Light fixture with an electrodeless plasma source
View Patent ↗The present invention relates to a light fixture comprising an electrodeless plasma source, said electrodeless plasma source comprises a resonator and a light bulb, said light bulb is operating inside a cavity of a TIR where the TIR lens comprises a metal grid covering at least a part of said TIR lens, the metal grid grounding electromagnetic radiation generated by said electrodeless plasma source. In another embodiment, the light fixture comprises blowing means sending an air stream into the cavity. A further embodiment also comprises at least one LED, which ELPS bulb and the LED are controlled by a control system, which control system performs dimmer control of at least the ELPS and the LED.
1. Light fixture comprising an electrodeless plasma source, said electrodeless plasma source comprises a resonator and a light bulb, said light bulb is operating inside a cavity of a TIR lens, wherein said TIR lens comprises an entrance surface, a TIR surface and an output surface, wherein said entrance surface comprises internal surfaces of said cavity and wherein said TIR lens comprises a metal grid covering at least a part of said TIR lens, said metal grid grounding electromagnetic radiation generated by said electrodeless plasma source.
2. Light fixture according to claim 1 characterized in that at least a part of said metal grid covers at least a part of said output surface of said TIR lens.
3. Light fixture according to claim 1 characterized in that at least a part of said metal grid covers at least a part of said TIR surface of said TIR lens.
4. Light fixture according to claim 1 characterized in that said light fixture further comprises blowing means sending an air stream into said cavity.
5. Light fixture according to claim 4 characterized in that said TIR lens comprises at least one air channel connecting said cavity and the outside of said TIR lens and in that said blowing means sends said air stream through said air channel.
6. Light fixture according to claim 5 characterized in that said air channel comprises at least one tube.
7. Light fixture according to claim 6 characterized in that said light fixture comprises a housing and in that at least a part of said air stream is being led outside said housing through at least one tube.
8. Light fixture comprising an electrodeless plasma source, said electrodeless plasma source comprises a resonator and a light bulb, said light bulb is operating inside a cavity of a TIR lens, where said TIR comprises an entrance surface, a TIR surface and an output surface, and wherein said entrance surface comprises the internal surfaces of said cavity and wherein said light fixture further comprises blowing means sending an air stream into said cavity.
9. Light fixture according to claim 8 characterized in that said TIR lens comprises at least one air channel connecting said cavity and the outside of said TIR lens and in that said blowing means sends said air stream through said air channel.
10. Light fixture according to claim 9 characterized in that said air channel comprises at least one tube.
11. Light fixture according to claim 10 characterized in that said light fixture comprises a housing and in that at least a part of said air stream is being led outside said housing through at least one tube.
12. Moving head light fixture, which moving head light fixture comprises a base, which base is connected to a yoke, which yoke rotates in relation to the base around a first rotational centre in the base, which yoke is connected to a head, which head rotates in relation to the yoke around a second rotational centre in arms of the yoke, characterized in that said head comprises a light fixture comprising an electrodeless plasma source, wherein said electrodeless plasma source comprises a resonator and a light bulb, said light bulb being located inside of a cavity of a TIR lens, wherein said TIR lens comprises an entrance surface, a TIR surface and an output surface, and wherein said entrance surface comprises internal surfaces of said cavity and wherein said TIR lens comprises a metal grid covering at least a part of said TIR lens, said metal grid grounding electromagnetic radiation generated by said electrodeless plasma source.
13. Light fixture comprising an electrodeless plasma source, said electrodeless plasma source comprises a resonator and a light bulb, said light bulb is operating inside a cavity of a TIR lens, wherein said TIR comprises an entrance surface, a TIR surface and an output surface, and where said entrance surface comprises the internal surfaces of said cavity and where light form said electrodeless plasma source enters the TIR lens through said entrance surface and where at least a part of said light is reflected by said surface and exits through said output surface and where at least a part of said light passes directly from the entrance surface to the output surface.