Compositions for electronic applications

US9293716B2 · kind B2 · utility

Assignee

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

Inventors

• Jerald Feldman · Wilmington, US
• Norman Herron · Newark, US
• Michael Henry Howard, Jr. · Montchanin, US
• Nora Sabina Radu · Landenberg, US
• Vsevolod Rostovtsev · Swarthmore, US
• Kerwin D. Dobbs · Wilmington, US
• Adam Fennimore · Wilmington, US
• Weiying Gao · Landenberg, US
• Weishi Wu · Landenberg, US
• Ying Wang · Wilmington, US
• Charles D. McLaren · Landenberg, US

Key dates

• Filing date: Dec 19, 2011
• Grant date: Mar 22, 2016
• Expiry date: Oct 20, 2032

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K2101/90
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

This invention relates to a composition including (a) a dopant, (b) a first host having at least one unit of Formula I, and (c) a second host compound. Formula I has the structurewhere Q is a fused ring linkage having the formulaIn Formula I: R1 is the same or different at each occurrence and is D, alkyl, aryl, silyl, alkoxy, aryloxy, cyano, vinyl, or allyl; R2 is the same or different at each occurrence and is H, D, alkyl, or aryl, or both R2 are an N-heterocycle; R3 is the same or different at each occurrence and is H, D, cyano, alkyl or aryl; and a is the same or different at each occurrence and is an integer from 0-4.