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:
Dec. 06, 2016
Filed:
Jun. 18, 2014
Applicant:
Sharp Kabushiki Kaisha, Osaka-shi, Osaka, JP;
Inventors:
Takashi Nakano, Osaka, JP;
Mitsuru Nakura, Osaka, JP;
Kazuya Ishihara, Osaka, JP;
Nobuyoshi Awaya, Osaka, JP;
Kazuhiro Natsuaki, Osaka, JP;
Takahiro Takimoto, Osaka, JP;
Masayo Uchida, Osaka, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/18 (2006.01); G02B 5/20 (2006.01); G02B 5/00 (2006.01);
U.S. Cl.
CPC ...
G02B 5/203 (2013.01); G02B 5/008 (2013.01); G02B 5/204 (2013.01);
Abstract
An optical filter configured to transmit light of a predetermined wavelength includes a substrate; a first conductive thin film that is disposed on the substrate and has apertures extending through the first conductive thin film and arranged with a period of less than the predetermined wavelength; and a second conductive thin film at least a portion of which faces the apertures so as to be separated from the apertures.