发明申请
US20080157686A1 LED lighting string employing rectified and filtered device 失效
LED灯串采用整流滤波器

LED lighting string employing rectified and filtered device
摘要:
An improved LED lighting string employs a rectified and filtered device functioned as a low pass filter device to rectify input AC source into DC source providing to the LED lighting string for improving LED's flickering issue and to upgrade the optical power factor and efficiency, and luminous intensity in LED lighting string.
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