Lamp comprising cooling means
AssigneePhilips Lighting Holding B.V.
InventorsJan De Graaf, Edwin De Groot, Simon Jacobus Maria Kuppens, Simon Eme Kadijk
Life of this patent
Estimating the term…
Abstract
According to the invention a lamp (100, 200) is provided. The lamp (100, 200) comprising: a wick structure (102, 202) hosting a solid state light source (104, 204) and comprising a fixed wick material (108, 208), an envelope (106, 206) forming a cavity (109, 209) hosting the wick structure (102, 202), wherein the cavity (109, 209) is configured as a heat pipe comprising a working fluid (110, 210), wherein the envelope (106, 206) is shaped such that condensed working fluid (110, 210) is guided towards the fixed wick material (108, 208) independently of the spatial orientation of the lamp (100, 200).
Claims7
A lamp comprising:
- a wick structure having a solid state light source hosted thereon, the wick structure comprising a fixed wick material,
- an envelope having a cavity to host the wick structure,
- wherein the cavity is configured as a heat pipe comprising a working fluid,
- wherein the envelope is convex shaped as seen from an inside of the lamp such that condensed working fluid is guided towards the fixed wick material independently of the spatial orientation of the lamp.
Dependencies are inferred from the claim text.