Optical device, manufacturing method of optical device, and display device, electronic device and illuminating device including optical device
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United States of America Patent
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Jan 23, 2018
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app pub date -
Dec 3, 2014
filing date -
Feb 17, 2014
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Abstract
An optical device including first and second transparent substrates disposed so that the principal surfaces thereof face each other; conductive light shielding patterns disposed on the principal surface side of the first transparent substrate; a transparent conductive film disposed on the principal surface of the second transparent substrate; a plurality of light transmissive regions disposed on the first transparent substrate; and an electrophoretic element disposed in gaps between each adjacent light transmissive regions is configured such that the dispersion state of electrophoretic particles 61 is changed by externally applied electric fields, thereby changing the range of outgoing directions of transmitted light. Thus, it is possible to relieve a decrease in the amount of charging of an electrophoretic element caused by the ingress of incident light and to ensure operation stability.
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