Ferroelectric liquid crystal apparatus
    4.
    发明授权
    Ferroelectric liquid crystal apparatus 失效
    电磁液晶装置

    公开(公告)号:US5082352A

    公开(公告)日:1992-01-21

    申请号:US413232

    申请日:1989-09-27

    IPC分类号: G02F1/1335 G02F1/141 G09F9/35

    摘要: A ferroelectric liquid crystal apparatus includes: a ferroelectric liquid crystal cell including a pair of substrates each having an electrode and an alignment film thereon, the alignment films being respectively provided with uniaxial orientation axes (preferably those provided by rugging) which are provided in parallel and in the same oblique direction of from upper right to lower left or from lower left to upper right [from lower right to upper left or from upper left to lower right], a first polarizer having a transmission axis set within a region (I) defined by a clockwise (or counterclockwise) angle of 45.degree. from the direction of the uniaxial orientation axes, a second polarizer having a transmission axis set within a region (II) defined by a clockwise (or counter-clockwise) angle of 45.degree. from the direction forming right angles with the direction of the unilaxial orientation axes, and a mechanism for adjusting an angle of the ferroelectric liquid crystal cell standing up from a horizontal plane.

    Liquid crystal apparatus
    5.
    发明授权
    Liquid crystal apparatus 失效
    液晶装置

    公开(公告)号:US5035491A

    公开(公告)日:1991-07-30

    申请号:US503678

    申请日:1990-04-03

    IPC分类号: G02F1/1335 G02F1/141

    CPC分类号: G02F1/141 G02F2001/133531

    摘要: A liquid crystal apparatus, comprising: a liquid crystal cell comprising a pair of substrates, and a chiral smectic liquid crystal showing at least two different optically stable states formed by cooling from a uniaxial alignment phase and disposed between the substrates; and a polarizer and an analyzer disposed to sandwiched the liquid crystal cell; wherein the chiral smectic liquid crystal, polarizer and analyzer are disposed to satisfy any one of the following sets of conditions I-IV characterized by combination of X, Y and Z directions shown below:______________________________________ X Y Z ______________________________________ I clockwise counterclockwise perpendicular II clockwise clockwise parallel III counterclockwise counterclockwise parallel IV counterclockwise clockwise perpendicular ______________________________________ with proviso that the chiral smectic liquid crystal is disposed so that the long axes of the chiral smectic liquid crystal molecules are aligned with a twist in the X direction along the direction from the polarizer toward the analyzer to form an average molecular long axis proving one optically stable state, and when the average molecular long axis is switched to provide another optically stable state latched in the Y direction with respect to the direction from the analyzer toward the polarizer, the polarizer is disposed to have an electric vector transmission axis which is substantially in the Z direction with respect to the average molecular long axis.

    Thermal recording material and novel crystal of bisphenol S derivative
    7.
    发明授权
    Thermal recording material and novel crystal of bisphenol S derivative 有权
    双酚S衍生物的热记录材料和新型晶体

    公开(公告)号:US6114282A

    公开(公告)日:2000-09-05

    申请号:US214795

    申请日:1999-01-11

    CPC分类号: B41M5/3336 C07C317/22

    摘要: A heat-sensitive recording material in which a heat-sensitive color-developing layer comprising, as the main components, a usually colorless or light-colored color former and a developer capable of developing the color former upon heating on a support, characterized by comprising, as the developer, crystals of 3,3'-diallyl-4,4'-dihydroxy-diphenyl sulfone which have DSC (Te) of at least 149.degree. C. and which are of a crystal form characterized by an X-ray diffraction pattern having peaks at least at diffraction angles (2.theta.) [.degree.] of 7.2 and 22.0, obtained by an X-ray powder diffractometry using Cu--K.alpha. rays. This heat-sensitive recording material is high in sensitivity, little in Discoloration of the ground in heat and moisture and excellent in image durability.

    摘要翻译: PCT No.PCT / JP98 / 02103 Sec。 371日期1999年1月11日 102(e)日期1999年1月11日PCT提交1998年5月13日PCT公布。 公开号WO98 / 51511 PCT 日期:1998年11月19日一种热敏记录材料,其中以热敏显色层为主要成分的热敏性显色层,通常为无色或浅色的着色剂和能够在 载体,其特征在于包含作为显影剂的3,3'-二烯丙基-4,4'-二羟基 - 二苯基砜的晶体,其具有至少149℃的DSC(Te),并且是晶体形式,其特征在于 通过使用Cu-Kα射线的X射线粉末衍射获得的至少在衍射角(2θ)[°]为7.2°和22.0°处具有峰值的X射线衍射图谱。 该热敏记录材料的灵敏度高,在热和湿气中的地面变色少,图像耐久性优异。

    Liquid crystal apparatus
    9.
    发明授权
    Liquid crystal apparatus 失效
    液晶装置

    公开(公告)号:US5414542A

    公开(公告)日:1995-05-09

    申请号:US985232

    申请日:1992-12-02

    CPC分类号: G02F1/1335 G02F1/13439

    摘要: A liquid crystal apparatus includes a liquid crystal cell comprising a pair of substrates each having thereon a transparent electrode with a thickness of 840 .ANG. or less, 1320-1680 .ANG., 1960-2470 .ANG. or 3180-3850 .ANG., and a liquid crystal layer disposed between the pair of substrates in a thickness of 10 microns or less; and a fluorescent light source comprising at least two types of fluophors having different emission peak wavelengths. The liquid crystal may preferably be a ferroelectric liquid crystal having a thickness of 5 microns or less. A dielectric film of, e.g., Ta.sub.2 O.sub.5 or TiO.sub.2 having a larger refractive index than the transparent electrode may be disposed.

    摘要翻译: 一种液晶显示装置,包括一个液晶单元,该液晶单元包括一对基板,每个基板上具有厚度为840或更小的透明电极,1320-1680,1960-2470,3180-3850,和一个液晶层, 在一对基板之间,厚度为10微米或更小; 以及包括具有不同发射峰值波长的至少两种类型的荧光体的荧光光源。 液晶优选为厚度为5微米以下的铁电液晶。 可以设置例如具有比透明电极更大的折射率的Ta 2 O 5或TiO 2的电介质膜。