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:
Nov. 16, 2021
Filed:
Jun. 06, 2019
Signify Holding B.v., Eindhoven, NL;
Martinus Hermanus Wilhelmus Maria Van Delden, Eindhoven, NL;
SIGNIFY HOLDING B.V., Eindhoven, NL;
Abstract
A lighting unit () is disclosed comprising a torsion box () having a plurality of sidewalls () and a grid of internal walls (), each of said internal walls extending between a pair of said sidewalls, said internal walls defining a plurality of compartments () within the lighting unit. At least one solid state lighting element () is located within at least some of said compartments, and a back panel () is arranged at a first opening () of the torsion box delimited by the sidewalls such that the back panel covers said compartments, wherein a second opening () of the torsion box delimited by said sidewalls opposing the first major opening defines a light exit window of the lighting unit. Also disclosed is a lighting kit comprising such lighting units, and wherein at least some internal walls () have a recessed central portion () having a height (H') of at most half the height (H) of said side walls ().