Organic electroluminescence device

US9735385B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Jonas Valentin Kroeber · Frankfurt am Main, DE
• Frank Voges · Bad Dürkheim, DE
• Susanne Heun · Bad Soden, DE
• Joachim Kaiser · Frankfurt am Main, DE

Key dates

• Filing date: Jul 25, 2012
• Grant date: Aug 15, 2017
• Expiry date: Jan 20, 2034

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K2101/40
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to organic electroluminescent devices which comprise a mixture of at least two materials in the electron-transport layer.