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:
Mar. 15, 2012
Applicants:
Raymond Kwong, Fo Tan, HK;
Siu Tung Lam, Apleichau, HK;
Chi Hang Lee, Chaiwan, HK;
Sze Kui Lam, Kowloon, HK;
Inventors:
Raymond Kwong, Fo Tan, HK;
Siu Tung Lam, Apleichau, HK;
Chi Hang Lee, Chaiwan, HK;
Sze Kui Lam, Kowloon, HK;
Assignee:
Universal Display Corporation, Ewing, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/00 (2006.01); C07D 409/14 (2006.01); C07D 405/04 (2006.01); C07D 409/04 (2006.01); C07D 209/86 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C07D 409/14 (2013.01); C07D 405/04 (2013.01); C07D 409/04 (2013.01); C07D 209/86 (2013.01); H01L 51/5064 (2013.01); H01L 51/0054 (2013.01); H01L 51/006 (2013.01); H01L 51/0061 (2013.01); H01L 51/0074 (2013.01);
Abstract
Novel diarylamino phenyl carbazole compounds are provided. By appropriately selecting the nature of the diarylamino substituent and the substitution on the carbazole nitrogen, compounds with appropriate HOMO and LUMO energies can be obtained for use as materials in a secondary hole transport layer.