Electronic device

Patent metadata

Field	Value
Publication number	US-11894385-B2
Application number	US-202217876593-A
Country	US
Kind code	B2
Filing date	Jul 29, 2022
Priority date	Apr 2, 2019
Publication date	Feb 6, 2024
Grant date	Feb 6, 2024

Abstract

An electronic device includes a flexible substrate and a driving component. In the flexible substrate, a first side region, a second side region and a first cutting structure are disposed in a peripheral region, wherein a display region and the first side region are separated by a first edge of the display region, the display region and the second side region are separated by a second edge of the display region, the first edge and the second edge are respectively parallel to a first direction and a second direction perpendicular to the first direction, the first cutting structure has a first endpoint and two edges separated by the first endpoint and respectively belonging to the first side region and the second side region. The driving component overlaps the flexible substrate in a top view direction perpendicular to the first direction and the second direction.

First claim

What is claimed is:

1. An electronic device having a display region and a peripheral region situated outside of the display region, the electronic device comprising:
a flexible substrate comprising:
a first side region disposed in the peripheral region, wherein the display region and the first side region are separated by a first edge of the display region, the first edge is parallel to a first direction, and a length direction of the first side region is parallel to the first direction;
a second side region disposed in the peripheral region, wherein the display region and the second side region are separated by a second edge of the display region, and the second edge is parallel to a second direction, a length direction of the second side region is parallel to the second direction, and the second direction is perpendicular to the first direction;
a first bending part comprised in the first side region in the peripheral region, wherein the first bending part is configured to be bent;
a second bending part comprised in the second side region in the peripheral region, wherein the second bending part is configured to be bent;
a first cutting structure disposed in the peripheral region, wherein the first cutting structure has a first endpoint, the first cutting structure comprises two edges separated by the first endpoint, one of the two edges of the first cutting structure belongs to the first bending part, and another one of the two edges of the first cutting structure belongs to the second bending part; and
a second cutting structure disposed in the peripheral region, wherein the second cutting structure has a second endpoint, and the second cutting structure is corresponding to the first cutting structure in the first direction; and

a driving component disposed on the flexible substrate and disposed in the peripheral region;
wherein the driving component overlaps the flexible substrate in a top view direction when the flexible substrate is not bent, and the top view direction is perpendicular to the first direction and the second direction;
wherein a first extending line parallel to the first direction passes through the first endpoint of the first cutting structure and the second endpoint of the second cutting structure, and a greatest length of the first cutting structure along the first extending line is longer than a greatest length of the second cutting structure along the first extending line in a horizontal direction.

2. The electronic device of claim 1 , wherein the flexible substrate has a first exposing surface and a second exposing surface opposite to each other, the first exposing surface and the second exposing surface is opposite to each other in the top view direction when the flexible substrate is not bent, the first cutting structure is a penetrating structure, and the first cutting structure is directly connected between the first exposing surface and the second exposing surface.

3. The electronic device of claim 1 , wherein the flexible substrate further comprising:
a third side region disposed in the peripheral region, wherein the display region and the third side region are separated by a third edge of the display region, the third edge is parallel to the second direction, and a length direction of the third side region is parallel to the second direction; and
a third bending part comprised in the third side region in the peripheral region, wherein the third bending part is configured to be bent;
wherein the second cutting structure comprises two edges separated by the second endpoint, one of the two edges of the second cutting structure belongs to the first bending part, and another one of the two edges of the second cutting structure belongs to the third bending part.

4. The electronic device of claim 3 , wherein the flexible substrate further comprising:
a fourth side region disposed in the peripheral region, wherein the display region and the fourth side region are separated by a fourth edge of the display region, and the fourth edge is parallel to the first direction, a length direction of the fourth side region is parallel to the first direction;
a fourth bending part comprised in the fourth side region in the peripheral region,
wherein the fourth bending part is configured to be bent;

a third cutting structure disposed in the peripheral region, wherein the third cutting structure has a third endpoint, the third cutting structure comprises two edges separated by the third endpoint, one of the two edges of the third cutting structure belongs to the third bending part, and another one of the two edges of the third cutting structure belongs to the fourth bending part; and
a fourth cutting structure disposed in the peripheral region, wherein the fourth cutting structure has a fourth endpoint, the fourth cutting structure comprises two edges separated by the fourth endpoint, one of the two edges of the fourth cutting structure belongs to the fourth bending part, and another one of the two edges of the fourth cutting structure belongs to the second bending part.

5. The electronic device of claim 4 , wherein the first cutting structure corresponds to the fourth cutting structure in the second direction.

6. The electronic device of claim 1 , wherein the two edges of the first cutting structure are a portion of outer side edges of the flexible substrate.

7. The electronic device of claim 1 , wherein the first bending part is bent according to the first extending line passing through the first endpoint and parallel to the first direction, and the second bending part is bent according a second extending line passing through the first endpoint and parallel to the second direction.

8. The electronic device of claim 7 , wherein the first extending line is aligned with the first edge of the display region.

9. The electronic device of claim 7 , wherein a distance exists between the second edge of the display region and the second extending line.

10. The electronic device of claim 1 , wherein the first bending part comprises a corner portion, and the first cutting structure is situated between the corner portion and the second bending part when the flexible substrate is not bent.

11. The electronic device of claim 10 , wherein when the first bending part and the second bending part are bent, the corner portion is bent, and the corner portion overlaps the second bending part and other portion of the first bending part in the top view direction.

12. The electronic device of claim 10 , wherein the corner portion has a label or a mark.

13. The electronic device of claim 1 , wherein the driving component is disposed on the second bending part.

14. The electronic device of claim 1 , further comprising a peripheral trace disposed on the flexible substrate, wherein the driving component is electrically connected to the peripheral trace, a space exists between the first cutting structure and the display region in a top view, and the peripheral trace passes through the space in the top view, and the top view is a viewing result viewing along the top view direction.

15. The electronic device of claim 14 , further comprising another driving component disposed on the flexible substrate and disposed in the peripheral region, wherein the peripheral trace is electrically connected between the driving component and the another driving component.

16. The electronic device of claim 15 , wherein the driving component is disposed on the second bending part, and the another driving component is disposed on the first bending part.

17. The electronic device of claim 1 , wherein

Assignees

• Hannstar Display Nanjing Corp
• Hannstar Display Corp

Inventors

• Chen Yen-Chung

Classifications

• H10W42/20

  protecting against electromagnetic or particle radiation, e.g. light, X-rays, gamma-rays or electrons · CPC title

• H10D86/441

  Interconnections, e.g. scanning lines · CPC title

• H10D86/411 Primary

  characterised by materials, geometry or structure of the substrates · CPC title

• H10D86/60 Primary

  wherein the TFTs are in active matrices · CPC title

• H01L27/1218 Primary

  Electricity · mapped topic