Color separating/combining system and image display apparatus using the same
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United States of America Patent
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Jun 20, 2017
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N/A
app pub date -
Apr 28, 2015
filing date -
Apr 30, 2014
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Abstract
A color separating and/or combining system configured to guide blue (or first) light in a light beam from a light source to a blue-light (or first-light) liquid crystal panel and to guide red (or second) light to a red-light (or second-light) liquid crystal panel includes a PBS configured to guide one of the blue (or first) light and the red (or second) light in a direction different from a direction of the other color light, a quarter-wave plate, and a color separation element configured to guide the blue (or first) light to the blue-light (or first-light) liquid crystal panel and to suppress the red (or second) light from being guided to the blue-light (first-light) liquid crystal panel. The quarter-wave plate and the color separation element are provided between the blue-light (first-light) liquid crystal panel and the PBS. The color separation element is provided between the PBS and the quarter-wave plate.
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