Liquid crystal display including filter means with 10-70% transmittance in the selective reflection wavelength range
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United States of America Patent
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Jul 22, 2003
Grant Date -
N/A
app pub date -
Jun 28, 2000
filing date -
Jul 2, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is a reflective type multilayer liquid crystal display having a blue liquid crystal light control layer, a green liquid crystal light control layer, and a red liquid crystal light control layer stacked in this order from a viewing side. The half width of a reflection spectrum of any of the liquid crystal light control layers is larger than that of the adjoining liquid crystal light control layer on the viewing side. Further, the maximum reflectance of the reflection spectrum of any of the liquid crystal light control layers is higher than that of the adjoining liquid crystal light control layer on the viewing side. In one embodiment, the chromaticity coordinate position, in the XYZ colorimetric system, of a color displayed when all the liquid crystal light control layers are in a state of reflecting at the maximum reflectance is present in a range within a distance of 0.02 from the chromaticity coordinate position of the standard white point.
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