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:
Jan. 13, 2015
Filed:
Dec. 18, 2009
Applicants:
Weiying Gao, Landenberg, PA (US);
Dean T. Deibler, Boothwyn, PA (US);
Vsevolod Rostovtsev, Swarthmore, PA (US);
Inventors:
Weiying Gao, Landenberg, PA (US);
Dean T. Deibler, Boothwyn, PA (US);
Vsevolod Rostovtsev, Swarthmore, PA (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); C09K 11/06 (2006.01); H05B 33/20 (2006.01); H01L 51/00 (2006.01); H05B 33/14 (2006.01); C09B 6/00 (2006.01); C09B 57/00 (2006.01); C09B 1/00 (2006.01); C09B 3/14 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H05B 33/20 (2013.01); C09K 11/06 (2013.01); H01L 51/0054 (2013.01); H01L 51/006 (2013.01); H05B 33/14 (2013.01); C09B 6/00 (2013.01); C09B 57/00 (2013.01); C09B 1/00 (2013.01); C09B 3/14 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1014 (2013.01); H01L 51/5016 (2013.01); Y10S 428/917 (2013.01);
Abstract
There is provided an electroactive composition. The composition has (a) a host material having Formula I and (b) an electroactive dopant capable of electroluminescence having an emission maximum between 500 and 700 nm. In Formula I: