Organic electroluminescent device

US9444064B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Joachim Kaiser · Frankfurt am Main, DE
• Holger Heil · Frankfurt am Main, DE
• Philipp Stoessel · Frankfurt am Main, DE
• Dominik Joosten · Ober-Ramstadt, DE
• Simone Leu · Dittelsheim-Heßloch, DE

Key dates

• Filing date: Feb 24, 2010
• Grant date: Sep 13, 2016
• Expiry date: Aug 13, 2033

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K2101/30

Abstract

The present invention relates to phosphorescent organic electroluminescent devices which comprise at least one phosphorescent emitter and a mixture of at least two matrix materials in the emitting layer.