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    • 7. 发明授权
    • Apparatus for driving light emitting diode (LED) and illumination system including the same
    • 用于驱动发光二极管(LED)的装置和包括其的照明系统
    • US09253837B1
    • 2016-02-02
    • US14707411
    • 2015-05-08
    • Seung Hun Hong
    • Seung Hun Hong
    • H05B33/08
    • H05B33/083
    • An LED driving apparatus controls a light emitting unit including first to k-th LED arrays, a rectifier for rectifying an AC signal, and first to (k−1)-th driving units respectively corresponding to the first to (k−1)-th LED arrays. Each driving unit includes an input terminal connected to a first terminal of the LED array, a sensing terminal connected to a second terminal of the LED array, an output terminal connected to a next driving unit, a transistor between the input terminal and the sensing terminal, and a sensing resistor between the sensing terminal and the output terminal. The rectified signal or voltage is applied to the first driving unit.
    • LED驱动装置控制包括第一至第K LED阵列的发光单元,用于整流AC信号的整流器,以及分别对应于第一至第(k-1)个LED阵列的第一至第(k-1)个驱动单元, LED阵列。 每个驱动单元包括连接到LED阵列的第一端子的输入端子,连接到LED阵列的第二端子的感测端子,连接到下一驱动单元的输出端子,输入端子和感测端子之间的晶体管 ,以及感测端子和输出端子之间的感测电阻。 整流的信号或电压被施加到第一驱动单元。