Light modulation element and information recording medium
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United States of America Patent
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Jul 18, 2023
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N/A
app pub date -
Nov 24, 2017
filing date -
Nov 24, 2016
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Abstract
An optical member utilizing light from a point light source is enabled to visually perceive a reproduced optical image with a desired color. An optical modulation device includes an optical member having a light control part to reflect or absorb light in a predetermined wavelength and to pass through light in other than the predetermined wavelength in light in at least a visible light band, in accordance with a reproduction reference image for reproducing an original image, and a light transmissive part to pass through light in at least the visible light range including the predetermined wavelength.
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