IP Library Granted Patent US 10,379,417
Granted Patent B2
US 10,379,417 · App. 15/888,391 · Granted Aug 13, 2019

Display device

Inventors: Shinichiro Oka (Tokyo, JP); Yosuke Hyodo (Tokyo, JP); Lu Jin (Tokyo, JP)
Assignee: Japan Display Inc.
G02F1/136286G02F1/1339G02F1/134309G02F1/1345G02F1/133305G02F1/133512G02F2001/133388G02F2201/123
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Quick Facts
Patent No.
US 10,379,417
App. No.
15/888,391
Granted
Aug 13, 2019
Kind
B2
Abstract

A display device includes a first substrate having flexibility, a second substrate having flexibility, and a sealant adhering together the first substrate and the second substrate, wherein the sealant includes a curved section on an inner side in a planar view, the first substrate includes a first region not corresponding to the curved section and a second region corresponding to the curved section, and also a signal line from the first region to the second region, and a second angle formed by an extending direction of the signal line and a curved axis direction of the curved section in the second region is smaller than a first angle formed by an extending direction of the signal line and the curved axis direction in the first region.

Claims (32)

1. A display device comprising:

a first substrate having flexibility;

a second substrate having flexibility; and

a sealant adhering together the first substrate and the second substrate;

wherein

a display section displays an image in an area surrounded by the sealant and has a curved section in part,

the first substrate includes a first region not corresponding to the curved section and a second region corresponding to the curved section, and also a signal line from the first region to the second region,

a second angle formed by an extending direction of the signal line and a curved axis direction of the curved section in the second region is smaller than a first angle formed by an extending direction of the signal line and the curved axis direction in the first region,

a terminal section connecting a flexible printed circuit substrate is included in the first region, and

the display section and the terminal section overlap in a planar view.

2. The display device according to claim 1 , wherein the substrate includes a plurality of pixel electrodes, and a fourth angle formed by an extending direction of a pixel part of the pixel electrode and a curved axis direction of the curved section in the second region is smaller than a third angle formed by an extending direction of a pixel part of the pixel electrode and the curved axis direction in the first region.

3. The display device according to claim 2 , wherein the first substrate includes auxiliary wiring extending along and overlapping with the signal line, and an extending direction of the auxiliary wiring and a curved axis direction of the curved section form the first angle in the first region, and an extending direction of the auxiliary wiring and a curved axis direction of the curved section form the second angle in the second region.

4. The display device according to claim 2 , wherein a signal line is located at a starting position of the curved section, the signal line and curved section axis direction forming the first angle.

5. The display device according to claim 2 , further comprising:

a light shielding layer including a first part overlapping along the signal line, and a second part overlapping across the plurality of signal lines, the second part being located in the second region.

6. The display device according to claim 2 , wherein the signal line is a plurality of image signal lines.

7. The display device according to claim 1 , wherein the first substrate includes auxiliary wiring extending along and overlapping with the signal line, and an extending direction of the auxiliary wiring and a curved axis direction of the curved section form the first angle in the first region, and an extending direction of the auxiliary wiring and a curved axis direction of the curved section form the second angle in the second region.

8. The display device according to claim 7 , wherein a signal line is located at a starting position of the curved section, the signal line and curved section axis direction forming the first angle.

9. The display device according to claim 7 , further comprising:

a light shielding layer including a first part overlapping along the signal line, and a second part overlapping across the plurality of signal lines, the second part being located in the second region.

10. The display device according to claim 7 , wherein the signal line is a plurality of image signal lines.

11. The display device according to claim 1 , wherein a signal line is located at a starting position of the curved section, the signal line and curved section axis direction forming the first angle.

12. The display device according to claim 11 , further comprising:

a light shielding layer including a first part overlapping along the signal line, and a second part overlapping across the plurality of signal lines, the second part being located in the second region.

13. The display device according to claim 1 , further comprising:

a light shielding layer including a first part overlapping along the signal line, and a second part overlapping across the plurality of signal lines, the second part being located in the second region.

14. The display device according to claim 13 , wherein the second part overlaps a part of an electrode in the first region.

15. The display device according to claim 1 , wherein the signal line is a plurality of image signal lines.

16. The display device according to claim 15 , wherein the first substrate includes a plurality of scanning signal lines intersecting the plurality of image signal lines, a pixel electrode is included in a region surrounded by two adjacent image signal lines and two adjacent scanning signal lines in the first region, and a region not having a pixel electrode in a region surrounded by two adjacent image signal lines and two adjacent scanning signal lines is included in the second region.

17. The display device according to claim 15 , wherein the first substrate includes a plurality of scanning signal lines intersecting the plurality of image signal lines, and the plurality of image signal lines do not include a curved section at a center vicinity between adjacent scanning signal lines.

18. The display device according to claim 17 , wherein a curve width of the image signal line is narrower than a width between the image signal lines in the second region.

19. The display device according to claim 1 , wherein a pixel electrode is arranged in a region surrounded by two adjacent image signal lines and two adjacent scanning signal lines in the first region, and a pixel electrode in the first region includes a curved section and a pixel electrode in the second region does not include a curved section.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 22, 2025
From: JAPAN DISPLAY INC.
To: MAGNOLIA WHITE CORPORATION
Reel/Frame 072130/0313 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 5, 2018
From: OKA, SHINICHIRO; HYODO, YOSUKE; JIN, LU
To: JAPAN DISPLAY INC.
Reel/Frame 044831/0472 →
Priority Claims (1)
JP 2017-031993 · Feb 23, 2017 · national
Continuity (1)
Related Publication 20180239209A1 · Aug 23, 2018
Cited By (1)
US 12,426,468