IP Library Granted Patent US 11,508,800
Granted Patent B2
US 11,508,800 · App. 17/185,318 · Granted Nov 22, 2022

Organic electroluminescent device including arrangement of capacitive electrode between layer of other capacitive electrode and layer of gate electrode

Inventors: Hitoshi Ota (Shiojiri, JP); Ryoichi Nozawa (Shiojiri, JP)
Assignee: SEIKO EPSON CORPORATION
H01L27/3276G09G3/3225H01L27/3248H01L27/3262H01L27/3265H01L27/124H01L27/1255
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 11,508,800
App. No.
17/185,318
Granted
Nov 22, 2022
Kind
B2
Abstract

An organic electroluminescent device includes a first transistor, a power supply line layer connected to one current terminal of the first transistor, a capacitive element including a first capacitive electrode connected to a gate of the first transistor, and a second capacitive electrode, a signal line, and a pixel electrode connected to the other current terminal of the first transistor, the first capacitive electrode is provided on a layer over the gate of the first transistor, and the power supply line layer is provided on a layer between the first capacitive electrode and the signal line.

Claims (23)

1. An organic electroluminescent device, comprising:

a transistor including a gate electrode;

a light-emitting element including a pixel electrode;

a signal line disposed in a layer between the gate electrode and the pixel electrode;

a capacitive element including:

a first capacitive electrode that is electrically connected to the gate electrode and that is disposed in a layer between the signal line and the pixel electrode;

a second capacitive electrode that is supplied with a power supply potential and that is disposed in a layer between the first capacitive electrode and the signal line; and

a conductive layer that is electrically connected to the second capacitive electrode and that is disposed in a layer between the pixel electrode and the first capacitive electrode.

2. The organic electroluminescent device according to claim 1 , wherein the second capacitive electrode overlaps with the transistor in plan view.

3. The organic electroluminescent device according to claim 1 , wherein the conductive layer overlaps with the transistor in plan view.

4. The organic electroluminescent device according to claim 2 , wherein the conductive layer overlaps with the transistor in plan view.

5. The organic electroluminescent device according to claim 1 , wherein the conductive layer includes aluminum.

6. The organic electroluminescent device according to claim 2 , wherein the conductive layer includes aluminum.

7. The organic electroluminescent device according to claim 3 , wherein the conductive layer includes aluminum.

8. The organic electroluminescent device according to claim 4 , wherein the conductive layer includes aluminum.

9. An electronic apparatus comprising the electroluminescent device according to claim 1 .

10. An electronic apparatus comprising the electroluminescent device according to claim 2 .

11. An electronic apparatus comprising the electroluminescent device according to claim 3 .

12. An electronic apparatus comprising the electroluminescent device according to claim 4 .

13. An electronic apparatus comprising the electroluminescent device according to claim 5 .

14. An electronic apparatus comprising the electroluminescent device according to claim 6 .

15. An electronic apparatus comprising the electroluminescent device according to claim 7 .

16. An electronic apparatus comprising the electroluminescent device according to claim 8 .

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 12, 2023
From: SEIKO EPSON CORPORATION
To: LUMITEK DISPLAY TECHNOLOGY LIMITED
Reel/Frame 065221/0372 →
Priority Claims (1)
JP 2014-179300 · Sep 3, 2014 · national
Continuity (7)
Continuation 16905381 · Jun 18, 2020
Continuation 16546908 · Aug 21, 2019
Division 16220449 · Dec 14, 2018
Continuation 15805863 · Nov 7, 2017
Continuation 15455943 · Mar 10, 2017
Continuation 14831522 · Aug 20, 2015
Related Publication 20210183989A1 · Jun 17, 2021