Luminescent diaza-monoaza-and benzimidazole metal carbene complexes for use in electronic devices such as OLEDs

US10290817B2 · kind B2 · utility

Assignee

• UDC IRELAND LIMITED · IE

Inventors

• Glauco Battagliarin · Mannheim, DE
• Flavio Luiz Benedito · Ludwigshafen, DE
• Stefan Metz · Dublin, IE
• Korinna Dormann · Bad Dürkheim, DE
• Peter Murer · Oberwil, CH
• Soichi Watanabe · Mannheim, DE
• Christian Lennartz · Dublin, IE
• Georg Beck · Bobingen, DE
• Thomas Geßner · Heidelberg, DE

Key dates

• Filing date: Jul 31, 2014
• Grant date: May 14, 2019
• Expiry date: Oct 20, 2035

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P70/50
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A cyclometallated Ir complex comprising one, two or three ligands of formula (I) or (I′) substituted at the R5 and R7 position; an organic electronic device comprising at least one inventive cyclometallated Ir complex; a light-emitting layer comprising at least one inventive cy-clometallated Ir complex; the use of the inventive cyclometallated Ir complex in an OLED; an apparatus selected from the group consisting of stationary visual display units, mobile visual display units, illumination units, units in items of clothing, units in handbags, units in accessories, units in furniture and units in wallpaper, comprising the organic electronic device; and a process for preparing a the inventive cyclometallated Ir complex.