H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 33/08 (2006.01) H05B 37/02 (2006.01)
Patent
CA 2643182
The present invention provides a method and apparatus for adaptive control of a solid-state lighting system consisting of one or more groups of one or more light-emitting elements The invention comprises a voltage control device to provide each group with an independently controllable voltage A feedback system to detect and generate a signal representative of drive currents through the one or more groups A computing device then adaptively evaluates, based on the signal, a required voltage that achieves a desired respective drive current in each of the one or more groups.
La présente invention concerne un procédé et un appareil de commande adaptative d'un système d'éclairage à semi-conducteurs constitué d'un ou de plusieurs groupes d'un ou de plusieurs éléments électroluminescents. Cette invention comprend un dispositif de commande de tension qui fournit une tension commandable de manière indépendante, un système de rétroaction permettant de détecter et de générer un signal représentatif des courants d'attaque à travers le ou les groupes, un ordinateur évalue ensuite de manière adaptative, à partir de ce signal, une tension requise qui permet d'obtenir un courant d'attaque respectif souhaité dans chacun des groupes.
Bjeljac Bojana
Jungwirth Paul
Mohammadi Shahriar
Toma Ion
Koninklijke Philips Electronics N.v.
Mbm Intellectual Property Law Llp
Tir Technology Lp
LandOfFree
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