Poly(benzodithiophenes)

US7524922B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Martin Heeney · Southampton, GB
• Clare Bailey · Southampton, GB
• Steven Tierney · Southampton, GB
• Weimin Zhang · Southampton, GB
• Iain McCulloch · Southampton, GB

Key dates

• Filing date: Oct 14, 2004
• Grant date: Apr 28, 2009
• Expiry date: Dec 5, 2025

Classification

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

Abstract

Disclosed are novel poly(benzodithiophenes), their use as semiconductors or charge transport materials in optical, electro-optical or electronic devices, for example, liquid crystal displays, optical films, organic field effect transistors (FET or OFET) for thin film transistor liquid crystal displays and integrated circuit devices such as RFID tags, electroluminescent devices in flat panel displays, and in photovoltaic and sensor devices, and to a field effect transistor, light emitting device or ID tag.