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    Single-polarizer reflective bistable twisted nematic (btn) liquid crystal display device
    1.
    发明申请
    Single-polarizer reflective bistable twisted nematic (btn) liquid crystal display device 失效
    单偏光反光双稳向扭曲向列（btn）液晶显示装置

    公开(公告)号：US20090213312A1

    公开(公告)日：2009-08-27

    申请号：US11920933

    申请日：2006-05-10

    申请人： Cecile Joubert ,  Terry Scheffer

    发明人： Cecile Joubert ,  Terry Scheffer

    IPC分类号： G02F1/13363 ,  G02F1/13

    CPC分类号： G02F1/1391 ,  G02F1/133634 ,  G02F2001/133531 ,  G02F2001/133567

    摘要： The application relates to a single-polarizer reflective bistable twisted nematic (BTN) liquid crystal display device comprising a liquid crystal layer of thickness d, birefringence Δn and retardation Δnd, said liquid crystal layer being situated between two substrates and between a polarizer and a reflector, said liquid crystal layer in the absence of an applied electric field having two stable uniformly twisted textures, the twists of the two stable textures differing by an angle being equal mainly to 180°, and at least one compensation layer positioned between said polarizer and said reflector, said compensation layer being composed of at least one birefringent film, said birefringent film having an optical anisotropy defined by three characteristic refractive indices nx, ny, nz, along three corresponding axis x, y, z of index ellipsoid, x and y being situated inside the substrates plane, nx and ny being called in plane indices, with nx≧ny, x being called slow axis, and z being perpendicular to the substrates plane with biaxiality parameter Nz equal to (nx−nz)/(nx−ny), characterized in that Nz lies between −∞ and ½ so that under oblique viewing the retardation of the stable texture corresponding to the dark state is compensated to improve the contrast ratio and simultaneously the retardation of the stable texture corresponding to the bright state is modified to decrease the color shift.

    摘要翻译： 本申请涉及一种单偏振器反射双稳向扭曲向列（BTN）液晶显示装置，其包括厚度d，双折射Deltan和延迟Deltand的液晶层，所述液晶层位于两个基板之间以及偏振器和反射器 所述液晶层在不存在具有两个稳定均匀扭曲纹理的施加电场的情况下，所述两个稳定纹理的扭曲角度主要等于180°，并且至少一个补偿层位于所述偏振器和所述 所述补偿层由至少一个双折射膜构成，所述双折射膜具有由三个特征折射率nx，ny，nz沿着索引椭圆体的三个对应轴x，y，z定义的光学各向异性，x和y为 位于衬底平面内，nx和ny被称为平面指数，其中nx> = ny，x称为慢轴，z 垂直于基板平面，双轴参数Nz等于（nx-nz）/（nx-ny），其特征在于Nz在-∞和½之间，使得在倾斜观察下，对应于暗态的稳定纹理的延迟 被补偿以提高对比度，并且同时修改对应于亮状态的稳定纹理的延迟以减少色偏。

    Display device with a black-optimizing bistable nematic screen and method for the definition of said device
    3.
    发明申请
    Display device with a black-optimizing bistable nematic screen and method for the definition of said device 失效
    具有黑色优化双稳态向列屏的显示装置和用于定义所述装置的方法

    公开(公告)号：US20070159590A1

    公开(公告)日：2007-07-12

    申请号：US10580319

    申请日：2004-11-25

    申请人： Cecile Joubert ,  Daniel Stoenescu ,  Alexandre Carton ,  Patrice Davi

    发明人： Cecile Joubert ,  Daniel Stoenescu ,  Alexandre Carton ,  Patrice Davi

    IPC分类号： C09K19/02

    CPC分类号： G02F1/1391

    摘要： A device nematic liquid crystal display device has two stable states corresponding to two liquid crystal molecule textures whose torsion differs by 150° to 180° in terms of absolute value. The device includes two polarizers (10, 40), one (10) of which is placed on the observer side, the other (40) being placed on the opposite side of the liquid crystal cell. The orientation of the two polarizers is offset by a value which is equal to the rotatory power of the cell±n/2, the rotatory power corresponding to the most twisted texture effect.

    摘要翻译： 器件向列液晶显示装置具有两个稳定状态，对应于两个液晶分子纹理，其扭矩以绝对值的差异为150°至180°。 该装置包括两个偏振器（10,40），其中一个（10）放置在观察者侧，另一个（40）被放置在液晶单元的相对侧上。 两个偏振器的方向偏移等于单元旋转功率的值±n / 2，旋转功率对应于最扭曲的纹理效应。

    Video image projector with improve luminous efficiency
    5.
    发明授权
    Video image projector with improve luminous efficiency 失效
    视频图像投影机，提高发光效率

    公开(公告)号：US5526063A

    公开(公告)日：1996-06-11

    申请号：US211347

    申请日：1994-03-22

    申请人： Cecile Joubert ,  Claude Puech ,  Brigitte Loiseaux ,  Jean-Pierre Huignard

    发明人： Cecile Joubert ,  Claude Puech ,  Brigitte Loiseaux ,  Jean-Pierre Huignard

    IPC分类号： G02F1/13 ,  G02F1/1335 ,  G02F1/13357 ,  G03B33/12 ,  H04N9/31

    CPC分类号： H04N9/3105 ,  H04N9/3164

    摘要： A three-color image projector, of the type using several colored light beams with primary colors, with improved luminous efficiency. The projector employs spatial rather than temporal beam modulation. The projector includes a generator producing light in the three spectral bands corresponding to the primary colors (red, green, blue). The generator has at least two light sources (S1, S2), one of which produces multi-spectral band light, and the other is a monochromatic source. By comparison with the prior art, where the white light is produced by a single source, this arrangement avoids, in particular, the elimination of a significant quantity of lumens in the excess primary color.

