发明授权
US09462645B1 LED driver circuit with stepwise adjustable power and LED lighting tube
有权
LED驱动电路具有逐步调节功率和LED照明灯管
- 专利标题： LED driver circuit with stepwise adjustable power and LED lighting tube
- 专利标题（中）： LED驱动电路具有逐步调节功率和LED照明灯管
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申请号： US14828534申请日： 2015-08-18
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公开(公告)号： US09462645B1公开(公告)日： 2016-10-04
- 发明人: Haibin Cai , Wenhong Ling
- 申请人： Haibin Cai , Wenhong Ling
- 代理机构： Global IP Services, PLLC
- 代理商 Prakash Nama
- 主分类号： H05B37/02
- IPC分类号： H05B37/02 ; H05B33/08
摘要：
An LED driver circuit with stepwise adjustable power and an LED lighting tube. The LED driver circuit comprises a constant current IC chip U1, a power supply unit connecting to the constant current IC chip U1, a switch control unit and a driving unit. The driving unit connects to the switch control unit. The LED driver circuit also comprises a power regulation unit. The power regulation unit connects to the constant current IC chip U1, the switch control unit and the driving unit. The present invention uses 12 W, 15 W, 18 W (or) more stepwise adjustable power. It is applicable to LED lighting tubes, ceiling lights, panel lights and all types of LED stepwise adjustable power.
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