Method for Operating a Light-Emitting Device and Arrangement
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United States of America Patent
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Issued Date -
Aug 14, 2014
app pub date -
Sep 19, 2012
filing date -
Sep 23, 2011
priority date (Note) -
Abandoned
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Abstract
An arrangement and method is provided for operating a light-emitting device, wherein, a pulsed current is generated with a pulse frequency by a driver circuit, which has a clock pulse generator providing clock pulse signals for current pulsing, and a light-emitting device, which functionally couples to the driver circuit and which is formed with one or a plurality of organic light-emitting diodes, is loaded with the pulsed current with a pulse frequency of approximately 10 kHz to approximately 100 kHz, wherein: T_PWM<(T_rise+T_fall) and wherein T_PWM indicates the pulse length for the clock pulse signals generated by the clock pulse generator of the driver circuit and T_rise and also T_fall indicate the pulse rise time and the pulse fall time for the current pulses present at the one or the plurality of organic light-emitting diodes.
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