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. 09, 2015
Filed:
Apr. 16, 2012
Applicants:
Jin-sheng Lin, Tainan, TW;
Mei-rurng Tseng, Hsinchu, TW;
Miao-tsai Chu, Sinjhuang, TW;
Inventors:
Assignee:
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); C07D 209/86 (2006.01); C07D 401/14 (2006.01); C07D 405/14 (2006.01); C07D 409/14 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
C07D 209/86 (2013.01); C07D 401/14 (2013.01); C07D 405/14 (2013.01); C07D 409/14 (2013.01); H01L 51/0054 (2013.01); H01L 51/0059 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H01L 51/5016 (2013.01); Y02E 10/549 (2013.01);
Abstract
In an embodiment, a carbazole derivative is provided. The carbazole derivative has formula (I): In formula (I), Ar1 and Ar2 are, independently, substituted or unsubstituted phenyl, naphthalenyl or heteroaryl containing nitrogen, oxygen or sulfur, and R is hydrogen, methyl or t-butyl. In another embodiment, an organic light emitting diode including the carbazole derivative is provided.