IP Library Granted Patent US 11,961,491
Granted Patent B2
US 11,961,491 · App. 18/204,482 · Granted Apr 16, 2024

Electro-optical device

Inventors: Katsuya Anzai (Anpachi-cho, JP); Hideki Kawada (Anpachi-cho, JP); Hiroshi Matsuda (Gifu, JP); Yukitada Iwasaki (Mizuho, JP)
Assignee: Japan Display Inc.
G09G3/3677G09G3/2096G09G3/3225G09G3/3266G09G3/3275G09G3/3648G09G3/3688G09G2300/0408G09G2300/0426G09G2300/0465G09G2310/0232H10K59/131
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Quick Facts
Patent No.
US 11,961,491
App. No.
18/204,482
Granted
Apr 16, 2024
Kind
B2
Abstract

An electro-optical device is provided and includes a plurality of first signal lines extending in a first direction on a substrate; a plurality of second signal lines extending in a second direction on the substrate, the second direction intersecting the first direction; a pixel area in which a plurality of pixel electrodes are disposed; an outer peripheral edge of the pixel area having a curved portion or a bent portion; and a first circuit block, a second circuit block, and a third circuit block arranged along the outer peripheral edge, wherein the second circuit block is arranged between the first circuit block and the first circuit block, and a first gap between the first circuit bock and the second circuit block is different from a second gap between the second circuit block and the third circuit block.

Claims (82)

1. An electro-optical device comprising:

a substrate;

gate lines extending in a first direction on the substrate;

a pixel area in which pixel electrodes are disposed;

an outer peripheral edge of the pixel area having a curved portion or a bent portion;

a first circuit block and a second circuit block which are arranged along the curved portion or the bent portion of the outer peripheral edge;

a first gate line included in the gate lines and connected to the first circuit block via a first relay line and a first output line, the first output line extending from the first circuit block, the first relay line connecting an end of the first gate line with an end of the first output line; and

a second gate line included in the gate lines and connected to the second circuit block via a second relay line and a second output line, the second output line extending from the second circuit block, the second relay line connecting an end of the second gate line with an end of the second output line,

wherein a second direction from the end of the first output line to the end of the first gate line is opposite to a third direction from the end of the second output line to the end of the second gate line,

wherein the second direction is orthogonal to the first direction,

wherein the third direction is orthogonal to the first direction.

2. The electro-optical device according to claim 1 , wherein

the first relay line extends in the second direction, and

the second relay line extends in the third direction.

3. The electro-optical device according to claim 1 , wherein

the first relay line extends from the end of the first output line toward the second circuit block, and

the second relay line extends from the end of the second output line toward the first circuit block.

4. The electro-optical device according to claim 1 , wherein

the first relay line extends from the end of the first output line toward an opposite side of the second circuit block, and

the second relay line extends from the end of the second output line toward an opposite side of the first circuit block.

5. The electro-optical device according to claim 1 , wherein

first output lines including the first output line extend from the first circuit block,

second output lines including the second output line extend from the second circuit block,

of the first output lines, the first output line is closest to the second circuit block, and

of the second output lines, the second output line is closest to the first circuit block.

6. The electro-optical device according to claim 1 , wherein

first output lines including the first output line extend from the first circuit block,

second output lines including the second output line extend from the second circuit block,

of the first output lines, the first output line is farthest from the second circuit block, and

of the second output lines, the second output line is farthest from the first circuit block.

7. The electro-optical device according to claim 1 , wherein a length of the first relay line is different from a length of the second relay line.

8. The electro-optical device according to claim 1 , further comprising

a third gate line included in the gate lines and connected to the first circuit block via a third relay line and a third output line; and

a fourth gate line included in the gate lines and connected to the second circuit block via a fourth relay line and a fourth output line, wherein

a fourth direction from an end of the third output line to an end of the third gate line is opposite to a fifth direction from an end of the fourth output line to an end of the fourth gate line.

9. The electro-optical device according to claim 8 , wherein the fourth direction is a same as the second direction.

10. The electro-optical device according to claim 8 , wherein the fifth direction is a same as the third direction.

11. The electro-optical device according to claim 8 , wherein

the first circuit bock includes a first unit circuit and a second unit circuit, and

the first output line and the third output line are connected to the first unit circuit and the second unit circuit respectively.

12. The electro-optical device according to claim 11 , wherein

the first unit circuit includes a first shift register, and

the second unit circuit includes a second shift register.

