Image displaying apparatus
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United States of America Patent
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Apr 3, 2007
Grant Date -
May 5, 2005
app pub date -
Oct 22, 2004
filing date -
Oct 31, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
An image displaying apparatus employs quartz wave plates and displays images of high contrast. The quartz wave plates in the image displaying apparatus are each arranged between a polarizing beam splitter of a color separating-combining unit and a reflective spatial light modulator. Each of the quartz wave plates is made of two elementary quartz plates. An angle formed between slow axes of the two elemental quartz plates is within a range of 5 minutes to 15 minutes from a right angle.
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