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. 19, 2022

Filed:

Jan. 14, 2020
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Suguru Akagawa, Matsumoto, JP;

Ryoichi Nozawa, Kamiina-gun, JP;

Takefumi Fukagawa, Suwa-gun, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01); H01L 27/32 (2006.01); H01L 51/56 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5253 (2013.01); H01L 27/322 (2013.01); H01L 51/56 (2013.01); H01L 27/3258 (2013.01); H01L 27/3276 (2013.01); H01L 2227/323 (2013.01);
Abstract

An organic electroluminescence device includes a substrate, an organic electroluminescence element disposed on the substrate, a protecting portion configured to protect the organic electroluminescence element, and a resin portion mainly composed of a resin material. The protecting portion includes a first layer mainly composed of a silicon-based inorganic material containing nitrogen, a second layer mainly composed of silicon oxide or aluminum oxide, and a third layer mainly composed of a silicon-based inorganic material containing nitrogen, and the resin portion is disposed at a side surface of the second layer.


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