Organic polymers, electronic devices, and methods

US7473652B2 · kind B2 · utility

Assignee

• 3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

• Feng Bai · Woodbury, US
• Todd D. Jones · Windom, US
• Kevin M. Lewandowski · Inver Grove Heights, US
• Tzu-Chen Lee · Woodbury, US
• Dawn V. Muyres · Windom, US
• Tommie W. Kelley · Coon Rapids, US

Key dates

• Filing date: Jun 30, 2006
• Grant date: Jan 6, 2009
• Expiry date: Jul 12, 2027

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31692
• WIPO field: Semiconductors
• WIPO sector: Electrical engineering

Abstract

Organic polymers for use in electronic devices, wherein the polymer includes repeat units of the formula:wherein: each R1 is independently H, an aryl group, Cl, Br, I, or an organic group that includes a crosslinkable group; each R2 is independently H, an aryl group or R4; each R3 is independently H or methyl; each R5 is independently an alkyl group, a halogen, or R4; each R4 is independently an organic group that includes at least one CN group and has a molecular weight of about 30 to about 200 per CN group; and n=0-3; with the proviso that at least one repeat unit in the polymer includes an R4. These polymers are useful in electronic devices such as organic thin film transistors.