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:
Jul. 22, 2025

Filed:

Jan. 21, 2022
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventor:

Koichi Kobayashi, Fujimi, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10H 29/14 (2025.01); G03B 21/20 (2006.01); H10H 20/01 (2025.01); H10H 20/831 (2025.01);
U.S. Cl.
CPC ...
H10H 29/142 (2025.01); G03B 21/2033 (2013.01); H10H 20/01 (2025.01); H10H 20/8312 (2025.01); H10H 20/032 (2025.01);
Abstract

A light emitting apparatus according to an aspect of the present disclosure includes a substrate, a first light emitting section, a second light emitting section, a first electrode, a second electrode, a first protective layer, and a second protective layer. The area of the first electrode is greater than the area of the second electrode, the first protective layer has a first through hole, and the second protective layer has a second through hole. The first through hole has a first hole and a second hole, and the second through hole has a third hole and a fourth hole. A first opening area is greater than a second opening area, and a third opening area is greater than a fourth opening area of an opening of the fourth hole that is the opening closest to the substrate, the outer edge of the second opening overlaps with the first electrode, and the outer edge of the fourth opening overlaps with the second electrode. The second opening area is greater than the fourth opening area.


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