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    • 10. 发明申请
    • LED LIGHTING DEVICE
    • LED照明设备
    • WO2007069103A1
    • 2007-06-21
    • PCT/IB2006/054234
    • 2006-11-14
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.SNIJDER, Pieter, J.
    • SNIJDER, Pieter, J.
    • H05B33/08
    • H05B33/0848H05B33/0818
    • This invention relates to a LED lighting device having a plurality of LEDs, and a LED drive system. The LED drive system includes basic light circuitry for generating, for each LED, a basic current causing continuous basic light output of the LED. Additionally, the LED drive system includes flash light circuitry, for generating, for each LED, a momentary flash current through the LED, which causes a momentary flash light output. An average current amplitude of the flash current is higher than an average current amplitude of said basic current. Thereby flashes, or twinkles, will be observed by a person watching the LED lighting device.
    • 本发明涉及具有多个LED的LED照明装置和LED驱动系统。 LED驱动系统包括用于为每个LED产生引起LED的连续基本光输出的基本电流的基本光电路。 此外,LED驱动系统包括闪光灯电路,用于为每个LED产生通过LED的瞬时闪光电流,这导致瞬时闪光灯输出。 闪光电流的平均电流幅度高于所述基本电流的平均电流幅度。 因此,观看LED照明装置的人将观察到闪烁或闪烁。