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:
Jan. 26, 2021
Filed:
Feb. 18, 2020
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); C08L 53/02 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0028 (2013.01); C08L 53/025 (2013.01); G02B 1/045 (2013.01); G02B 6/0031 (2013.01); G02B 6/0081 (2013.01);
Abstract
A lighting apparatus includes: a light source module; a light guide that guides light emitted from the light source module; and a light exit structure provided in the light guide, for causing the light to exit the light guide. The light guide includes: a base material that is flexible and light-transmissive; and a visible-light absorber uniformly dispersed in the base material. The visible-light absorber has a maximum absorption wavelength of at least 500 nm and at most 750 nm.