Full color cholesteric displays employing cholesteric color filter
    142.
    发明申请
    Full color cholesteric displays employing cholesteric color filter 审中-公开
    采用胆甾型彩色滤光片的全彩胆固醇显示器

    公开(公告)号:US20030160923A1

    公开(公告)日:2003-08-28

    申请号:US10078801

    申请日:2002-02-19

    Inventor: Yao-Dong Ma

    Abstract: The present invention relates to a liquid crystal display, more specifically, relates to a full color cholesteric display employing circularly polarized micro-color filter which is composed of polymeric cholesteric thin film. The display has a long time memory and excellent characteristics of brightness and contrast. A built-in cholesteric color filter structure provides a full color gamut of circular polarization. A cholesteric liquid crystal cell structure, as a circular polarization modulator, provides optical ON and OFF states respectively with its one texture as a circular polarizer and the other texture as a depolarizer. Both of those two textures are electric field controllable.

    Abstract translation: 液晶显示器技术领域本发明涉及一种液晶显示器,更具体地说,涉及采用由聚合胆甾型薄膜构成的圆偏振微彩滤色片的全色胆甾型显示器。 该显示器具有长时间的记忆和优异的亮度和对比度特性。 内置的胆甾型滤色镜结构提供了全色域的圆偏振。 作为圆偏振光调制器的胆甾醇型液晶单元结构分别以其一个结构作为圆偏振器和另一个纹理分别提供光ON和OFF状态作为去偏振器。 这两种纹理都是电场可控的。

    Liquid display
    143.
    发明授权
    Liquid display 失效
    液体显示

    公开(公告)号:US06567060B1

    公开(公告)日:2003-05-20

    申请号:US09529477

    申请日:2000-04-13

    Abstract: A printed layer having opening portions is provided at a position opposite to an observer of a liquid crystal display device, a display is performed by use of absorption or chromaticity of the printed layer when an external light source is utilized, and a display is performed by transmitting light through the opening portions of the printed layer when an auxiliary light source is turned on, and further different voltages between when the external light source is utilized and when the auxiliary light source is used are applied to a liquid crystal layer by a gradation reversal circuit. Moreover, reversal of brightness and darkness of a display by the use of the external light source and the auxiliary light source is eliminated by a polarizing film or a cholesteric liquid crystal polymer film disposed on the rear face of the liquid crystal display device, thereby enabling a liquid crystal display device with excellent visibility.

    Abstract translation: 具有开口部分的印刷层设置在与液晶显示装置的观察者相对的位置处,当使用外部光源时,通过使用印刷层的吸收或色度进行显示,并且显示由 当辅助光源接通时,通过印刷层的开口部分透射光,并且当使用外部光源时和使用辅助光源之间的另外的不同电压通过灰度反转被施加到液晶层 电路。 此外,通过使用外部光源和辅助光源使显示器的亮度和黑暗的反转由设置在液晶显示装置的背面上的偏振膜或胆甾型液晶聚合物膜消除,从而使能 具有良好可见性的液晶显示装置。

    Optical devices having reflective and transmissive modes for display
    144.
    发明申请
    Optical devices having reflective and transmissive modes for display 有权
    具有用于显示的反射和透射模式的光学装置

    公开(公告)号:US20030090804A1

    公开(公告)日:2003-05-15

    申请号:US10281582

    申请日:2002-10-28

    CPC classification number: G02F1/13362 G02F1/133536 G02F2201/343 G02F2203/09

    Abstract: Display apparatuses are shown capable of displaying information in a reflective mode using only ambient light and in a transmissive mode using a light source. In one embodiment, the display apparatus includes a reflecting polarizer disposed between a light modulating layer and an isotropic light cavity. The light cavity reflects incident light with a first degree of depolarization. The reflecting polarizer reflects light with a second degree of depolarization for at least one polarization that is greater than the first degree of depolarization. In another embodiment of the display apparatus, a microstructured film is included above a light cavity and below a light modulating system where the microstructured film includes sawtooth formations having at least a tilted surface. In another embodiment of a dual-mode display device, the display includes a cholesteric reflecting polarizer disposed between a light modulating layer and a light cavity where the light cavity causes a polarization phase shift upon reflectance.

    Abstract translation: 示出了能够仅使用环境光并且在使用光源的透射模式中以反射模式显示信息的显示装置。 在一个实施例中,显示装置包括设置在光调制层和各向同性光腔之间的反射偏振器。 光腔以第一度去极化反射入射光。 反射偏振器对具有大于第一去极化程度的至少一个偏振的第二度去极化反射光。 在显示装置的另一实施例中,微结构化膜包括在光腔之上并位于光调制系统之下,其中微结构化膜包括具有至少倾斜表面的锯齿形结构。 在双模显示装置的另一实施例中,显示器包括设置在光调制层和光腔之间的胆甾型反射偏振器,其中光腔在反射率下引起偏振相移。

    Bragg reflection optical device and methods for the manufacturing thereof
    145.
    发明授权
    Bragg reflection optical device and methods for the manufacturing thereof 有权
    布拉格反射光学器件及其制造方法

    公开(公告)号:US06549254B1

    公开(公告)日:2003-04-15

    申请号:US09631380

    申请日:2000-08-03

    Abstract: An optical device (20) is provided using at least one film (23) of cholesteric liquid crystal to reflect at least one predetermined wavelength band from an incident light. This device is characterized in that a non zero birefringence gradient is present in a portion or the entire thickness of said film. The gradient may be obtained in particular by superposing layers (24a-24j) having increasing or decreasing respective birefringence coefficients. The birefringence gradient has the effect of removing the lateral bands of the reflection spectrum, hence making the color of the reflected light more brilliant and more saturated. The effect is particularly advantageous in the case of the color red, for which the lateral band located on the yellow side is perceived strongly by the human eye.

