Charge transport material including a poly-3,3″-dialkyl-2,2′:5′2″-terthiophene

US6953957B2 · kind B2 · utility

Assignees

• Merck Patent GmbH · DE
• Siemens Aktiengesellschaft · DE

Inventors

• Iain McCulloch · Southampton, GB
• Marcus Thompson · Fordingbridge, GB
• Mark Giles · Southampton, GB
• Martin Heeney · Southampton, GB
• Steven Tierney · Southampton, GB
• Henning Rost · Erlangen, DE

Key dates

• Filing date: Oct 15, 2003
• Grant date: Oct 11, 2005
• Expiry date: Feb 18, 2024

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K10/462

Abstract

The invention generally relates to the use of poly-3,3″-dialkyl-2,2′:5′,2″-terthiophenes as charge transport materials or semiconductors in electrooptical, electronic or electroluminescent devices, and to charge transport and semiconducting components and devices comprising poly-3,3″-dialkyl-2,2′:5′,2″-terthiophenes.