Patent · US Active

Light-scattering shaped articles of high light transmission and the use thereof in flat screens

US7582720B2 · kind B2 · utility

3Cited by

2References

8Claims

0Family size

Assignee

Bayer MaterialScience AG · DE

Inventors

Claus Rüdiger · Krefeld, DE
Michael Prein · Brasschaat, BE
Marco Roelofs · Krefeld, DE
Jurgen Rohner
Tanja Gruter-Reetz · Krefeld, DE

Key dates

Filing date	Feb 24, 2006
Grant date	Sep 1, 2009
Priority date	—
Expiry date	Sep 25, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/29
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a solid sheet prepared from a composition that includes: (a) a transparent polycarbonate; and (b) transparent polymeric particles having an optical density which differs from the transparent polycarbonate matrix material. The present invention also relates to use of such a solid sheet as a diffuser sheet in flat screens.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.