公开(公告)号：EP3886536A2

公开(公告)日：2021-09-29

申请号：EP21165268.0

申请日：2021-03-26

申请人： LEEDARSON LIGHTING CO., LTD.

发明人： LIU, Wei ,  LIN, Qiqiang ,  CHEN, Yibin ,  CHEN, Fujie

IPC分类号： H05B45/31 ,  H05B45/345

摘要： The lighting apparatus includes a LED module, a constant current source, a bridge rectifier, a silicon-controlled rectifier, a wireless module and a detector. The lighting apparatus receives an alternating current power to generate a light. The constant current source provides a driving current to the LED module. The bridge rectifier converts the alternating current power of a first frequency to a direct current power with a second frequency. The second frequency is two times of the first frequency. The silicon-controlled rectifier is connected to the alternating current power and the bridge rectifier for adjusting the direct current power with a chopping signal. The wireless module receives an external control signal. The detector generates a dimming control signal supplied to the constant current source to adjust the driving current according to both the external control signal and the chopping signal.

公开(公告)号：EP3886536A3

公开(公告)日：2021-10-06

申请号：EP21165268.0

申请日：2021-03-26

申请人： LEEDARSON LIGHTING CO., LTD.

发明人： LIU, Wei ,  LIN, Qiqiang ,  CHEN, Yibin ,  CHEN, Fujie

IPC分类号： H05B45/31 ,  H05B45/345

摘要： The lighting apparatus includes a LED module, a constant current source, a bridge rectifier, a silicon-controlled rectifier, a wireless module and a detector. The lighting apparatus receives an alternating current power to generate a light. The constant current source provides a driving current to the LED module. The bridge rectifier converts the alternating current power of a first frequency to a direct current power with a second frequency. The second frequency is two times of the first frequency. The silicon-controlled rectifier is connected to the alternating current power and the bridge rectifier for adjusting the direct current power with a chopping signal. The wireless module receives an external control signal. The detector generates a dimming control signal supplied to the constant current source to adjust the driving current according to both the external control signal and the chopping signal.

公开(公告)号：EP4037438A1

公开(公告)日：2022-08-03

申请号：EP22154040.4

申请日：2022-01-28

申请人： Leedarson Lighting Co., Ltd.

发明人： ZHENG, Yisheng ,  LIN, Qiqiang ,  YE, Hemu ,  CHEN, Yibin ,  LIU, Zongyuan ,  LI, Yankun

IPC分类号： H05B45/20 ,  H05B45/10

摘要： A lighting apparatus includes a light source, a silicon controlled rectifier, a rectifier and a current source circuit. The light source has multiple LED modules with different light parameters. The silicon controlled rectifier filters a filtering ratio of an input AC power to a filtered AC power. The filtering ratio is associated with a control angle by supplying a control voltage to the silicon controlled rectifier. The maintainer circuit maintains a working current to the silicon controlled rectifier even when the control angle is large causing the volume of the filtered AC power less than a threshold. The current source circuit receives the DC power. The current source circuit has a wall switch input for connecting to a wall switch. An on-off input pattern of the wall switch is detected by the current source circuit for generating multiple corresponding driving currents.