Improved led module

Details Improved led module Improved led module

F - Mech Eng,Light,Heat,Weapons

21

L

F21L 4/00 (2006.01)

Patent

CA 2622832

An improved LED module that is thermally self-stabilizing, and that is able to be retrofitted into an existing flashlight is provided. In one embodiment, the LED module includes a light emitting diode, an amplifying circuit and a microchip. The amplifying circuit includes a temperature sensing device to sense heat from the light emitting diode. The output of the amplyifying circuit is input to the microchip which output to a switching device that regulates energy that is delivered to the light emitting diode. The switching device may be part of a boosting circuit, a bucking circuit or an inverting circuit.

L'invention concerne un module LED perfectionné à autostabilisation thermique pouvant être monté dans une lampe électrique existante. Dans un mode de réalisation, le module LED comprend une diode électroluminescente, un circuit d'amplification et une micropuce. Le circuit d'amplification comprend un dispositif de détection de température pour détecter de la chaleur provenant de la diode électroluminescente. La sortie du circuit d'amplification est injectée dans la micropuce qui injecte sa sortie dans un dispositif de commutation qui régule l'énergie distribuée à la diode électroluminescente. Le dispositif de commutation peut constituer une partie d'un circuit survolteur, d'un circuit dévolteur ou d'un circuit inverseur.

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