发明名称 |
Video image display apparatus and timing control method |
摘要 |
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.
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申请公布号 |
US7954960(B2) |
申请公布日期 |
2011.06.07 |
申请号 |
US20080315464 |
申请日期 |
2008.12.03 |
申请人 |
SILICON QUEST KABUSHIKI-KAISHA;OLYMPUS CORPORATION |
发明人 |
SHIRAI AKIRA;ENDO TARO;SUGIMOTO NAOYA;ISHII FUSAO |
分类号 |
G03B21/14;H04N9/12 |
主分类号 |
G03B21/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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