Stereoscopic image displaying method and stereoscopic image apparatus
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United States of America Patent
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Jun 12, 2001
Issued Date -
N/A
app pub date -
Sep 1, 1998
filing date -
Mar 26, 1998
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Expired
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Abstract
The present invention relates to a stereoscopic image displaying method and stereoscopic image displaying apparatus for interchangeably displaying a stereoscopic image and a two-dimensional image or for displaying a mixed stereoscopic image and two-dimensional image. In accordance with the present invention, light from a surface illuminant is passed through a mask substrate in which a mask pattern comprised of a plurality of apertures is formed. The light then is guided through a cylindrical lens array and a light directivity control element of polymer distributed liquid crystal having a stripe pattern, and thereafter the light irradiates a transmissive display device for displaying a stripe image having a parallax, or a two-dimensional, image. Control region stripes of the light directivity control element are brought into a non-scattering state when the stripe image is displayed on the display device. Control region stripes of the light directivity control element are brought into a scattering state when the two-dimensional image is displayed on the display device.
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