6,9,15,18-tetrahydro-s-indaceno[1,2-b:5,6-b′]difluorene derivatives and use thereof in electronic devices

US11158816B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

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

Key dates

• Filing date: Jul 29, 2016
• Grant date: Oct 26, 2021
• Expiry date: Feb 28, 2038

Classification

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

Abstract

The present application relates to a compound of a formula (I) or formula (II) which is suitable for use as functional material in an electronic device, especially as emitter material in an organic electroluminescent device.