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    • 30. 发明申请
    • Video Image display apparatus and timing control method
    • 视频图像显示装置和定时控制方法
    • US20090141188A1
    • 2009-06-04
    • US12315464
    • 2008-12-03
    • Akira ShiraiTaro EndoNaoya SugimotoFusao Ishii
    • Akira ShiraiTaro EndoNaoya SugimotoFusao Ishii
    • H04N9/12
    • H04N9/3164H04N9/3105H04N9/3114H04N9/312H04N9/3155
    • A video image display apparatus for displaying a video image in accordance with a video image signal including: a light source for emitting an illumination light to a color wheel driven by a color wheel driving unit to rotate the color wheel for filtering and transmitting lights of different colors therefrom; a spatial light modulator (SLM) for receiving the lights of different colors projected from the color wheel; a master clock signal generation unit for generating a master clock signal constituting a reference for transferring data to the SLM; a frame start signal generation unit for generating, from the master clock signal, a frame start signal indicating the start of a frame; a wheel position detection unit for detecting an angular position of the wheel; a phase comparison unit for comparing a phase of the frame start signal with a wheel index signal generated from the wheel position detection unit indicating a position of the color wheel; and a motor control unit for receiving a phase comparison signal from the phase comparison unit for controlling a rotation speed of a motor for driving the color wheel to rotate at a controlled rotation speed.
    • 一种用于根据视频图像信号显示视频图像的视频图像显示装置,包括:光源,用于将照明光发射到由色轮驱动单元驱动的色轮,以旋转色轮以过滤和发射不同的光 颜色来自 空间光调制器(SLM),用于接收从色轮投影的不同颜色的光; 主时钟信号产生单元,用于产生构成用于将数据传送到SLM的基准的主时钟信号; 帧起始信号生成单元,用于从主时钟信号产生指示帧开始的帧起始信号; 轮位置检测单元,用于检测车轮的角位置; 相位比较单元,用于比较帧起始信号的相位与从车轮位置检测单元产生的指示色轮位置的车轮指标信号; 以及电动机控制单元,用于从所述相位比较单元接收相位比较信号,用于控制用于驱动所述色轮的电机的转速以受控的转速旋转。