| 发明名称 | LED driving device and lighting device | ||
| 摘要 | An LED driving device includes a first converter configured to generate a first voltage, a second converter configured to generate a second voltage for driving a plurality of light emitting diodes (LEDs) from the first voltage, and a control circuit connected to an output terminal of the first converter and configured to control a level of the first voltage. The control circuit includes a cut-off circuit including a comparison circuit having hysteresis characteristics and a bleeder circuit. | ||
| 申请公布号 | US9247612(B2) | 申请公布日期 | 2016.01.26 |
| 申请号 | US201414297282 | 申请日期 | 2014.06.05 |
| 申请人 | SAMSUNG ELECTRONICS CO., LTD. | 发明人 | Koo Nam Su |
| 分类号 | H05B33/08;H05B37/02 | 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. An LED driving device, comprising: a first converter configured to generate a first voltage; a second converter configured to generate a second voltage for driving a plurality of light emitting diodes (LEDs) from the first voltage; and a control circuit connected to an output terminal of the first converter and configured to control a level of the first voltage, wherein the control circuit comprises a cut-off circuit including a comparison circuit having hysteresis characteristics and a bleeder circuit. | ||
| 地址 | Suwon-Si, Gyeonggi-Do KR | ||