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:
Oct. 13, 2015
Filed:
Feb. 04, 2014
Applicant:
Panasonic Corporation, Osaka, JP;
Inventors:
Shigeru Saitou, Kyoto, JP;
Kazutoshi Onozawa, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/369 (2011.01); G02B 5/18 (2006.01); H01L 27/146 (2006.01); G02B 19/00 (2006.01);
U.S. Cl.
CPC ...
H04N 5/3696 (2013.01); G02B 5/1885 (2013.01); G02B 19/0076 (2013.01); H01L 27/14627 (2013.01); H01L 27/14629 (2013.01);
Abstract
A solid-state imaging apparatus includes unit pixels each having a light-collecting element for collecting incident light, the light-collecting element: is divided into a plurality of zones each having a ring shape of concentric structure and a line width shorter than a wavelength of the incident light; and has an effective refractive index distribution controlled according to a combination of the zones, and in at least one of the zones, a light-transmissive film which is included in the zone is divided in a circumferential direction of the concentric structure at an interval shorter than the wavelength of the incident light.