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    • 5. 发明申请
    • DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME
    • 显示装置及其驱动方法
    • US20110069095A1
    • 2011-03-24
    • US12840382
    • 2010-07-21
    • Hyuk-Hwan KIMSeki PARKByoung Dae YEDongmin YEOSang-Chul BYUN
    • Hyuk-Hwan KIMSeki PARKByoung Dae YEDongmin YEOSang-Chul BYUN
    • G09G5/10G09G3/36
    • G09G3/342G09G2320/0247G09G2320/064G09G2330/06G09G2360/16
    • A backlight driving circuit for a display apparatus includes a receiver, a signal modulation detector and a driver. The receiver receives a clock signal and a brightness data signal by a serial transmission and in response to an enable signal. The brightness data signal is synchronized with the clock signal and includes brightness information. The signal modulation detector detects a modulation of the brightness data signal, based on at least one of the clock signal and the enable signal, and outputs a control signal based on a detected result thereof. The driver receives the brightness data signal, in synchronization with the clock signal, selects one of the brightness data signal and a predetermined reference brightness data signal in response to the control signal, generates a driving voltage using the selected brightness data signal, and provides the driving voltage to the backlight unit to control the brightness of the backlight unit.
    • 用于显示装置的背光驱动电路包括接收器,信号调制检测器和驱动器。 接收机通过串行传输和响应于使能信号接收时钟信号和亮度数据信号。 亮度数据信号与时钟信号同步并包括亮度信息。 信号调制检测器基于时钟信号和使能信号中的至少一个来检测亮度数据信号的调制,并根据其检测结果输出控制信号。 驱动器接收与时钟信号同步的亮度数据信号,响应于控制信号选择亮度数据信号和预定参考亮度数据信号中的一个,使用所选择的亮度数据信号产生驱动电压,并提供 驱动背光单元的电压来控制背光单元的亮度。