ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,760, issued on April 22, was assigned to SIGNIFY HOLDING B.V. (Eindhoven, Netherlands).
"LED filament with elevated phosphor layer for flame appearance" was invented by Ties Van Bommel (Horst, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "A LED filament (2,20) configured to provide LED filament light. The LED filament comprising an elongated carrier (7) extending in a lengthwise direction, said elongated carrier comprising a first major surface (7a). The LED filament further comprises a plurality of LEDs (8) arranged on said first major surface and configured to emit LED light, a first layer (9) free from a luminescent material encapsula...