IP Library Granted Patent US 9,343,698
Granted Patent B2
US 9,343,698 · App. 14/218,466 · Granted May 17, 2016

Organic EL display and electronic apparatus

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Quick Facts
Patent No.
US 9,343,698
App. No.
14/218,466
Granted
May 17, 2016
Kind
B2
Abstract

An organic EL display includes: a first insulating layer on a lower side as well as a second insulating layer on an upper side, the first insulating layer and the second insulating layer being provided to a display region and a peripheral region; a first separation groove provided in the first insulating layer between the display region and the peripheral region; a first conductive layer provided on the first insulating layer in the peripheral region, with a side face and a bottom of the first separation groove in between; a covering section in which at least a part of an end face of the second insulating layer is covered by the organic layer or the second electrode; and a sealing section provided on an outer edge side of the covering section, and formed by laminating the first conductive layer and the second electrode.

Claims (29)

1. An organic EL display comprising:

a display region including a plurality of pixels being arranged and each including a light-emission device, the light-emission device including a first electrode, an organic layer, and a second electrode laminated in order from a substrate side, and the organic layer including a light emitting layer;

a peripheral region provided on an outer edge side of the display region, and including a peripheral circuit, the organic layer extending from the display region into the peripheral region;

a first insulating layer as well as a second insulating layer, the first insulating layer being closer to the substrate side than the second insulating film, the first insulating layer and the second insulating layer being provided to extend from the display region to the peripheral region;

a first separation groove provided in the first insulating layer between the display region and the peripheral region;

a first conductive layer provided on the first insulating layer in the peripheral region, and formed in a region between the display region and the peripheral region, and formed between a side face and a bottom of the first separation groove;

a covering section in which at least a part of an end face of the second insulating layer is covered by the organic layer or the second electrode in the peripheral region; and

a sealing section provided on an outer edge side of the covering section, and formed by laminating the first conductive layer and the second electrode.

2. The organic EL display according to claim 1 , wherein a connection section is formed between the substrate and the first insulating layer, and in the connection section, a second conductive layer and a third insulating layer are provided in order from the substrate side, the first insulating layer being formed on the third insulating layer, the first separation groove extends through and separates the first insulating layer and the third insulating layer, and the first conductive layer and the second conductive layer are laminated at the bottom of the first separation groove.

3. The organic EL display according to claim 2 , wherein the second electrode and the second conductive layer are electrically connected through the first conductive layer.

4. The organic EL display according to claim 1 , wherein the first electrode and the first conductive layer are formed by a same process.

5. The organic EL display according to claim 1 , further comprising a second separation groove provided in the peripheral region, the second separation groove separating the first insulating layer into a part on an inner region side and a part on an outer region side.

6. The organic EL display according to claim 5 , wherein a wall surface and a bottom surface of the second separation groove are covered by the first conductive layer, and the second separation groove is embedded by the second electrode.

7. The organic EL display according to claim 1 , further comprising a high-resistive layer between the organic layer and the second electrode.

8. The organic EL display according to claim 2 , wherein the first insulating layer and the second insulating layer are each an organic insulating layer, and the third insulating layer is an inorganic insulating layer.

9. The organic EL display according to claim 1 , wherein a seal material is disposed at an end of the substrate.

10. The organic EL display according to claim 2 , wherein the peripheral circuit is formed below the third insulating layer, on the substrate.

11. The organic EL display according to claim 1 , wherein the light-emission device includes a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, and an electron injection layer which are provided on the substrate in order from the first electrode side.

12. The organic EL display according to claim 1 , wherein the light-emission device includes a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, an electron injection layer, a charge generation layer, a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, and an electron injection layer which are provided on the substrate in order from the first electrode side.

13. The organic EL display according to claim 1 , wherein the plurality of pixels include a red pixel, a green pixel, and a blue pixel, or include a red pixel, a green pixel, a blue pixel, and a white pixel.

14. An electronic apparatus including an organic EL display,

the organic EL display comprising:

a display region including a plurality of pixels being arranged and each including a light-emission device, the light-emission device including a first electrode, an organic layer, and a second electrode laminated in order from a substrate side, and the organic layer including a light emitting layer;

a peripheral region provided on an outer edge side of the display region, and including a peripheral circuit, the organic layer extending from the display region into the peripheral region;

a first insulating layer as well as a second insulating layer, the first insulating layer being closer to the substrate side than the second insulating film, the first insulating layer and the second insulating layer being provided to extend from the display region to the peripheral region;

a first separation groove provided in the first insulating layer between the display region and the peripheral region;

a first conductive layer provided on the first insulating layer in the peripheral region, and formed in a region between the display region and the peripheral region, and formed between a side face and a bottom of the first separation groove;

a covering section in which at least a part of an end face of the second insulating layer is covered by the organic layer or the second electrode in the peripheral region; and

a sealing section provided on an outer edge side of the covering section, and formed by laminating the first conductive layer and the second electrode.

Assignments (7)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 18, 2025
From: JDI DESIGN AND DEVELOPMENT G.K.
To: MAGNOLIA BLUE CORPORATION
Reel/Frame 072039/0656 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 31, 2024
From: JOLED, INC.
To: JDI DESIGN AND DEVELOPMENT G.K.
Reel/Frame 066382/0619 →
CORRECTION BY AFFIDAVIT FILED AGAINST REEL/FRAME 063396/0671 Recorded Jun 12, 2023
From: JOLED, INC.
To: JOLED, INC.
Reel/Frame 064067/0723 →
SECURITY INTEREST Recorded Apr 20, 2023
From: JOLED, INC.
To: INCJ, LTD.
Reel/Frame 063396/0671 →
CORRECTIVE ASSIGNMENT TO CORRECT THE RECEIVING PARTY DATA PREVIOUSLY RECORDED AT REEL: 035616 FRAME: 0124. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded May 26, 2015
From: SONY CORPORATION
To: JOLED INC.
Reel/Frame 035771/0551 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 12, 2015
From: SONY CORPORATION
To: JOLED INC
Reel/Frame 035616/0124 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 19, 2014
From: NEGISHI, EISUKE
To: SONY CORPORATION
Reel/Frame 032474/0938 →