Light-scattering sheet having high light transmission and improved antistatic properties

US7790287B2 · kind B2 · utility

Assignee

• Bayer MaterialScience AG · DE

Inventors

• Claus Rüdiger · Krefeld, DE
• Heinz Pudleiner · Krefeld, DE
• Klaus Meyer · Dormagen, DE
• Jurgen Rohner
• Tanja Gruter-Reetz · Krefeld, DE
• Fumika Kaneko · Tokyo, JP

Key dates

• Filing date: Aug 21, 2006
• Grant date: Sep 7, 2010
• Expiry date: Feb 28, 2027

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31938
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A solid sheet comprising transparent polycarbonate matrix, particles of a transparent polymer and an antistatic agent is disclosed. Characterized in that the refractive index of said matrix differs from that of said polymer, the sheet is suitable in making diffuser plate in flat screens.