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:
Oct. 19, 2021
Filed:
Jul. 22, 2020
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Yasunori Ichihashi, Otsu, JP;
Masaaki Umehara, Otsu, JP;
Hirotoshi Sakaino, Otsu, JP;
Daisaku Tanaka, Otsu, JP;
Assignee:
TORAY INDUSTRIES, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/13357 (2006.01); H01L 33/50 (2010.01); C09K 11/06 (2006.01); C09B 57/00 (2006.01); G02B 5/20 (2006.01); C07F 5/02 (2006.01); C09K 11/02 (2006.01);
U.S. Cl.
CPC ...
C09K 11/06 (2013.01); C07F 5/022 (2013.01); C07F 5/027 (2013.01); C09B 57/00 (2013.01); C09K 11/02 (2013.01); G02B 5/20 (2013.01); G02F 1/133617 (2013.01); C09K 2211/1022 (2013.01); H01L 33/502 (2013.01);
Abstract
An organic luminescent material suitable for color conversion material used for a liquid crystal display or LED lighting, excellent in luminous efficiency and durability, to which a pyrromethene-boron complex or a color conversion composition containing the pyrromethene-boron complex contributes, is provided.