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    • 1. 发明申请
    • LED LIGHTING DEVICE
    • LED照明设备
    • US20150156837A1
    • 2015-06-04
    • US14405246
    • 2013-06-03
    • LUMENS CO., LTD.
    • Myeong Kook GongHee Jin Jung
    • H05B33/08
    • H05B33/0815H05B33/0845H05B33/0884Y02B20/348
    • Provided is a circuit for preventing an operating current of a TRIAC dimmer from being dropped below a holding current value. In this regard, a light emitting diode (LED) lighting device includes a TRIAC dimmer for controlling intensity of light emitted from an LED, a load connected between an output terminal of the TRIAC dimmer and a bridge rectifier to stabilize operation of the TRIAC dimmer even in low dimming level periods of the TRIAC dimmer, the bridge rectifier connected with the load to supply an operating current to the LED; and the LED for receiving the operating current from the bridge rectifier.
    • 提供了一种用于防止TRIAC调光器的工作电流低于保持电流值的电路。 在这方面,发光二极管(LED)照明装置包括用于控制从LED发射的光的强度的TRIAC调光器,连接在TRIAC调光器的输出端子和桥式整流器之间的负载,以稳定TRIAC调光器的操作,甚至 在TRIAC调光器的低调光电平周期内,桥式整流器与负载相连以向LED提供工作电流; 以及用于从桥式整流器接收工作电流的LED。