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:
Dec. 31, 2013
Filed:
Dec. 21, 2009
Michael Henry Howard, Jr., Montchanin, DE (US);
Nora Sabina Radu, Landenberg, PA (US);
Weishi Wu, Landenberg, PA (US);
Weiying Gao, Landenberg, PA (US);
Norman Herron, Newark, DE (US);
Eric Maurice Smith, Hockessin, DE (US);
Christina M. Older, Wilmington, DE (US);
Adam Fennimore, Wilmington, DE (US);
Ying Wang, Wilmington, DE (US);
Daniel David Lecloux, Wilmington, DE (US);
Kalindi Dogra, Wilmington, DE (US);
Vsevolod Rostovtsev, Swarthmore, PA (US);
Jerald Feldman, Wilmington, DE (US);
Siddhartha Shenoy, Wilmington, DE (US);
Michael Henry Howard, Jr., Montchanin, DE (US);
Nora Sabina Radu, Landenberg, PA (US);
Weishi Wu, Landenberg, PA (US);
Weiying Gao, Landenberg, PA (US);
Norman Herron, Newark, DE (US);
Eric Maurice Smith, Hockessin, DE (US);
Christina M. Older, Wilmington, DE (US);
Adam Fennimore, Wilmington, DE (US);
Ying Wang, Wilmington, DE (US);
Daniel David Lecloux, Wilmington, DE (US);
Kalindi Dogra, Wilmington, DE (US);
Vsevolod Rostovtsev, Swarthmore, PA (US);
Jerald Feldman, Wilmington, DE (US);
Siddhartha Shenoy, Wilmington, DE (US);
E I du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
There is provided an electroactive composition including: a deuterated first host material and an electroluminescent dopant material. The first host is a compound having Formula I: The compound of Formula I is deuterated. In Formula I: Arto Arare the same or different and are aryl; Q is a multivalent aryl group or where T is (CR'), SiR, S, SO, PR, PO, PO, BR, or R; R is the same or different at each occurrence and is an alkyl group or an ary group; R′ is the same or different at each occurrence and is selected H, D, or alkyl; a is an integer from 1-6; and m is an integer from 0-6.