ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,102, issued on Oct. 21, was assigned to SIGNIFY HOLDING B.V. (Eindhoven, Netherlands).
"LED filament" was invented by Ties Van Bommel (Horst, Netherlands), Rifat Ata Mustafa Hikmet (Eindhoven, Netherlands) and Evren Ozcan (Eindhoven, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting diode, LED, filament (1) is disclosed, comprising a plurality of LEDs (2) configured to, in operation, emit LED light, and an elongated carrier (3) comprising a major surface (4) on which the plurality of LEDs (2) are arranged. The LED filament (1) comprises a first enclosing structure (5), comprising a first body (6) arranged to receive at leas...