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:
Apr. 26, 2016
Filed:
Jul. 16, 2013
Applicant:
Universal Display Corporation, Ewing, NJ (US);
Inventors:
Raymond Kwong, Fo Tan, HK;
Chuanjun Xia, Lawrenceville, NJ (US);
Scott Joseph, Ewing, NJ (US);
Siu Tung Lam, Apleichau, HK;
Chi Hang Lee, Chaiwan, HK;
Assignee:
Universal Display Corporation, Ewing, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/00 (2006.01); C09K 11/06 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0061 (2013.01); C09K 11/06 (2013.01); H01L 51/0071 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H01L 51/5016 (2013.01);
Abstract
Luminescent materials including donor-acceptor compounds with a high triplet energy heteropolyaromatic system, namely, dibenzofuran, dibenzothiophene and dibenzoselenophene with one or multiple nitrogens in the ring as the electron acceptor for use as emitters in organic light emitting diodes is disclosed.