Multi-primary display with spectrally adapted back-illumination
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United States of America Patent
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Aug 30, 2016
Grant Date -
Aug 26, 2010
app pub date -
May 6, 2010
filing date -
Jun 11, 2001
priority date (Note) -
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Abstract
Some embodiments of the invention provide a device, system and method for displaying a color image. According to some exemplary embodiments of the invention a device for displaying a color image may include an illumination source including a plurality of light-producing elements able to produce light of each of m different wavelength spectra, wherein m is equal to or greater than three. The device may also include an array of attenuating elements able to spatially selectively attenuate the light produced by the illumination source according to an attenuation pattern corresponding to a gray-level representation of the color image, and an array of color sub-pixel filter elements able to receive selectively attenuated light from the array of attenuating elements, each sub-pixel filter element able to transmit light of one of n different primary colors, wherein n is equal to or greater than four.
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