IP Library › Granted Patent US 10,884,307
Granted Patent B2
US 10,884,307 · App. 16/448,329 · Granted Jan 5, 2021

Electro-optical device and electronic apparatus

Inventor: Satoshi Ito (Eniwa, JP)
Assignee: SEIKO EPSON CORPORATION
G02F1/1368G02F1/133345G02F1/136286G03B21/006G02F2201/123
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Quick Facts
Patent No.
US 10,884,307
App. No.
16/448,329
Granted
Jan 5, 2021
Kind
B2
Abstract

An electro-optical device includes a base member, a pixel electrode, a first insulating layer arranged above the base member, a first capacitor arranged above the first layer and including a first electrode and a second electrode arranged above the second electrode, a second insulating layer arranged above the first capacitor, a second capacitor arranged above the second layer and including a third electrode and a fourth electrode arranged above the third electrode, a third layer insulating arranged above the second capacitor, and a transistor arranged between the base member and the first layer and including a source electrode, a drain electrode, and a gate electrode. The second electrode is coupled to the drain electrode via the third electrode, and the third electrode is coupled to the pixel electrode via the second electrode.

Claims (19)

1. An electro-optical device comprising:

a base member;

a pixel electrode;

a first layer having insulating properties and arranged between the base member and the pixel electrode;

a second layer having insulating properties and arranged between the pixel electrode and the first layer;

a third layer having insulating properties and arranged between the pixel electrode and the second layer;

a first capacitor arranged between the first layer and the second layer and including a first electrode and a second electrode arranged between the second layer and the first electrode;

a second capacitor arranged between the second layer and the third layer and including a third electrode and a fourth electrode arranged between the third layer and the third electrode;

a transistor arranged between the base member and the first layer and including a source electrode, a drain electrode, and a gate electrode;

a fourth layer having insulating properties and arranged between the base member and the first layer;

a scanning line arranged between the base member and the fourth layer and electrically coupled to the gate electrode;

a fifth layer having insulating properties and arranged between the pixel electrode and the third layer;

a signal line arranged between the third layer and the fifth layer and electrically coupled to the source electrode; and

a reference potential wiring coupled to a reference potential, the reference potential wiring being arranged between the base member and the first layer and between the first layer and the fourth layer,

wherein the first electrode is coupled to the fourth electrode via the reference potential wiring,

the second electrode is coupled to the drain electrode via the third electrode without being directly coupled to the drain electrode, and

the third electrode is coupled to the pixel electrode via the second electrode without being directly coupled to the pixel electrode.

2. The electro-optical device according to claim 1 , wherein the first capacitor and the second capacitor include portions that overlap in a plan view from a thickness direction of the base member.

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

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 21, 2019
From: ITO, SATOSHI
To: SEIKO EPSON CORPORATION
Reel/Frame 049548/0980 →
Priority Claims (1)
JP 2018-118641 · Jun 22, 2018 · national
Continuity (1)
Related Publication 20190391426A1 · Dec 26, 2019