    Abstract translation: 使用胆甾型液晶的至少一个薄膜(23)提供光学装置(20),以从入射光反射至少一个预定波长带。 该装置的特征在于,在所述膜的一部分或整个厚度中存在非零双折射梯度。 可以通过叠加具有递增或减少的双折射系数的层(24a-24j)来特别地获得梯度。 双折射梯度具有去除反射光谱的横向带的作用,因此使得反射光的颜色更加明亮和更饱和。 在红色的情况下,该效果特别有利,对于该颜色,位于黄色侧的横向频带被人眼强烈感知。

    Cholesteric liquid crystal color filter, a manufacturing method thereof and a display device for using the same
    146.
    发明申请
    Cholesteric liquid crystal color filter, a manufacturing method thereof and a display device for using the same 审中-公开
    胆甾醇型液晶滤色器及其制造方法及使用该显示装置

    公开(公告)号:US20010030720A1

    公开(公告)日:2001-10-18

    申请号:US09793119

    申请日:2001-02-27

    CPC classification number: G02F1/133516 G02B5/3016 G02F2201/343

    Abstract: A cholesteric liquid crystal layer color filter comprising a first cholesteric liquid crystal layer and second cholesteric liquid crystal layer wherein colors of the first cholesteric liquid layer are a first color and a second color; colors of the second cholesteric liquid crystal layer are a color which is the same as or similar to the second color and a third color and on the first color region of the first cholesteric liquid crystal layer, a region of the second cholesteric liquid crystal layer having a color which is the same as or similar to the second color and a region having the third color are respectively disposed, on the second color region of the first cholesteric liquid crystal layer, a third color region of the second cholesteric liquid crystal layer is formed.

    Abstract translation: 一种胆甾型液晶层彩色滤光片,包括第一胆甾型液晶层和第二胆甾型液晶层,其中所述第一胆甾型液体层的颜色为第一颜色和第二颜色; 第二胆甾醇型液晶层的颜色是与第二颜色和第三颜色相同或相似的颜色,并且在第一胆甾醇型液晶层的第一颜色区域上,第二胆甾醇型液晶层的区域具有 在第一胆甾型液晶层的第二颜色区域上分别设置与第二颜色相同或相似的颜色和具有第三颜色的区域,形成第二胆甾醇型液晶层的第三颜色区域 。

    Liquid crystal phase modulator using a ferroelectric liquid crystal with
a rotatable axis and cholesteric circular polarizers
    147.
    发明授权
    Liquid crystal phase modulator using a ferroelectric liquid crystal with a rotatable axis and cholesteric circular polarizers 失效
    使用具有可旋转轴的铁电液晶和胆甾型圆偏振器的液晶相位调制器

    公开(公告)号:US6141069A

    公开(公告)日:2000-10-31

    申请号:US851521

    申请日:1997-05-05

    Abstract: This invention provides a phase modulator comprising an electro-optically rotatable smectic liquid crystal half-wave retarder in combination with a cholesteric liquid crystal circular polarizer. Rotation of the half-wave retarder varies the phase delay of the modulator. A polarizing interferometer is provided utilizing the phase modulator of this invention in combination with a second cholesteric circular polarizer and a linear polarizer. A tunable Fabry-Perot resonator which does not require ordinary mirrors is provided utilizing the phase modulator of this invention in combination with a second cholesteric circular polarizer.

    Abstract translation: 本发明提供了一种相位调制器,其包括与胆甾型液晶圆偏振器组合的电光可旋转的近晶液晶半波延迟器。 半波延迟器的旋转会改变调制器的相位延迟。 使用本发明的相位调制器与第二胆甾型圆偏振器和线性偏振器组合来提供偏振干涉仪。 利用本发明的相位调制器与第二胆甾型圆偏振器组合,提供了不需要普通反射镜的可调法布里 - 珀罗谐振器。

    Liquid crystal display device of optical writing type having a carbon
dispersed light absorbing layer and a cholesteric reflector
    149.
    发明授权
    Liquid crystal display device of optical writing type having a carbon dispersed light absorbing layer and a cholesteric reflector 失效
    具有碳分散光吸收层和胆甾醇反射体的光学书写型液晶显示装置

    公开(公告)号:US5305129A

    公开(公告)日:1994-04-19

    申请号:US764519

    申请日:1991-09-24

    CPC classification number: G02F1/135 G02F1/133553 G02F2001/1352 G02F2201/343

    Abstract: A liquid crystal display element of optical writing type, includes: a first transparent substrate; a first transparent electrode layer formed on the first transparent substrate; a photoconductive layer formed on the first transparent electrode layer; a light absorbing layer formed on the photoconductive layer; a light reflecting layer formed on the light absorbing layer and composed of a macro molecular film of cholesteric liquid crystal; a second transparent substrate; a second transparent electrode layer formed on the second transparent substrate; and a liquid crystal layer disposed between the second transparent electrode layer and the light reflecting layer.

    Abstract translation: 一种光学书写型液晶显示元件,包括:第一透明基板; 形成在第一透明基板上的第一透明电极层; 形成在第一透明电极层上的光电导层; 形成在光电导层上的光吸收层; 在光吸收层上形成的由胆甾型液晶的大分子膜构成的光反射层; 第二透明基板; 形成在第二透明基板上的第二透明电极层; 以及设置在第二透明电极层和光反射层之间的液晶层。

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