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US 10,865,974 B2Granted
Solid state lighting lamp
AssigneeSignify Holding B.V.
InventorsXiaoqing Duan, Zhigang Pei, Linggen Mo
Life of this patent
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Abstract
A solid state lighting lamp (10) is disclosed comprising a plurality of heatsink modules (40) each extending in alignment with a central axis (15) of the lamp, each heatsink module carrying a plurality of solid state lighting elements (50); and a body (20) extending in alignment with said central axis and delimiting an inner volume of the lamp, wherein the heatsink modules are affixed to said body. The body is the optical housing, i.e. the light exit window of the lamp.
Claims6
A solid state lighting lamp comprising:
- a plurality of heatsink modules each extending in alignment with a central axis of the lamp, each heatsink module having an outward facing surface and an inner surface opposite to the outward facing surface, and carrying a plurality of solid state lighting elements on the outward facing surface;
- a body extending in alignment with said central axis and delimiting an inner volume of the lamp, wherein the body is cylindrical and defines a light exit window of the solid state lighting lamp, and each heatsink module is affixed to an inner surface of said body;
- a base including an electrical connector;
- and
- a cap opposite said base;
- wherein the body and the heatsink modules extend between the base and the cap, and each of the cap and the base comprises a plurality of air vents, so as to generate an air flow substantially in parallel with the central axis through the solid state lighting lamp;
- wherein each heatsink module is affixed to said body by at least one tongue and groove coupling.
4 more elements
Dependencies are inferred from the claim text.