Use of boron and aluminum compounds in electronic components

US7060369B2 · kind B2 · utility

Assignee

• Covion Organic Semiconductors GmbH · DE

Inventors

• Philipp Stössel · Frankfurt, DE
• Hubert Spreitzer · Viernheim, DE
• Heinrich Becker · Königstein, DE
• Jacqueline Drott · Riedstadt, DE

Key dates

• Filing date: Dec 20, 2001
• Grant date: Jun 13, 2006
• Expiry date: Dec 20, 2021

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S428/917

Abstract

The present invention relates to the use of boron and aluminum compounds in electronics, in particular as electron transport material, as host material of the emission layer and as hole blocking material, in each case in phosphorescent OLEDs, and also to layers produced therefrom in phosphorescent OLEDs.