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. 21, 2025
Filed:
Mar. 10, 2023
Signify Holding B.v., Eindhoven, NL;
SIGNIFY HOLDING B.V., Eindhoven, NL;
Abstract
A light-emitting diode, LED, filament () is disclosed, comprising a plurality of LEDs () configured to, in operation, emit LED light, and an elongated carrier () comprising a major surface () on which the plurality of LEDs () are arranged. The LED filament () comprises a first enclosing structure (), comprising a first body () arranged to receive at least some of the LED light emitted by the plurality of LEDs (), convey it through the first body () and output first LED light, and a second enclosing structure (), comprising a second body () arranged to receive at least some of the first LED light, convey it through the second body () and output second LED light, wherein the second body () comprises one or more wavelength-converting elements. A thickness (T) of the first enclosing structure () is larger than a thickness (T) of the second enclosing structure () multiplied by two.