Alternating current light emitting device
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United States of America Patent
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Sep 20, 2016
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N/A
app pub date -
Sep 28, 2015
filing date -
Sep 28, 2015
priority date (Note) -
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Abstract
Disclosed is an AC light emitting device. The AC light emitting device is electrically connected to an AC power, and the AC power is rectified by a rectification module and inputs an input voltage. The AC light emitting device comprises a buck module, a switching unit, a control module and an AC lighting emitting module. The buck module is electrically connected to the rectification module. The switching unit is electrically connected to the rectification module and the buck module. The control module is electrically connected to the switching unit and the buck module. The AC lighting emitting module is electrically connected to the switching unit. The control module outputs a pulse waveform signal to the switching unit according to the input voltage and a dimming signal, and the switching unit turns on or off the AC lighting emitting module according to the pulse waveform signal.
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