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    OPTICAL ELEMENT
    2.
    发明申请
    OPTICAL ELEMENT 有权
    光学元件

    公开(公告)号：US20100118256A1

    公开(公告)日：2010-05-13

    申请号：US12692435

    申请日：2010-01-22

    申请人： Martin Schadt ,  Hubert Seiberle

    发明人： Martin Schadt ,  Hubert Seiberle

    IPC分类号： G02F1/13363

    CPC分类号： B42D25/364 ,  B42D25/29 ,  B42D25/391 ,  B42D2033/26 ,  B42D2035/24 ,  G02B5/30 ,  G02B5/3016 ,  G02B5/3025 ,  G02B5/3083 ,  G02B5/32 ,  G02B27/28 ,  G02B27/281 ,  G02F1/13363 ,  G06K19/06046

    摘要： A component has a substrate (1) made of a transparent material, for example glass. On this layer (1), there is a linear polarizer (2) on which there is a layer (3) of a photo-oriented polymer network (PPN)(-LPP) which is oriented in locally varying fashion via its surface which covers the substrate. The layer (3) is adjoined by an anisotropic layer (4) of cross-linked liquid-crystal monomers. This layer (4) then has a molecular arrangement whose orientation is defined by the underlying orientation layer (3). The layer (4) will have been photocross-linked by exposure to a suitable wavelength of light, with the result that the molecular orientation defined by the PPN layer (3) is fixed. The clement, denoted as a whole by 7, can then be used as an optical component which is protected against forgery, it being possible for the orientation pattern of the liquid-crystal layer or the optical information stored therein to be made visible by means of an external polarizer (5), for example.

    摘要翻译： 部件具有由透明材料例如玻璃制成的基板（1）。 在该层（1）上，存在线性偏振器（2），其上存在光取向聚合物网络（PPN）（LPP）的层（3），其通过其表面以局部变化的方式取向 底物。 层（3）由交联液晶单体的各向异性层（4）邻接。 然后，该层（4）具有其取向由下面的取向层（3）限定的分子排列。 层（4）将通过暴露于合适的波长的光而被交叉连接，结果是由PPN层（3）限定的分子取向是固定的。 然后，由7表示的整体可以用作防止伪造的光学部件，可以通过以下方式使液晶层的取向图案或存储在其中的光学信息变得可见： 外部偏振器（5）。

    Bright and white optical film
    3.
    发明申请
    Bright and white optical film 审中-公开
    明亮的白色光学胶片

    公开(公告)号：US20060001971A1

    公开(公告)日：2006-01-05

    申请号：US10514463

    申请日：2003-05-13

    申请人： Martin Schadt ,  Mohammed Ibn-Elhaj

    发明人： Martin Schadt ,  Mohammed Ibn-Elhaj

    IPC分类号： G02B5/128

    CPC分类号： G02B5/0221 ,  G02B5/0257 ,  G02B5/0268 ,  G02B5/0278 ,  G02B5/0284 ,  G02B5/1861 ,  G02F1/133504

    摘要： The invention relates to optical films and coatings and more specifically to a film or coating acting as a diffuse reflector or a diffuser, which is formed of a monomer-corrugated film or coating, which, when illuminated with CIE standard illuminant D65 under a selected direction has the property that within a desired angular range of observation of at least five degrees the difference in the CIE chromaticity coordinates (x, y) of said diffuse reflector or diffuser and of standard white BaSO4 is not more than 0.05 and the gain in brightness compared to standard white BaSO4 is not less than two. Diffusers and reflectors according to the invention are capable to redirect the transmitted or reflected incident light into a desired off-specular viewing cone whose shape is defined by the groove topology. The sizes (both grooves period and height), the vertical profile of the corrugations as well as their distributions and volume fraction can be adjusted via the MC-process. It can be used to control the spatial distribution of transmitted and reflected light and to achieve a desired state of polarization and whiteness.

    摘要翻译： 本发明涉及光学膜和涂层，更具体地涉及用作漫反射器或扩散器的膜或涂层，其由单体波纹膜或涂层形成，当被选择的方向被CIE标准光源D65照射时 具有在至少五度的期望角度观察范围内的特性，所述漫反射器或扩散器和标准白色BaSO 4的CIE色度坐标（x，y）中的差异不是更大 与标准白色BaSO 4 <4>相比，亮度增益不小于2。 根据本发明的扩散器和反射器能够将透射或反射的入射光重定向到其形状由凹槽拓扑限定的期望离镜观察锥体。 波纹的尺寸（槽周期和高度），波纹的垂直轮廓以及它们的分布和体积分数都可以通过MC过程进行调整。 它可以用于控制透射和反射光的空间分布，并实现期望的偏振状态和白度。

    Switchable color filter
    4.
    发明申请
    Switchable color filter 失效
    可切换滤色片

    公开(公告)号：US20050099373A1

    公开(公告)日：2005-05-12

    申请号：US10415713

    申请日：2001-11-01

    申请人： Jurg Funfschilling ,  Klaus Schmitt ,  Martin Schadt

    发明人： Jurg Funfschilling ,  Klaus Schmitt ,  Martin Schadt

    IPC分类号： G02B5/20 ,  G02B5/30 ,  G02F1/13 ,  G02F1/1335 ,  G02F1/13363 ,  G02F1/1347 ,  G02F1/23 ,  H04N9/31 ,  G09G3/36

    CPC分类号： H04N9/3117 ,  G02B5/3016 ,  G02F1/133533 ,  G02F1/133536 ,  G02F1/13473 ,  G02F1/23 ,  G02F2001/133543 ,  G02F2001/133638 ,  G02F2201/343 ,  G02F2203/34

    摘要： A liquid crystal switchable color filter switches between three color bands and is preferably used for time-sequential devices, such as projection devices, direct view displays and video cameras. The color filter may employ circularly polarizing selective reflection bands of at least four cholesteric filters together with three liquid crystal switches and related retarder layers. In one embodiment, the handedness of the second cholesteric is equal to the handedness of the third cholesteric filter and opposite to the handedness of the first and fourth cholesteric filter and, for the blocking state of a color band, the optic axis of the corresponding liquid crystal switch is parallel or perpendicular to the polarization direction. This concept leads to improved, excellent color saturation and requires less stringent production tolerances than in the prior art. Moreover, it advantageously allows overlapping color transmission bands thus improving the light efficiency.

