Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Weijun Zhou0
Kenneth W. Williams0
Phillip L. Wing0
Stephen F. Hahn0
Date of Patent
July 19, 2011
0Patent Application Number
124428570
Date Filed
September 14, 2007
0Patent Primary Examiner
Patent abstract
The present invention is a bulk light diffuser material based upon a hydrogenated block copolymer, but including a particulate light diffusing component. The material may be in the form of a film, a sheet or a molded article. When present as a sheet having a thickness of 2 millimeters, the sheet has a percent total transmittance of at least 50% and a haze of at least 70%, measured according to the American Society for Testing and Materials (ASTM) standard D 1003.
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