Materials for organic electroluminescent devices

US8852756B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Horst Vestweber · Prüm, DE
• Holger Heil · Frankfurt am Main, DE
• Philipp Stoessel · Frankfurt am Main, DE
• Arne Buesing · Frankfurt, DE
• Amir Hossain Parham · Frankfurt am Main, DE
• Rocco Fortte · Frankfurt am Main, DE

Key dates

• Filing date: Apr 21, 2006
• Grant date: Oct 7, 2014
• Expiry date: Jan 9, 2030

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P70/50
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to the improvement of organic electroluminescent devices, in particular blue-emitting devices, by using compounds of the formula (1) as dopants in the emitting layer.