Liquid-crystal display
    53.
    发明授权
    Liquid-crystal display 失效
    液晶显示器

    公开(公告)号:US5725796A

    公开(公告)日:1998-03-10

    申请号:US461737

    申请日:1995-06-05

    摘要: The invention relates to a liquid-crystal display based on a twisted nematic cell and having two substrates provided with electrode layers and alignment layers thereon and, with a frame, forming a cell, a nematic liquid-crystal mixture having positive dielectric anisotropy present in the cell, and a twist angle of the liquid-crystal layer in the cell with a value of between 0.degree. and 600.degree. from alignment layer to alignment layer,whose liquid-crystal mixture is based on medium-polarity compounds of the SFM type which are selected so that the liquid-crystal mixture has a viscosity at 20.degree. C. of less than 30 mm.sup.2 s.sup.-1 and has a value of K/.DELTA..di-elect cons..ltoreq.1.5 for the quotient of the Frank constant K ##EQU1## and the dielectric anisotropy .DELTA..di-elect cons. .DELTA..di-elect cons.=.di-elect cons..vertline.-.di-elect cons..sub..perp.when used in a TN cell (.nu.=.pi./2, d/p

    摘要翻译: 本发明涉及一种基于扭转向列单元的液晶显示器,具有在其上设置有电极层和取向层的两个基板,并且具有形成单元的框架,存在于该介质各向异性中的正的介电各向异性的向列型液晶混合物 电池中的液晶层和从配向层到取向层的值在0〜600度之间的电池中的液晶层的扭转角,其液晶混合物基于SFM型的中极性化合物 选择为使得液晶混合物在20℃下的粘度小于30mm 2 s -1,并且具有值+ E,ovs K + EE / DELTA +531 <= 1.5,对于Frank的商 常数+ E,ovs K + EE 和介电常数各向异性DELTA +531 DELTA +531 = + 531 | - + 531当在TN单元中使用ORTHOGONAL(nu = pi / 2,d / p << 1)+ E,ovs K + EE / DELTA +531