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:
Sep. 27, 2016
Filed:
Dec. 23, 2013
Applicant:
Universal Display Corporation, Ewing, NJ (US);
Inventors:
Lichang Zeng, Lawrenceville, NJ (US);
Walter Yeager, Yardley, PA (US);
Suman Layek, Lawrenceville, NJ (US);
Chuanjun Xia, Lawrenceville, NJ (US);
Kwang-Ohk Cheon, Holland, PA (US);
Assignee:
Universal Display Corporation, Ewing, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); H01L 51/0085 (2013.01); H01L 51/5016 (2013.01);
Abstract
The present invention relates to novel organic compounds containing oligocarbazoles. The compounds are useful for organic light-emitting diodes. The compounds are also useful for charge-transport and charge-blocking layers, and as hosts in the light-emissive layer for organic light emitting devices (OLEDs).