    摘要翻译： 液晶可切换彩色滤光片在三个色带之间切换，优选用于诸如投影设备，直视图和摄像机的时序设备。 滤色器可以采用至少四个胆甾型滤光器的圆偏振选择反射带，以及三个液晶开关和相关的延迟器层。 在一个实施例中，第二胆甾醇的螺旋性等于第三胆甾型滤光器的螺旋性，并且与第一和第四胆甾型滤光器的螺旋性相反，并且对于色带的阻挡状态，相应液体的光轴 晶体开关平行或垂直于偏振方向。 该概念导致改进的优异的色饱和度，并且比现有技术要求的生产公差要小得多。 此外，其有利地允许重叠的彩色传输频带，从而提高光效率。

    Optical component and method of manufacture
    5.
    发明授权
    Optical component and method of manufacture 失效
    光学部件及制造方法

    公开(公告)号：US06717644B2

    公开(公告)日：2004-04-06

    申请号：US10076565

    申请日：2002-02-19

    申请人： Martin Schadt ,  Andreas Schuster ,  Hubert Seiberle

    发明人： Martin Schadt ,  Andreas Schuster ,  Hubert Seiberle

    IPC分类号： G02F11337

    CPC分类号： C08F246/00 ,  C08G77/38 ,  G02B5/3016 ,  G02F1/133365 ,  G02F1/133636 ,  G02F1/133711 ,  G02F1/133753 ,  G02F1/133788 ,  G02F2001/133765

    摘要： An optical component having a hybrid layer structure includes an orienting layer, a further layer in contact with the orienting layer and incorporating a cross-linked liquid crystalline monomer and at least one additional orienting layer on top of the liquid crystalline layer, and preferably includes one additional cross-linked liquid crystalline monomer. The layers have different functions, such as orienting or retarding. At least one of the orienting layers should be a photo-orientating polymer network layer, or have locally varying orienting pattern. These optical components are useful in transmittance and reflective liquid crystal displays, such as rotation cells, STN cells, ferroelectric cells, and cells having an addressable active matrix. Such cells are useful in optical and integrated optical devices, and may be used for safeguarding against counterfeiting and copying in transmission.

    摘要翻译： 具有混合层结构的光学部件包括定向层，与定向层接触的另一层，并且在液晶层的顶部上并入交联的液晶单体和至少一个另外的定向层，并且优选地包括一个 另外交联的液晶单体。 这些层具有不同的功能，例如定向或延迟。 定向层中的至少一个应当是光取向聚合物网络层，或者具有局部变化的定向图案。 这些光学部件可用于透射率和反射型液晶显示器，例如旋转单元，STN单元，铁电单元和具有可寻址的有源矩阵的单元。 这种电池在光学和集成光学器件中是有用的，并且可以用于防止传输中的伪造和复制。

    Method of making an element of liquid crystal polymer using alignment induced by unpolarized or circularly polarized radiation
    6.
    发明授权
    Method of making an element of liquid crystal polymer using alignment induced by unpolarized or circularly polarized radiation 有权
    使用由非偏振或圆偏振辐射引起的取向制造液晶聚合物元素的方法

    公开(公告)号：US06646703B1

    公开(公告)日：2003-11-11

    申请号：US09890541

    申请日：2001-08-02

    申请人： Hubert Seiberle ,  Martin Schadt

    发明人： Hubert Seiberle ,  Martin Schadt

    IPC分类号： G02F11337

    CPC分类号： G02F1/133788 ,  G02B5/3016 ,  G02F2001/133757 ,  G02F2001/133765

    摘要： A method of imparting a property to a material, the property being that cross-linkable monomeric or pre-polymeric liquid crystal molecules which may be placed on the layer would adopt preferred alignment. The method comprises exposing the material to unpolarised or circularly polarised radiation from an oblique direction, wherein the material is, for example, cross-linked by the irradiation, allowing monomeric or pre-polymeric liquid crystal molecules applied to or mixed with the exposed material to adopt the preferred alignment and while aligned cross-linking them. The invention also relates to LCD elements incorporating a preferred alignment.

    摘要翻译： 赋予材料性质的方法，其特征在于可以放置在层上的可交联单体或预聚合液晶分子将采用优选的对准。 该方法包括将材料暴露于来自倾斜方向的非偏振或圆偏振辐射，其中该材料例如通过照射进行交联，从而允许单体或预聚合液晶分子施加或暴露于其中的混合物 采用优选的对齐方式，并对齐交联。 本发明还涉及包含优选对准的LCD元件。

    Ferroelectric liquid crystal cell with a saturated switching angle or sufficient to give rise to linear liquid crystal domains
    10.
    发明授权
    Ferroelectric liquid crystal cell with a saturated switching angle or sufficient to give rise to linear liquid crystal domains 失效
    具有饱和开关角度或足以产生线性液晶畴的铁电液晶单元

    公开(公告)号：US6111631A

    公开(公告)日：2000-08-29

    申请号：US986711

    申请日：1997-12-08

    申请人： Jurg Funfschilling ,  Martin Schadt

    发明人： