IP Library Granted Patent US 7,719,181
Granted Patent B2
US 7,719,181 · App. 11/956,013 · Granted May 18, 2010

Organic EL device, method for producing organic EL device, and electronic apparatus

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Quick Facts
Patent No.
US 7,719,181
App. No.
11/956,013
Granted
May 18, 2010
Kind
B2
Abstract

An organic EL device includes a substrate; first electrodes corresponding to individual pixels on the substrate; partitions partitioning the first electrodes to define substantially rectangular pixel regions; organic functional layers, corresponding to the individual pixels, disposed at least in the pixel regions; a second electrode disposed on the organic functional layers and the partitions; and auxiliary lines disposed on a top or bottom surface of the second electrode to support the conductivity of the second electrode. The auxiliary lines extend through the pixel regions so as to cross longer sides thereof and divide the pixel regions into a plurality of subregions.

Claims (17)

1. An organic electroluminescent (EL) device comprising

a substrate;

first electrodes corresponding to individual pixels on the substrate;

partitions partitioning the first electrodes to define substantially rectangular pixel regions;

organic functional layers, corresponding to the individual pixels, disposed at least in the pixel regions;

a second electrode disposed on the organic functional layers and the partitions; and

auxiliary lines disposed on a top or bottom surface of the second electrode to support the conductivity of the second electrode, the auxiliary lines extending through the pixel regions so as to cross longer sides thereof and dividing the pixel regions into a plurality of subregions.

2. An electronic apparatus comprising the organic EL device according to claim 1 .

3. A method for producing an organic EL device including organic functional layers corresponding to individual pixels on a substrate, the method comprising :

forming first electrodes corresponding to the individual pixels;

forming partitions partitioning the first electrodes to define substantially rectangular pixel regions;

forming the organic functional layers at least in the pixel regions;

forming a second electrode on the organic functional layers and the partitions; and

forming auxiliary lines on a top or bottom surface of the second electrode such that the auxiliary lines extend through the pixel regions so as to cross longer sides thereof and divide the pixel regions into a plurality of subregions.

4. The method for producing the organic EL device according to claim 3 , wherein the auxiliary lines are formed by mask deposition.

5. The method for producing the organic EL device according to claim 3 , wherein the organic functional layers are formed by vapor deposition.

6. The method for producing the organic EL device according to claim 3 , wherein the second electrode is formed by vapor deposition.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 17, 2022
From: EL TECHNOLOGY FUSION GODO KAISHA
To: ELEMENT CAPITAL COMMERCIAL COMPANY PTE. LTD.
Reel/Frame 059435/0428 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 31, 2018
From: SEIKO EPSON CORPORATION
To: EL TECHNOLOGY FUSION GODO KAISHA
Reel/Frame 047998/0879 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 13, 2007
From: KURAUCHI, NOBUYUKI
To: SEIKO EPSON CORPORATION
Reel/Frame 020253/0424 →