Led control utilizing dynamic resistance of leds

Details Led control utilizing dynamic resistance of leds Led control utilizing dynamic resistance of leds

H - Electricity

05

B

H05B 33/00 (2006.01) F21V 8/00 (2006.01) F21V 23/00 (2006.01) F21V 29/00 (2006.01) H05B 37/02 (2006.01)

Patent

CA 2575546

The present invention is directed to an LED light fixture. The LED light fixture comprises an interface for connecting the fixture to a source of electrical power, a power control section for supplying and controlling power to an LED array producing a light of a suitable intensity and color for the task for which the fixture is to be used and a light diffuser for diffusing the light from the LED array. The present invention is also directed to a novel power control for supplying and controlling power to an LED array comprising a non switching linear design based on a monolithic approach of power control whereby the load (the LED array) becomes part of the power control system.

L'invention concerne un luminaire à diodes électroluminescentes (DEL). Le luminaire à DEL de l'invention comprend une interface qui relie le luminaire à une source d'énergie électrique, une section de régulation de puissance qui alimente un réseau de DEL et en règle la puissance, produisant une lumière d'une intensité et d'une couleur appropriées à la tâche à laquelle le luminaire est destiné, et un diffuseur de lumière qui diffuse la lumière en provenance du réseau de DEL. L'invention se rapporte également à un nouveau dispositif de régulation de puissance qui alimente un réseau de DEL et en règle la puissance, qui comprend un modèle linéaire non commuté basé sur une approche monolithique de la régulation de puissance, la charge (le réseau de DEL) devenant partie intégrante du système de régulation de puissance.

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