OPERATING AN LED MATRIX WHERE POWER SUPPLY VOLTAGE IS LESS THAN TOTAL FORWARD VOLTAGE OF LEDS

A lighting unit includes a power supply that provides a maximum voltage and multiple LED lighting circuits. Each of the LED lighting circuits includes an LED string, multiple switches, a switching sequencer and a switch controller. The LED string includes multiple series-connected emitters having a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KARBOWSKI, Udo, KALKSCHMIDT, Christian
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
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