| 发明名称 | Method and apparatus for driving light emitting diode | ||
| 摘要 | An LED driving method is provided. The method includes the steps of: receiving a brightness control signal, wherein the brightness control signal represents a duty cycle of an LED within a pulse width modulation cycle, and the duty cycle is indicated by a plurality of illuminating clocks; dividing the PWM cycle into a plurality of sub-PWM cycles; and equally distributing the illuminating clocks to each of the sub-PWM cycles. | ||
| 申请公布号 | US9144124(B2) | 申请公布日期 | 2015.09.22 |
| 申请号 | US201313899072 | 申请日期 | 2013.05.21 |
| 申请人 | Princeton Technology Corporation | 发明人 | Tsao Ming-Yuan;Chen Ko-Han |
| 分类号 | H05B37/02;H05B33/08 | 主分类号 | H05B37/02 |
| 代理机构 | Muncy, Geissler, Olds & Lowe, P.C. | 代理人 | Muncy, Geissler, Olds & Lowe, P.C. |
| 主权项 | 1. An LED driving apparatus, comprising: a signal receiving unit, for receiving a brightness control signal, wherein the brightness control signal represents a duty cycle of an LED within a pulse width modulation cycle, and the duty cycle is indicated by a plurality of illuminating clocks; a PWM cycle dividing unit, for dividing the PWM cycle into a plurality of sub-PWM cycles; and a clock distributing unit, coupled to the signal receiving unit and the PWM cycle dividing unit, for equally distributing the illuminating clocks to each of the sub-PWM cycles. | ||
| 地址 | New Taipei TW | ||