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:
Aug. 19, 2014
Filed:
Feb. 27, 2009
Applicants:
Sohmei Endoh, Miyagi, JP;
Kazuya Hayashibe, Saitama, JP;
Inventors:
Sohmei Endoh, Miyagi, JP;
Kazuya Hayashibe, Saitama, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/10 (2006.01); G02B 1/11 (2006.01);
U.S. Cl.
CPC ...
G02B 1/118 (2013.01);
Abstract
An optical device is provided including plural structures formed of a convex portion or a concave portion are arranged on the surface of a base member with a fine pitch equal to or less than the wavelength of visible light. The structures are arranged on the surface of the base member to form plural lines of tracks and form a hexagonal lattice pattern or a quasi-hexagonal lattice pattern. Each structure has an elliptical cone shape or a truncated elliptical cone shape of which the long-axis direction is parallel to the track extending direction.