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:
May. 26, 2020
Filed:
Feb. 16, 2016
Signify Holding B.v., Eindhoven, NL;
Dirk Veldman, Eindhoven, NL;
Rifat Ata Mustafa Hikmet, Eindhoven, NL;
Ties Van Bommel, Eindhoven, NL;
Wijnand Evert Jacobus Van Kooten, Eindhoven, NL;
SIGNIFY HOLDING B.V., Eindhoven, NL;
Abstract
A lighting device () is disclosed. The lighting device comprises a light source (), an at least partially light transmitting envelope () and a dispenser (). The envelope is arranged to define a sealed space () in which at least a portion of the light source is arranged. Further, the dispenser comprises a chemically reactive substance and is adapted to gradually release at least some of the chemically reactive substance to the sealed space so as to reduce contaminants and by-products that may be present in the sealed space.