Materials for organic light emitting devices

US10622565B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Amir Hossain Parham · Frankfurt am Main, DE
• Anja Jatsch · Frankfurt am Main, DE
• Thomas Eberle · Landau, DE
• Tobias Grossmann · Darmstadt, DE
• Jonas Valentin Kroeber · Frankfurt am Main, DE
• Lars Dobelmann-Mara · Darmstadt, DE

Key dates

• Filing date: Apr 1, 2015
• Grant date: Apr 14, 2020
• Expiry date: Apr 1, 2035

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E10/549
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention describes carbazole, dibenzofuran, dibenzothiophene and fluorene derivatives which are substituted by electron-deficient heteroaryl groups, in particular for use as triplet matrix materials in organic electroluminescent devices. The invention furthermore relates to a process for the preparation of the compounds according to the invention and to electronic devices comprising these compounds.