Light modulator for optical image projection
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United States of America Patent
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Mar 17, 2015
Grant Date -
May 23, 2013
app pub date -
Jan 22, 2013
filing date -
Jan 22, 2008
priority date (Note) -
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Abstract
A spatial light modulator comprising an array-type liquid crystal panel, a polarization beam splitter, an oblique wave plate and a converging lens. The polarization beam splitter is orientated to direct a source light towards a reflective planar surface of the array-type liquid crystal panel. The oblique wave plate and converging lens are located between the polarization beam splitter and the array-type liquid crystal panel. The converging lens is configured to direct light from the reflective planar surface onto a facing surface of the polarization beam splitter.
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