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:
Oct. 01, 2024
Filed:
Jul. 17, 2023
Signify Holding B.v., Eindhoven, NL;
Ties Van Bommel, Horst, NL;
Rifat Ata Mustafa Hikmet, Eindhoven, NL;
Johannes Petrus Maria Ansems, Eindhoven, NL;
SIGNIFY HOLDING, B.V., Eindhoven, NL;
Abstract
The present invention relates to a color tunable and/or color temperature tunable LED filament (), said LED filament comprising an elongated carrier (), said elongated carrier comprising a first major surface () and a second major surface () arranged opposite to said first major surface, a plurality of LEDs () arranged in at least one linear array on said first surface of said elongated carrier, wherein the plurality of LEDs includes LEDs of different colors and/or different color temperatures, a first elongated transparent or substantially transparent layer () covering the plurality of LEDs on the first major surface and also at least partly covering said first major surface, and a first elongated light scattering layer (), arranged to at least partially cover said first transparent or substantially transparent layer.