Liquid crystal display element and projection type display device
    13.
    发明申请
    Liquid crystal display element and projection type display device 失效
    液晶显示元件和投影型显示装置

    公开(公告)号:US20050024578A1

    公开(公告)日:2005-02-03

    申请号:US10673271

    申请日:2003-09-30

    IPC分类号: G02F1/139 C09K19/02 G02F1/13

    CPC分类号: C09K19/0208

    摘要: An active matrix drive type liquid crystal display element capable of preventing deterioration of display capability caused by a stripe domain, and a projection type display device using the liquid crystal display element, by which there is provided a projection type display device comprising a light source; a light convergence optical system for guiding a light emitted from said light source to a liquid crystal display element; and a projection optical system for enlarging and projecting a light subjected to light modulation by said liquid crystal display element; wherein the liquid crystal display element is configured by holding a liquid crystal layer between a pair of substrates arranged to face to each other, and a twisted nematic type liquid crystal material used in the liquid crystal layer satisfies dielectric constant anisotropy Δε of 0 6.0 pN when the refractive index anisotropy Δn is 0.16≦Δn≦0.18 and satisfies dielectric constant anisotropy Δε of 0 3.0 pN when the refractive index anisotropy Δn is 0.18≦Δn≦0.20.

    摘要翻译: 一种能够防止由条域导致的显示能力的劣化的有源矩阵驱动型液晶显示元件和使用该液晶显示元件的投影型显示装置,由此提供包括光源的投影型显示装置; 光聚光光学系统,用于将从所述光源发射的光引导到液晶显示元件; 以及投影光学系统,用于放大和投射由所述液晶显示元件进行光调制的光; 其中液晶显示元件通过将液晶层保持在彼此相对布置的一对基板之间而构成,并且在液晶层中使用的扭曲向列型液晶材料满足介电常数各向异性Δepsilon0 < 8,当折射率各向异性Deltan为0.16 <= Deltan <= 0.18时,K22> 6.0pN的扭曲弹性模量K22,当折射率各向异性Deltan的折射率各向异性为0.16时,满足介电常数各向异性为0 Kp2> 3.0pN 指数各向异性Deltan是0.18 <= Deltan <= 0.20。