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:
Mar. 03, 2015
Filed:
Dec. 21, 2009
Applicants:
Vsevolod Rostovtsev, Swarthmore, PA (US);
Weiying Gao, Landenberg, PA (US);
Jeffrey A. Merlo, Wilmington, DE (US);
Inventors:
Vsevolod Rostovtsev, Swarthmore, PA (US);
Weiying Gao, Landenberg, PA (US);
Jeffrey A. Merlo, Wilmington, DE (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/63 (2006.01); C07C 211/54 (2006.01); H01B 1/12 (2006.01); H01B 1/22 (2006.01); H01L 51/00 (2006.01); C09K 11/06 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/006 (2013.01); C09K 11/06 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1014 (2013.01); H01L 51/0085 (2013.01); H01L 51/5012 (2013.01); H01L 2251/5384 (2013.01);
Abstract
There is provided an electroluminescent composition. The composition includes a material having Formula I In Formula I: Ris the same or different at each occurrence and is selected from D, alkyl, alkoxy, silyl, and siloxane, or adjacent Rgroups may be joined together to form a 5- or 6-membered aliphatic ring; Arand Arare the same or different and are aryl groups; a is an integer from 0 to 6; b is an integer from 0 to 2; and c is an integer from 0 to 3.