Electric lamp and discharge devices – With temperature modifier – Having heat conducting path
Reexamination Certificate
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.
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