LIQUID CRYSTAL DEVICE AND PROJECTOR
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United States of America Patent
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Jul 7, 2016
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Aug 19, 2015
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Abstract
A projector includes a liquid crystal device for a blue color including a liquid crystal material for a blue color, a liquid crystal device for a green color, and a liquid crystal device for a red color, and in a liquid crystal material for a blue color, the retardation Δnd is in a range of 0.18 to 0.29, and the dielectric constant anisotropy Δ∈ is in a range of −7.5 to −4, in a material of a liquid crystal layer for a green color, the retardation Δnd is in a range of 0.25 to 0.38, and the dielectric constant anisotropy Δ∈ is in a range of −7.5 to −4, and in a liquid crystal material for a red color, the retardation Δnd is in a range of 0.31 to 0.45, and the dielectric constant anisotropy Δ∈ is in a range of −7.5 to −4.Δ∈
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