Conjugated polymers containing spirobifluorene units and fluorene units, and the use thereof

US7288617B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Kevin Treacher · Manchester, GB
• Heinrich Becker · Königstein, DE
• Philipp Stössel · Frankfurt, DE
• Hubert Spreitzer · Viernheim, DE
• Aurelie Falcou · Mainz, DE
• Amir Hossain Parham · Frankfurt am Main, DE
• Arne Büsing · Frankfurt, DE

Key dates

• Filing date: Mar 22, 2002
• Grant date: Oct 30, 2007
• Expiry date: Aug 12, 2022

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S428/917
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to novel polymers which comprise spirobifluorene and fluorine units of the formulae (I) and (II) and may further comprise additional structural elements which may have charge transport properties, hole transport properties and/or electron transport properties.Such materials display a significantly improved property profile in electronic components, particularly when used in a PLED, in particular as electroluminescence material, in organic integrated circuits (O-ICs), organic field effect transistors (OFETs), organic thin film transistors (OTFTs), organic solar cells (O-SCs) or organic laser diodes (O lasers).