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:
Sep. 01, 2026
Filed:
Jun. 21, 2023
Applicant:
Nichia Corporation, Anan, JP;
Inventors:
Kei Haraguchi, Itano-gun, JP;
Kenji Asai, Naruto, JP;
Munetake Fukunaga, Tokushima, JP;
Yasuo Fujikawa, Yokohama, JP;
Assignee:
NICHIA CORPORATION, Anan, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/20 (2020.01); H05B 45/10 (2020.01);
U.S. Cl.
CPC ...
H05B 45/20 (2020.01); H05B 45/10 (2020.01);
Abstract
A lighting fixture includes: one or more first light emitting devices configured to emit first light and second light for circadian rhythms; and a second light emitting device configured to emit third light having substantially effective emission wavelength in the 320 nm to 420 nm range. A correlated color temperature of the second light is higher than a correlated color temperature of the first light. A meranopic ratio of the second light is higher than a meranopic ratio of the first light.