| 发明名称 | Light emitting diode driving apparatus | ||
| 摘要 | There is provided a light emitting diode (LED) driving apparatus configured such that a waveform of current input to an LED follows a sine wave, the LED driving apparatus including, a switching unit switching an LED unit having a plurality of LEDs receiving rectified power and emitting light, a driving control unit controlling the switching of the switching unit according to a voltage level of the rectified power, a current limiting unit limiting current flowing in the LED unit, and an adjusting unit adjusting current limitation of the current limiting unit according to the voltage level of the rectified power. | ||
| 申请公布号 | US8981649(B2) | 申请公布日期 | 2015.03.17 |
| 申请号 | US201313842244 | 申请日期 | 2013.03.15 |
| 申请人 | Samsung Electro-Mechanics Co., Ltd. | 发明人 | Lee Yun Joong;Hwang Jong Tae;Park Chan Woo;Yu Je Hyeon;Lee Chang Seok |
| 分类号 | H05B33/08 | 主分类号 | H05B33/08 |
| 代理机构 | McDermott Will & Emery LLP | 代理人 | McDermott Will & Emery LLP |
| 主权项 | 1. A light emitting diode (LED) driving apparatus, comprising: a switching unit switching an LED unit having a plurality of LEDs receiving rectified power and emitting light; a driving control unit controlling the switching of the switching unit according to a voltage level of the rectified power; a current limiting unit limiting current flowing in the LED unit; and an adjusting unit adjusting current limitation of the current limiting unit according to the voltage level of the rectified power. | ||
| 地址 | Suwon, Gyunggi-Do KR | ||