13. An electro-optical device comprising:

a substrate;

gate lines extending in a first direction on the substrate;

a pixel area in which pixel electrodes are disposed, the pixel area having a curved portion or a bent portion;

a first circuit block and a second circuit block that are arranged outside the pixel area and along the curved portion or the bent portion of the pixel area;

a first gate line included in the gate lines and connected to the first circuit block via a first relay line and a first output line, the first output line extending from the first circuit block, the first relay line connecting a point of the first gate line with a point of the first output line; and

a second gate line included in the gate lines and connected to the second circuit block via a second relay line and a second output line, the second output line extending from the second circuit block, the second relay line connecting a point of the second gate line with a point of the second t output line;

wherein a second direction from the point of the first output line to the point of the first gate line is opposite to a third direction from the point of the second output line to the point of the second gate line,

wherein the second direction is orthogonal to the first direction,

wherein the third direction is orthogonal to the first direction.

14. The electro-optical device according to claim 13 , wherein

the pixel electrodes has first pixel electrodes lined up in the first direction, second pixel electrodes lined up in the first direction, and the third pixel electrodes lined up in the first direction,

a first unit of the first pixel electrodes, a second unit of the second pixel electrodes, and a third unit of the third pixel electrodes are arranged in a direction intersecting the first direction in this order,

the number of the first pixel electrodes is greater than the number of the second pixel electrodes, and

the number of the second pixel electrodes is greater than the number of the third pixel electrodes.

15. The electro-optical device according to claim 13 , wherein

the pixel electrodes has first pixel electrodes lined up in the first direction, second pixel electrodes lined up in the first direction, and the third pixel electrodes lined up in the first direction,

a first unit of the first pixel electrodes, a second unit of the second pixel electrodes, and a third unit of the third pixel electrodes are arranged in a direction intersecting the first direction, in the order as listed,

a length of the first unit is longer than a length of the second unit, and

the length of the second unit is longer than a length of the third unit.

16. The electro-optical device according to claim 13 , wherein

the first relay line extends in the second direction, and

the second relay line extends in the third direction.

17. The electro-optical device according to claim 13 , wherein

the first relay line extends from the point of the first output line toward the second circuit block, and

the second relay line extends from the point of the second output line toward the first circuit block.

18. The electro-optical device according to claim 13 , wherein

the first relay line extends from the point of the first output line toward an opposite side of the second circuit block, and

the second relay line extends from the point of the second output line toward an opposite side of the first circuit block.

19. The electro-optical device according to claim 13 , wherein

first output lines including the first output line extend from the first circuit block,

second output lines including the second output line extend from the second circuit block,

of the first output lines, the first output line is closest to the second circuit block, and

of the second output lines, the second output line is closest to the first circuit block.

20. The electro-optical device according to claim 13 , wherein

first output lines including the first output line extend from the first circuit block,

second output lines including the second output line extend from the second circuit block,

of the first output lines, the first output line is farthest from the second circuit block, and

of the second output lines, the second output line is farthest from the first circuit block.

Assignments (5)
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 Jun 1, 2023
From: ANZAI, KATSUYA; KAWADA, HIDEKI; MATSUDA, HIROSHI; IWASAKI, YUKITADA
To: EPSON IMAGING DEVICES CORPORATION
Reel/Frame 063832/0525 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 1, 2023
From: EPSON IMAGING DEVICES CORPORATION
To: SONY CORPORATION
Reel/Frame 063832/0568 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 1, 2023
From: SONY CORPORATION
To: JAPAN DISPLAY WEST INC.
Reel/Frame 063832/0688 →
CHANGE OF NAME Recorded Jun 1, 2023
From: JAPAN DISPLAY WEST INC.
To: JAPAN DISPLAY INC.
Reel/Frame 064332/0870 →
Priority Claims (4)
JP 2007-274733 · Oct 23, 2007 · national
JP 2007-291596 · Nov 9, 2007 · national
JP 2008-164114 · Jun 24, 2008 · national
JP 2008-164115 · Jun 24, 2008 · national
Continuity (6)
Continuation 17876951 · Jul 29, 2022
Continuation 17371846 · Jul 9, 2021
Continuation 16906807 · Jun 19, 2020
Continuation 15453484 · Mar 8, 2017
Continuation 12211425 · Sep 16, 2008
Related Publication 20230306925A1 · Sep 28, 2023