IP Library Granted Patent US 10,411,076
Granted Patent B2
US 10,411,076 · App. 15/822,814 · Granted Sep 10, 2019

EL display device

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Quick Facts
Patent No.
US 10,411,076
App. No.
15/822,814
Granted
Sep 10, 2019
Kind
B2
Abstract

An organic EL display device includes a plurality of pixels including first pixels and second pixels. Each of the plurality of pixels includes a red sub-pixel including a red light emitting area emitting red light, a green sub-pixel including a green light emitting area emitting green light, and a blue sub-pixel including a blue light emitting area emitting blue light. The blue sub-pixel included in the first pixel is provided with a spacer at a portion of an area corresponding to the blue light emitting area included in the second pixel.

Claims (24)

1. An EL display device, comprising:

first pixels arranged in a first matrix form, each of the first pixels including,

a first red sub-pixel including a first red light element emitting red light,

a first green sub-pixel including a first green light element emitting green light, and

a first blue sub-pixel including a first blue light element emitting blue light;

second pixels arranged in a second matrix form, each of the second pixels including

a second red sub-pixel including a second red light emitting element emitting red light,

a second green sub-pixel including a second green light emitting element emitting green light,

a second blue sub-pixel including a second blue light emitting element emitting blue light, and

a spacer;

wherein a first area of the first blue light emitting element is larger than a second area of the second blue light emitting element; and

wherein the first area is larger than a total area of the second area and a third area of the spacer.

2. The EL display device according to claim 1 , wherein a first total number of the first pixels is larger than a second total number of the second pixels.

3. The EL display device according to claim 2 , wherein the second matrix form is a zigzag arrangement.

4. The EL display device according to claim 1 , wherein

the first area is larger than a fourth area of the first red light emitting element,

the first area is larger than a fifth area of the first green light emitting element,

the first area is larger than a sixth area of the second red light emitting element, and

the first area is larger than a seventh area of the second green light emitting element.

5. The EL display device according to claim 4 , wherein

the second area is larger than the fourth area,

the second area is larger than the fifth area,

the second area is larger than the sixth area, and

the second area is larger than the seventh area.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 22, 2025
From: JAPAN DISPLAY INC.
To: MAGNOLIA WHITE CORPORATION
Reel/Frame 072130/0313 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 27, 2017
From: KAJIYAMA, KENTA
To: JAPAN DISPLAY INC.
Reel/Frame 044225/0451 →
Cited By (1)
US 12,279,506