Osram Gmbh

ZhiJian Cao

XiHe Zhuang

Xuewei Dai

Zeke Wei

Ningbo Kang

Various embodiments may relate to a drive circuit for an illuminating device and an illuminating device including the drive circuit. The drive circuit includes a main control unit, configured to control power supply to a light-emitting unit, an output unit, connected with the main control unit and comprising a first output terminal and a second output terminal which supply power to the light-emitting unit, and a detecting unit, connected with the output unit for detecting a hot-plug state to obtain a detecting state, wherein the main control unit controls the power supply to the light-emitting unit according to the detecting state.

Drive circuit for illuminating device and illuminating device having the drive circuit

An illumination control system includes a rectifying device, a damping device for inhibiting flickering, and a load circuit, wherein the illumination control system further comprises a recognizing control circuit connected between the rectifying device and the damping device, and wherein the recognizing control circuit includes a recognizing signal output module and a switch module, the recognizing signal output module generates a first control signal indicating that a dimmer is not connected upstream the rectifying device or the dimmer is connected upstream the rectifying device and reaches a predetermined dimming level and a second control signal indicating that the dimmer is connected upstream the rectifying device and does not reach the predetermined dimming level and at least one damping resistor of the damping device is short connected or is connected by means of the switch module according to the first control signal or the second control signal.

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Shenzhen, China

ZhiJian Cao