent B2

US 12,376,270 · App. 18/109,860 · Granted Jul 29, 2025

Inventors: Wei Jiang (Xiamen, CN); Zhiwei Wang (Xiamen, CN)

Assignee: Xiamen Tianma Display Technology Co., Ltd.

H05K7/20963G09F9/30H05K7/20509

Abstract

Claims (43)

1. A display device comprising:

a display panel;

a structure to be dissipated located at one side of a backlight surface of the display panel; and

a heat dissipation structure located at one side of the structure to be dissipated away from the display panel,

wherein:

the heat dissipation structure includes a first heat dissipation member, a second heat dissipation member and a third heat dissipation member arranged at one side of the second heat dissipation member away from the first heat dissipation member, the first heat dissipation member being connected to the second heat dissipation member through a first connection member and the third heat dissipation member being connected to the second heat dissipation member through a second connection member;

the first heat dissipation member, the second heat dissipation member and the third heat dissipation member at least partially overlap along a first direction perpendicular to a plane where the display panel is located; and

a first interval is between the first heat dissipation member and the second heat dissipation member in the first direction.

2. The display device according to claim 1 , wherein:

a second interval is between the second heat dissipation member and the third heat dissipation member in the first direction; and

the second heat dissipation member includes a first end and a second end that are opposite in a second direction intersecting the first direction, the first connection member being connected to the first end, and the second connection member being connected to the second end.

3. The display device according to claim 2 , wherein:

the first heat dissipation member is located at one side of the second heat dissipation member close to the structure to be dissipated; and

a size of the first interval in the first direction is larger than a size of the second interval in the first direction.

4. The display device according to claim 2 , wherein:

the first connection member includes an arc segment, the arc segment being connected to a same side of the first heat dissipation member and the second heat dissipation member in the second direction; and

the arc segment is formed by protruding in a direction away from the first heat dissipation member and the second heat dissipation member in the second direction.

5. The display device according to claim 2 , wherein the first heat dissipation member, the first connection member, the second heat dissipation member, the second connection member, and the third heat dissipation member are connected to each other to form an integrated structure.

6. The display device according to claim 1 , wherein:

there are a plurality of heat dissipation structures, the plurality of the heat dissipation structures including a first heat dissipation structure and a second heat dissipation structure that are spaced apart in a second direction intersecting the first direction; and

a size of the first heat dissipation structure in the second direction is the same as a size of the second heat dissipation structure in the second direction.

7. The display device according to claim 6 , wherein a minimum distance between the first heat dissipation structure and the second heat dissipation structure is L 1 , and a maximum distance between the first heat dissipation structure and the second heat dissipation structure is L 2 , L 1 and L 2 satisfying ¼≤L 1 /L 2 ≤½.

8. The display device according to claim 6 , further comprising a third heat dissipation structure located at one side of the second heat dissipation structure away from the first heat dissipation structure along the second direction, a minimum distance between the first heat dissipation structure and the second heat dissipation structure in the second direction being equal to a minimum distance between the third heat dissipation structure and the second heat dissipation structure in the second direction.

9. The display device according to claim 1 , wherein:

there are a plurality of heat dissipation structures, the plurality of the heat dissipation structures including a first heat dissipation structure and a second heat dissipation structure arranged side by side in a second direction intersecting the first direction; and

the first heat dissipation structure and the second heat dissipation structure are integrally connected.

10. The display device according to claim 9 , wherein orthographic projections of the plurality of the heat dissipation structures on the display panel cover an orthographic projection of the structure to be dissipated on the display panel.

11. The display device according to claim 1 , wherein the heat dissipation structure further includes a heat conduction material sandwiched between the first heat dissipation member and the second heat dissipation member and abutting against the first heat dissipation member.

12. The display device according to claim 1 , wherein extension directions of the first heat dissipation member and the second heat dissipation member intersect, and an angle formed therebetween is an acute angle.

13. The display device according to claim 1 , wherein:

the display panel includes a display member, a bending member, and a binding member that are connected in sequence, the binding member being bent to one side of the backlight surface of the display panel through the bending member; and

the structure to be dissipated includes a driver chip, the driver chip being arranged at one side of the binding member away from the display member and being electrically connected to the binding member.

14. The display device according to claim 13 , wherein:

the driver chip includes a first surface at one side away from the binding member, and a side surface surrounding and intersecting the first surface; and

there are a plurality of heat dissipation structures, at least some dissipation structures being arranged at one side of the first surface away from the binding member, and at least some heat dissipation structures being arranged at one side of the side surface away from the driver chip.

15. The display device according to claim 13 , further comprising a first bonding member arranged at one side of the heat dissipation structure close to the driver chip, the heat dissipation structure being fixed to the driver chip through the first bonding member.

16. The display device according to claim 15 , wherein the first bonding member includes a plurality of bonding sub-members connected to the heat dissipation structure, the plurality of the bonding sub-members being spaced apart in the second direction intersecting the first direction.

17. The display device according to claim 15 , wherein the first bonding member is an integrated structure and is connected to the heat dissipation structure.

18. The display device according to claim 13 , wherein there are a plurality of heat dissipation structures, the plurality of the heat dissipation structures being an integrated structure and being sandwiched together with the binding member to form an accommodation space for accommodating the driver chip.

19. The display device according to claim 13 , further comprising:

a support layer arranged at one side of the driver chip away from the display member; and

a second bonding member configured to fix the support layer and the heat dissipation structure, the second bonding member including a heat conduction adhesive.

20. The display device according to claim 1 , wherein a material of the first heat dissipation member includes at least one of copper and graphite.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (16)