Multi-chip package led lighting device

Details Multi-chip package led lighting device Multi-chip package led lighting device

F - Mech Eng,Light,Heat,Weapons

21

V

F21V 9/10 (2006.01) F21K 99/00 (2010.01) F21V 29/00 (2006.01) H05B 37/00 (2006.01) F21S 8/00 (2006.01)

Patent

CA 2710237

A lighting device for providing mixtures of color temperature and intensity of light. The device comprises a case that contains: a multi-chip of light emitting diode (LED) to output mixtures of color temperature and intensity of light, having a plurality of blocks of LEDs each having a predetermined color temperature, the multi-chip LED being mounted on a printed circuit board (PCB); a cooling system attached on the back of the metal PCB, the cooling system using a fluid coolant for radiating heat generated by the multi-chip LED; and a control system electrically connected with the PCB of each block and the cooling system, the control system is adapted to supply power to the multi-chip LED, select the blocks of LEDs to be adjusted, adjust the color temperature and intensity of light of the selected block of LEDs to obtain mixtures of color temperatures and intensity of light.

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