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:
Sep. 03, 2024
Filed:
Apr. 12, 2021
Signify Holding B.v., Eindhoven, NL;
Ties Van Bommel, Horst, NL;
Rifat Ata Mustafa Hikmet, Eindhoven, NL;
Johannes Petrus Maria Ansems, Hulsel, NL;
SIGNIFY HOLDING, B.V., Eindhoven, NL;
Abstract
A lighting device () comprising at least one first light-emitting diode, LED, filament () adapted to emit light with a first correlated color temperature, CCT, and at least one second LED filament () adapted to emit light with a second, different, CCT. Each of the LED filaments is arranged to emit a first, larger, portion of light () from a first side (), and a second, smaller, portion of light () from a second side (). A longitudinal axis (A) extends from a base () of the lighting device to a top portion () of the envelope. Each of the at least one first LED filament is arranged at a first angle ( ) from the longitudinal axis, with its first surface generally facing towards the top portion of the lighting device, and each of the at least one second LED filament is arranged at a second angle ( ) from the longitudinal axis, with its first surface generally facing towards the base.