Stereoscopic imaging apparatus incorporating a parallax barrier
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United States of America Patent
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Jan 24, 2012
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app pub date -
Dec 15, 2006
filing date -
Dec 15, 2005
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Abstract
An apparatus is disclosed for providing a stereoscopic image for viewing by a viewer, with improved resolution. The apparatus includes a generally planar display comprising a two-dimensional array of uniformly spaced pixels, and it further includes a generally planar parallax barrier having an area substantially coextensive with the display and spaced a prescribed uniform distance from the display. The pixel array includes a first set of sub-pixels controllable to project light in a first spectral color, a second set of sub-pixels controllable to project light in a second spectral color, and a third set of sub-pixels controllable to project light in a third spectral color, and the parallax barrier includes a repeating pattern of vertically oriented regions configured to transmit light to the viewer's first eye along light paths defined from only the first set of sub-pixels and to transmit light to the viewer's second eye along light paths defined from only the second and third sets of sub-pixels.
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