LIQUID CRYSTAL DEVICE, ELECTRONIC APPARATUS, AND PROJECTION TYPE DISPLAY APPARATUS
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United States of America Patent
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Issued Date -
Apr 25, 2013
app pub date -
Oct 16, 2012
filing date -
Oct 19, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
When tilt directions of liquid crystal molecules have an azimuth of 45° or 135° in a counterclockwise direction with respect to the direction in which a wire grid of a wire grid polarization beam splitter extends, a phase difference compensation element in which an optical axis includes refractive index anisotropy of negative uniaxial properties along the thickness direction is inclined in the same direction as the tilt directions, and the phase difference compensation element is inclined in the direction reverse to the tilt directions when tilt directions have an azimuth of 225° or 315°.
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