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:
Jan. 06, 2009
Filed:
Jun. 19, 2007
Applicants:
Taiji Suga, Tokyo, JP;
Tadahiro Masaki, Tokyo, JP;
Fumihiro Arakawa, Tokyo, JP;
Inventors:
Assignee:
Dai Nippon Printing Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An antiglare film having excellent durability is disposed on the front of a display device and comprises a transparent plastic film and, formed on the transparent plastic film, at least an antiglare layer having fine concaves and convexes on its surface, wherein the antiglare layer is formed of a transparent resin and satisfies requirements that: (1) the surface of the antiglare layer has a three-dimensional ten-point mean roughness of 0.9 μm to 3 μm; and (2) the mean spacing between adjacent profile peaks on a three-dimensional roughness reference plane is 20 μm to 50 μm.