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DC LED AGRICULTURAL LIGHTING ASSEMBLY
专利权人:
INC.;ONCE INNOVATIONS
发明人:
Zdenko Grajcar
申请号:
US15108705
公开号:
US20160323960A1
申请日:
2015.01.06
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A light emitting diode lighting assembly that receives an electrical excitation signal that is varied from a dimming device. Driving circuitry receives the varying input and has first and second paths that each have a plurality of light emitting diodes. Each plurality of light emitting diodes has a threshold voltage with the threshold voltage of the first plurality of diodes being less than the threshold voltage of the second plurality of lighting emitting diodes. The current within the first path is controlled by a current limiting device that is controlled by a resistor that receives input from the second path to gradually turn off the first plurality of light emitting diodes as the second plurality of lighting emitting diodes increase in intensity.
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中国工程科技知识中心
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