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:
Jun. 10, 2014
Filed:
Dec. 23, 2009
Eiki Ohyanagi, Miyagi, JP;
Hitoshi Watanabe, Miyagi, JP;
Mikihisa Mizuno, Miyagi, JP;
Masanori Nishiyama, Miyagi, JP;
Eiki Ohyanagi, Miyagi, JP;
Hitoshi Watanabe, Miyagi, JP;
Mikihisa Mizuno, Miyagi, JP;
Masanori Nishiyama, Miyagi, JP;
Sony Corporation, Tokyo, JP;
Abstract
An optical device is provided and includes a substrate having a three-dimensionally random concave-convex shape on the surface thereof, and a hard coat layer formed on the substrate, wherein a projection height with the maximum frequency on the substrate surface falls within the range of 1.5 μm or more and not more than 10 μm. Projections larger than the projection height with the maximum frequency on the substrate surface have a height falling within +3 μm from a central value of the projection height with the maximum frequency. A length RSm in a lateral direction of concaves and convexes on the substrate surface is 55 μm or more and not more than 500 μm.