Electroactive composition and electronic device made with the composition

US8617720B2 · kind B2 · utility

Assignee

• E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

• Michael Henry Howard, Jr. · Montchanin, US
• Nora Sabina Radu · Landenberg, US
• Weishi Wu · Landenberg, US
• Weiying Gao · Landenberg, US
• Norman Herron · Newark, US
• Eric Maurice Smith · Hockessin, US
• Christina M. Older · Wilmington, US
• Adam Fennimore · Wilmington, US
• Ying Wang · Wilmington, US
• Daniel David Lecloux · Buellton, US
• Kalindi Dogra · Wilmington, US
• Vsevolod Rostovtsev · Swarthmore, US
• Jerald Feldman · Wilmington, US
• Siddhartha Shenoy · Wilmington, US

Key dates

• Filing date: Dec 21, 2009
• Grant date: Dec 31, 2013
• Expiry date: Apr 7, 2032

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K2101/10
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

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: Ar1 to Ar4 are the same or different and are aryl; Q is a multivalent aryl group orwhere T is (CR′)a, SiR2, S, SO2, PR, PO, PO2, 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.