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:
Jun. 14, 2022
Filed:
Dec. 15, 2017
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Akihiro Ishikawa, Otsu, JP;
Kazuto Miyoshi, Otsu, JP;
Assignee:
TORAY INDUSTRIES, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); G03F 7/037 (2006.01);
U.S. Cl.
CPC ...
G03F 7/037 (2013.01); H01L 51/0072 (2013.01);
Abstract
An organic EL display device having excellent light-emitting reliability while it has pixel division layer () and/or planarization layer () having excellent optical properties is provided. An organic EL display device comprising first electrode (), the pixel division layer (), light emitting pixel (), second electrode (), the planarization layer (), and substrate () wherein the pixel division layer () and/or the planarization layer () contains a yellow pigment having the benzimidazolone structure represented by the structural formula (1):