发明名称 DRIVING CIRCUIT AND DRIVING METHOD FOR LIGHT EMITTING DIODE AND DISPLAY APPARATUS USING THE SAME
摘要 The present invention provides a driving circuit and a driving method for light-emitting diodes (LEDs), and a display apparatus using the same. The driving circuit comprises a power switch and a dimmer circuit. The method comprising: detecting a duty of a pulse width modulation (PWM) dimming signal; and when the duty of the PWM dimming signal is less than the predetermined duty, providing an analog dimming signal to the driving circuit. The present invention can be applicable to a display apparatus, and improve a noise problem when a duty of a conventional dimming is too low.
申请公布号 US2013147381(A1) 申请公布日期 2013.06.13
申请号 US201113381044 申请日期 2011.12.13
申请人 YANG XIANG;SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD. 发明人 YANG XIANG
分类号 H05B37/02 主分类号 H05B37/02
代理机构 代理人
主权项
地址