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. 28, 2019
Filed:
Jan. 07, 2014
Signify Holding B.v., Eindhoven, NL;
Rob Franciscus Maria Van Elmpt, Eindhoven, NL;
Henricus Marie Peeters, Eindhoven, NL;
Rifat Ata Mustafa Hikmet, Eindhoven, NL;
Martinus Petrus Joseph Peeters, Eindhoven, NL;
Dirk Veldman, Eindhoven, NL;
Paulus Albertus Van Hal, Eindhoven, NL;
René Theodorus Wegh, Eindhoven, NL;
SIGNIFY HOLDING B.V., Eindhoven, NL;
Abstract
The present invention relates to a lighting device () to stimulate plant growth and bio-rhythm of a plant. The lighting device () comprising a solid state light source () arranged to emit direct red light having a wavelength of 600 to 680 nm, preferably 640 to 680 nm, and a wavelength converting member () arranged to receive at least part of said direct red light emitted from said solid state light source () and to convert said received direct red light to far-red light having a maximum emission wavelength of 700 to 760 nm, preferably 720 to 760 nm.