The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 29, 2026

Filed:

Jun. 30, 2022
Applicant:

Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;

Inventors:

Shinya Sasagawa, Chigasaki, JP;

Ryota Hodo, Atsugi, JP;

Kentaro Sugaya, Isehara, JP;

Yoshikazu Hiura, Atsugi, JP;

Takahiro Fujie, Isehara, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H10K 59/122 (2023.01); H10K 59/12 (2023.01); H10K 59/35 (2023.01);
U.S. Cl.
CPC ...
H10K 59/122 (2023.02); H10K 59/1201 (2023.02); H10K 59/35 (2023.02);
Abstract

A display apparatus with high display quality is provided. The display apparatus includes a first light-emitting device including a first pixel electrode, a first layer, and a common electrode; a second light-emitting device including a second pixel electrode, a second layer, and the common electrode; a first coloring layer; a second coloring layer transmitting light with a color different from a color of light transmitted by the first coloring layer; a first insulating layer; and a second coloring layer. The first layer and the second layer each contain a first light-emitting material emitting blue light and a second light-emitting material emitting light with a longer wavelength than blue light and are separated from each other. The first insulating layer covers a side surface and part of a top surface of the first layer and a side surface and part of a top surface of the second layer. The second insulating layer overlaps with the side surface and the part of the top surface of the first layer and the side surface and the part of the top surface of the second layer with the first insulating layer therebetween. The common electrode covers the second insulating layer. In a cross-sectional view, an end portion of the second insulating layer has a tapered shape with a taper angle less than 90 degrees.


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