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    • 6. 发明申请
    • LOW FLICKER ALTERNATING CURRENT (AC) LED DRIVER
    • 低闪烁替代电流(AC)LED驱动器
    • US20160088704A1
    • 2016-03-24
    • US14861981
    • 2015-09-22
    • LuxTech, LLC
    • Ronald J. LenkJianchuan Tan
    • H05B33/08
    • H05B33/0809H05B33/0824
    • In some embodiments, an apparatus comprising a rectifier that is configured to rectify an Alternating Current (AC) from an AC line to produce a rectified line voltage, at least one resistor operatively coupled to the rectifier, and at least one capacitor operatively coupled to the at least one resistor and ground is disclosed. In some instances, the at least one resistor and the at least one capacitor form a low-pass filter configured to reduce a ripple voltage of the rectified line voltage of the rectifier. In some instances, the at least one resistor and the at least one capacitor are configured to provide a minimum voltage on the at least one capacitor that is high enough to maintain at least one LED conducting current at a minimum level and maintain the at least one LED operational for substantially all of a line cycle of the AC line when the at least one LED is operatively coupled to the at least one capacitor.
    • 在一些实施例中,一种包括整流器的装置,其被配置为从AC线路整流交流电流(AC)以产生整流的线路电压,至少一个电阻器可操作地耦合到整流器,以及至少一个电容器,其可操作地耦合到 公开了至少一个电阻器和接地。 在一些情况下,至少一个电阻器和至少一个电容器形成低通滤波器,其被配置为减小整流器的整流线路电压的纹波电压。 在一些情况下,所述至少一个电阻器和所述至少一个电容器被配置为在所述至少一个电容器上提供足够高的至少一个LED导通电流至少保持至少一个的最小电压 当所述至少一个LED可操作地耦合到所述至少一个电容器时,所述LED基本上对所述AC线的一个线路周期进行操作。