发明名称 LIQUID CRYSTAL DEVICE AND PROJECTOR
摘要 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∈
申请公布号 US2017054955(A1) 申请公布日期 2017.02.23
申请号 US201615204373 申请日期 2016.07.07
申请人 SEIKO EPSON CORPORATION 发明人 SAWAI Hiroko
分类号 H04N9/31 主分类号 H04N9/31
代理机构 代理人
主权项 1. A liquid crystal device for a blue color comprising: a liquid crystal material that is a vertical alignment type and is disposed between a pair of substrates, wherein a retardation Δnd of the liquid crystal material is in a range of 0.18 to 0.29, and wherein a dielectric constant anisotropy Δ∈ of the liquid crystal material is in a range of −7.5 to −4.
地址 Tokyo JP