Controlling an arrangement of semiconductors emitting light...

Details Controlling an arrangement of semiconductors emitting light... Controlling an arrangement of semiconductors emitting light...

2011-01-11

2011-01-11

Owens, Douglas W (Department: 2821)

Electric lamp and discharge devices: systems

With radiant energy sensitive control means

C315S152000, C315S307000, C315S360000

Reexamination Certificate

active

07868557

ABSTRACT:
Controlling an arrangement of semiconductors of which different semiconductors emit light of different distinct colors is disclosed, whereby a feed forward control part, which is dependent on a junction temperature of semiconductors for each color, is operated with first intervals and is adjusted dependent on measure light output for each color with much longer second intervals.

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