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. 06, 2015
Filed:
Nov. 30, 2012
Kyushu University National University Corporation, Fukuoka-shi, Fukuoka, JP;
Chihaya Adachi, Fukuoka, JP;
Takuma Yasuda, Fukuoka, JP;
Saeyoun Lee, Fukuoka, JP;
Hiroko Nomura, Fukuoka, JP;
Tetsuya Nakagawa, Fukuoka, JP;
KYUSHU UNIVERSITY NATIONAL UNIVERSITY CORPORATION, Fukuoka, JP;
Abstract
An organic light-emitting device containing a compound represented by the following general formula in a light light-emitting layer has a high light-emission efficiency. The ring containing Y, Yand Yrepresent a triazine ring or a pyrimidine ring; Z, Zand Rto Rrepresent a hydrogen atom or a substituent; and at least one of Rto Rrepresents a diarylamino group or a carbazolyl group. The compound represented by the general formula (1) contains at least two carbazole structures in the molecule thereof.