Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Venkataramanan Seshadri0
Christopher Greco0
Darin Laird0
Mathew K. Mathai0
Brian E. Woodworth0
Date of Patent
September 13, 2011
Patent Application Number
11826394
Date Filed
July 13, 2007
Patent Primary Examiner
Patent abstract
Conducting polymer systems for hole injection or transport layer applications including a composition comprising: a water soluble or water dispersible regioregular polythiophene comprising (i) at least one organic substituent, and (ii) at least one sulfonate substituent comprising sulfonate sulfur bonding directly to the polythiophene backbone. The polythiophene can be water soluble, water dispersible, or water swellable. They can be self-doped. The organic substituent can be an alkoxy substituent, or an alkyl substituent. OLED, PLED, SMOLED, PV, and ESD applications can be used.
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