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:
Mar. 14, 2023
Filed:
Aug. 17, 2018
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Takashi Tokuda, Otsu, JP;
Daisaku Tanaka, Otsu, JP;
Assignee:
TORAY INDUSTRIES, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/00 (2006.01); C07C 211/54 (2006.01); C09K 11/06 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0059 (2013.01); C07C 211/54 (2013.01); C09K 11/06 (2013.01); H01L 51/0077 (2013.01); C09K 2211/1018 (2013.01); H01L 51/5016 (2013.01); H01L 51/5064 (2013.01); H01L 51/5096 (2013.01);
Abstract
The present invention provides an organic thin film light-emitting element having improved light-emitting efficiency and durable service life. The compound of the present invention has the structure represented by general formula (1) below. In general formula (1), Aris an aromatic group having a specific structure, and Aris a separate aromatic group having a specific structure. n is an integer of 1 or 2, and p is an integer of 1 or 2. However, n+p=3. When n is 2, each Armay be the same or different, and when p is 2, each Armay be the same or different. However, Arand Arare not the same group.