Dimming module, solid state lighting device, and dimming method
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United States of America Patent
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Jan 9, 2018
Issued Date -
N/A
app pub date -
Nov 25, 2016
filing date -
Jan 21, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A dimming module and a solid state lighting device are shown. The dimming module includes a rectifying circuit, a phase control circuit, a processing circuit and a first driving circuit. The rectifying circuit is configured to convert an input AC voltage to a rectified voltage signal. The phase control circuit is configured to receive the rectified voltage signal and a dimming command, and output a control voltage signal correspondingly in which the phase control circuit controls a phase delay angle of the control voltage signal according to the dimming command. The processing circuit is configured to receive the control voltage signal and adjust a first driving voltage signal according to the phase delay angle. The first driving circuit is configured to receive the first driving voltage signal to drive a first lighting module.
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