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:
Feb. 25, 2025
Filed:
Nov. 01, 2022
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Motoki Yako, Osaka, JP;
Atsushi Ishikawa, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 3/28 (2006.01); G02B 5/20 (2006.01); G02B 5/28 (2006.01); G02B 26/00 (2006.01); G02B 3/00 (2006.01);
U.S. Cl.
CPC ...
G01J 3/2823 (2013.01); G02B 5/201 (2013.01); G02B 5/284 (2013.01); G02B 26/001 (2013.01); G01J 2003/2826 (2013.01); G02B 3/0056 (2013.01);
Abstract
A filter array includes optical filters that are disposed in a two-dimensional plane. At least one optical filter of the optical filters includes an interference layer having a first surface and a second surface opposite the first surface, and a reflective layer provided on the first surface. A transmission spectrum of the at least one optical filter has maximum values. The reflective layer is not provided on the second surface.