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.
Patent No.:
Date of Patent:
Nov. 28, 2023
Filed:
Jan. 04, 2021
Seiko Epson Corporation, Tokyo, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
An organic electroluminescence device includes an organic electroluminescence element, and a protective layer that protects the organic electroluminescence element, wherein the protective layer includes a first insulating film, a second insulating film, a third insulating film, a fourth insulating film, and a fifth insulating film, a density of the second insulating film is higher than a density of each of the first insulating film, the third insulating film, and the fifth insulating film, a density of the fourth insulating film is higher than the density of each of the first insulating film, the third insulating film, and the fifth insulating film, and each of the first insulating film, the second insulating film, the third insulating film, the fourth insulating film, and the fifth insulating film includes an inorganic material including silicon and nitrogen.