Lamp assembly with LED light sources including threaded heat...

Details Lamp assembly with LED light sources including threaded heat... Lamp assembly with LED light sources including threaded heat...

2007-10-16

2007-10-16

Roy, Sikha (Department: 2879)

Electric lamp and discharge devices

With temperature modifier

Having heat conducting path

C313S512000, C362S294000, C362S800000, C362S545000, C362S546000

Reexamination Certificate

active

10978089

ABSTRACT:
An LED light source applied to surveillance cameras as an infrared source or a visible-light source has a light emitting diode (LED) as the light emitting mechanism. The LED chip is mounted on a surface of a metallic body of high thermal conductivity, the surface being planar for scattering light or convex for collimating light. The heat produced in the LED chip is quickly guided to a heat-sink structure much massive than the chip and having large contact area with a heat radiating structure, thereby effectively dissipating the heat and increasing the power capacity of the chip. The heat-sink structure has a plurality of elongated heat conducting members confined by an insulating bracket at one end and mounted on a metallic base on the other end. The metallic base can be coupled with a heat radiator to enhance heat radiation.

REFERENCES:
patent: 3581162 (1971-05-01), Wheatley
patent: 6827468 (2004-12-01), Galli
patent: 6917638 (2005-07-01), Suzuki et al.
patent: 6948829 (2005-09-01), Verdes et al.
patent: 7008095 (2006-03-01), Coushaine et al.
patent: 2003/0063476 (2003-04-01), English et al.
patent: 2005/0067931 (2005-03-01), Coushaine et al.

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