Bisbenzofuran-fused 2,8-diaminoindeno[1,2-b]fluorene derivatives and related compounds as materials for organic electroluminescent devices (OLED)

US11584753B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Rouven Linge · Darmstadt, DE
• Lara-Isabel Rodriguez · Darmstadt, DE
• Sebastian Meyer · Bielefeld, DE
• Holger Heil · Frankfurt am Main, DE

Key dates

• Filing date: Nov 21, 2017
• Grant date: Feb 21, 2023
• Expiry date: Aug 8, 2039

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 relates to bisbenzofuran-fused 2,8-diaminoindeno[1,2-b]fluorene derivatives and related compounds of formula (1) as materials for organic electroluminescent devices (OLEDs).