IP Library Granted Patent US 11,573,448
Granted Patent B2
US 11,573,448 · App. 17/747,376 · Granted Feb 7, 2023

Electro-optical device and electronic apparatus

Inventor: Shinsuke Fujikawa (Chino, JP)
Assignee: SEIKO EPSON CORPORATION
G02F1/133512G02F1/1339G02F1/1345G02F1/13439G02F1/13454G02F1/136209
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Quick Facts
Patent No.
US 11,573,448
App. No.
17/747,376
Granted
Feb 7, 2023
Kind
B2
Abstract

In a liquid crystal device serving as an electro-optical device, a liquid crystal layer as an electro-optical element is disposed between a base material 10 s as a first substrate and a base material 20 s as a second substrate which are disposed to face each other via a photo-curable type seal material, the substrate 10 s and the substrate 20 s are transmissive and include a plurality of light-shielding patterns disposed at intervals in a seal region of the substrate 10 s where the seal material is disposed, and on the substrate 10 s , a semiconductor layer of a transistor included in a driving circuit for driving the electro-optical element is disposed to overlap, in plan view, with at least one of the plurality of light-shielding patterns.

Claims (21)

1. An electro-optical device comprising:

a first substrate;

a second substrate;

a seal material that is disposed between the first substrate and the second substrate in a thickness direction of the first substrate;

a first transistor that is disposed between the first substrate and the seal material in the thickness direction of the first substrate;

a second transistor that is disposed between the first substrate and the seal material in the thickness direction of the first substrate and is arranged next to the first transistor along a first direction in plan view;

a third transistor that is disposed between the first substrate and the seal material in the thickness direction of the first substrate and is arranged next to the first transistor along a second direction that intersects the first direction in plan view;

a fourth transistor that is disposed between the first substrate and the seal material in the thickness direction of the first substrate and is arranged next to the third transistor along the first direction in plan view;

a first wiring layer that is disposed between the first transistor and the seal material in the thickness direction of the first substrate and is disposed between the second transistor and the seal material in the thickness direction of the first substrate, the first wiring layer being extended along the first direction and having a first width in the second direction; and

a second wiring layer configured to electrically connect a source drain region of the first transistor and a source drain region of the second transistor, the second wiring layer having a second width that is narrower than or equal to the first width of the first wiring layer, and is overlapped with the first wiring layer in plan view.

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

a third wiring layer that is disposed between the third transistor and the seal material in the thickness direction of the first substrate and is disposed between the fourth transistor and the seal material in the thickness direction of the first substrate, the third wiring layer extending along the first wiring layer with an interval that is larger than or equal to the first width.

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

a channel length of the first transistor, a channel length of the second transistor, a channel length of the third transistor and a channel length of the fourth transistor extend along the first direction.

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

the first wiring layer is arranged next to the third wiring layer in the second direction.

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

the first substrate and the second substrate are transmissive.

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

the third wiring layer has a third width in the second direction that is equal to the first width.

7. An electronic apparatus comprising the electro-optical device according to claim 1 .

Priority Claims (1)
JP JP2018-098506 · May 23, 2018 · national
Continuity (3)
Continuation 17243920 · Apr 29, 2021
Continuation 16419448 · May 22, 2019
Related Publication 20220276529A1 · Sep 1, 2022