IP Library › Granted Patent US 11,183,550
Granted Patent B2
US 11,183,550 · App. 16/512,505 · Granted Nov 23, 2021

Light-emitting device and electronic apparatus

Inventors: Takumi Kodama (Chino, JP); Takeshi Koshihara (Matsumoto, JP)
Assignee: SEIKO EPSON CORPORATION
H01L27/3272H01L27/322H01L27/3206H01L27/3223H01L51/5265
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Quick Facts
Patent No.
US 11,183,550
App. No.
16/512,505
Granted
Nov 23, 2021
Kind
B2
Abstract

The light-emitting device includes a display unit in which rectangular light-emitting pixels are arranged, and a light-shielding portion that defines a light-emitting region in the display unit and shields light in a region other than the light-emitting region of the display unit, and at least a part of a boundary between the light-emitting region and the light-shielding portion has a curved shape.

Claims (20)

1. A light-emitting device comprising:

a rectangular display unit including:

a curved light-emitting region in which a light-emitting pixel that has a first electrode, a second electrode functioning as a common electrode, and a light-emitting function layer arranged between the first electrode and the second electrode is disposed;

a light-shielding region disposed around the curved light-emitting region and that shields light in a region other than the curved light-emitting region; and

a second electrode contact portion disposed around the curved light-emitting region, the second electrode contact portion being equidistantly arranged from an outer peripheral side of the curved light-emitting region.

2. The light-emitting device according to claim 1 , further comprising:

a sealing film covering the light-emitting pixel, wherein

the light-shielding region is disposed on the sealing film.

3. The light-emitting device according to claim 2 , wherein

the light-emitting pixel in the curved light-emitting region includes a colored layer in color selected from at least red, green, and blue,

the light-emitting pixel is arranged on the sealing film, and

the light-shielding region is formed by laminating colored layers of a plurality of colors at the sealing film.

4. The light-emitting device according to claim 1 , wherein

the second electrode contact portion includes an electrode disposed at a layer where the first electrode of the light-emitting pixel is disposed, and

the electrode and the second electrode are in contact with each other with the second electrode contact portion.

5. The light-emitting device according to claim 1 , wherein

the rectangular display unit includes a dummy pixel arranged between the second electrode contact portion and an outer edge of the curved light-emitting region, and

the dummy pixel includes a light-emitting pixel that corresponds to the light-emitting pixel in the curve light-emitting region, and has an insulating film disposed between the first electrode and the light-emitting function layer.

6. The light-emitting device according to claim 5 , wherein an outer edge of the light-emitting function layer is located between the second electrode contact portion and the outer edge of the curved light-emitting region.

7. An electronic apparatus comprising the light-emitting device according to claim 1 .

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 16, 2019
From: KODAMA, TAKUMI; KOSHIHARA, TAKESHI
To: SEIKO EPSON CORPORATION
Reel/Frame 049760/0669 →
Priority Claims (1)
JP JP2018-133890 · Jul 17, 2018 · national
Continuity (1)
Related Publication 20200027942A1 · Jan 23, 2020