The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 11, 2008
Filed:
Aug. 03, 2004
Applicants:
Makoto Namioka, Niihama, JP;
Masato Kuwabara, Tsukuba, JP;
Inventors:
Makoto Namioka, Niihama, JP;
Masato Kuwabara, Tsukuba, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/00 (2006.01); G02B 13/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
An anti-glare optical film which reduces in whitening of a screen without sacrificing anti-glare property, and a process for preparing the same. There is provided an anti-glare optical film has an irregular surface, wherein a ratio of areas of the surface having an inclination angle of 1° or less is 20% or less, a ratio of areas of the surface having an inclination angle of 5° or more is 20% or less, and a standard deviation of a height of the surface is 0.2 μm or less. There is also provided a process for preparing an anti-glare optical film.