    摘要翻译： PCT No.PCT / FR93 / 00727 Sec。 371日期：1994年3月22日 102（e）1994年3月22日PCT提交1993年7月16日PCT公布。 第WO94 / 03019号公报 日期：1994年2月3日。一种三色图像投影机，采用几种原色的彩色光束，发光效率得到提高。 投影机采用空间而不是时间波束调制。 该投影仪包括产生与原色（红色，绿色，蓝色）对应的三个光谱带中的光的发生器。 发生器具有至少两个光源（S1，S2），其中之一产生多光谱带光，另一个是单色光源。 与现有技术相比，白色光由单一光源产生，这种布置特别避免了过量原色中大量的流明。

    Color display device with intervening lens and spatial filter or with overlapping beams of chromatically separated light between the chromatic separator and lens array
    6.
    发明授权
    Color display device with intervening lens and spatial filter or with overlapping beams of chromatically separated light between the chromatic separator and lens array 失效
    具有中间透镜和空间滤光器的彩色显示装置或在色分离器和透镜阵列之间的重叠的色度分离的光束

    公开(公告)号：US5467206A

    公开(公告)日：1995-11-14

    申请号：US267904

    申请日：1994-07-06

    申请人： Brigitte Loiseaux ,  Cecile Joubert ,  Jean-Pierre Huignard ,  Pascal Joffre ,  Christophe Nicolas

    发明人： Brigitte Loiseaux ,  Cecile Joubert ,  Jean-Pierre Huignard ,  Pascal Joffre ,  Christophe Nicolas

    IPC分类号： G02F1/13 ,  G02F1/1335 ,  G02F1/13357 ,  H04N9/31 ,  G03B21/14 ,  G03B21/26

    CPC分类号： G02F1/133621 ,  H04N9/3108 ,  G02F2001/133623

    摘要： A color display device comprises a source of light simultaneously emitting several ranges of chromatic components and a spatial light modulator comprising several dots, each dot comprising at least one sub-pixel per range of chromatic component to be displayed. Between the light source and the spatial light modulator there are provided at least one chromatic separator angularly separating the light of the different chromatic range along different directions, a lens focusing the light of the different chromatic ranges at distinct points or along distinct lines contained in a determined plane, at least one spatial filter located along this determined plane and selectively filtering the light of the different chromatic ranges, and an array of lenses, each enabling the focusing of the light of each chromatic range substantially on a sub-pixel.

    摘要翻译： 彩色显示装置包括同时发射几个色彩分量范围的光源，以及包括多个点的空间光调制器，每个点包括每个要显示的彩色成分的每个范围的至少一个子像素。 在光源和空间光调制器之间，提供了至少一个色彩分离器，其沿着不同的方向将不同色彩范围的光成角度地分离，将不同色度范围的光聚焦在不同的点或沿着包含在 确定的平面，沿着该确定的平面定位的至少一个空间滤波器，并且选择性地滤除不同色彩范围的光;以及透镜阵列，每个透镜阵列使得能够将每个色度范围的光基本上聚焦在子像素上。

    Display device with a black-optimizing bistable nematic screen and method for the definition of said device
    7.
    发明授权
    Display device with a black-optimizing bistable nematic screen and method for the definition of said device 失效
    具有黑色优化双稳态向列屏的显示装置和用于定义所述装置的方法

    公开(公告)号：US07589816B2

    公开(公告)日：2009-09-15

    申请号：US10580319

    申请日：2004-11-25

    申请人： Cecile Joubert ,  Daniel Stoenescu ,  Alexandre Carton ,  Patrice Davi

    发明人： Cecile Joubert ,  Daniel Stoenescu ,  Alexandre Carton ,  Patrice Davi

    IPC分类号： C09K19/02

    CPC分类号： G02F1/1391

    摘要： A device nematic liquid crystal display device has two stable states corresponding to two liquid crystal molecule textures whose torsion differs by 150° to 180° in terms of absolute value. The device includes two polarizers (10, 40), one (10) of which is placed on the observer side, the other (40) being placed on the opposite side of the liquid crystal cell. The orientation of the two polarizers is offset by a value which is equal to the rotatory power of the cell+/−Π/2, the rotatory power corresponding to the most twisted texture effect.

    摘要翻译： 器件向列液晶显示装置具有两个稳定状态，对应于两个液晶分子纹理，其扭矩以绝对值的差异为150°至180°。 该装置包括两个偏振器（10,40），其中一个（10）放置在观察者侧，另一个（40）被放置在液晶单元的相对侧上。 两个偏振器的取向偏移等于电池的旋转功率+/- Pi / 2，旋转功率对应于最扭曲的纹理效果。