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:
Apr. 02, 2024
Filed:
Sep. 06, 2021
Signify Holding B.v., Eindhoven, NL;
Michel Cornelis Josephus Marie Vissenberg, Roermond, NL;
Bartel Marinus Van De Sluis, Eindhoven, NL;
Leendert Teunis Rozendaal, Valkenswaard, NL;
Marcellinus Petrus Carolus Michael Krijn, Eindhoven, NL;
SIGNIFY HOLDING, B.V., Eindhoven, NL;
Abstract
A lighting device, comprising an enclosure () comprising a plurality of partitioning elements (-) to form within the enclosure a plurality of sub-spaces (-) each comprising first and second reflective inner surfaces (), wherein each sub-space further comprises a light source () arranged to emit light with a light output, the light output comprising light beams in a blue wavelength range of 400-490 nm and in a non-blue wavelength range of 490-700 nm, a first part of the light output being incident on the first reflective inner surface of the sub-space and a second part of the light output being incident on the second reflective inner surface of the sub-space, wherein, for light within the blue wavelength range, the first reflective inner surface has a first blue reflectance () of >20%, and the second reflective inner surface has a second blue reflectance () of <20%.