LED device with an active heat-dissipation device

Details LED device with an active heat-dissipation device LED device with an active heat-dissipation device

2007-11-27

2007-11-27

Payne, Sharon (Department: 2875)

Illumination

Housing

With cooling means

C362S294000, C362S345000

Reexamination Certificate

active

11255936

ABSTRACT:
A light-emitting diode (LED) device has a shade, an active heat-dissipation device and an LED module. The shade has a cavity. The active heat-dissipation device is mounted in the cavity in the shade and has a cooling board, an evaporator, a condenser, a compressor, an expansion valve and a refrigerant. The evaporator, condenser, compressor and expansion valve connect to each other to form a loop. The refrigerant is set in the loop. The LED module is mounted to the active heat-dissipation device and has at least one LED. The active heat-dissipation device dissipates the heat from the LED and even lowers the temperature of the LED under ambient temperature.

REFERENCES:
patent: 4350026 (1982-09-01), Klein
patent: 6527422 (2003-03-01), Hutchison
patent: 7210832 (2007-05-01), Huang

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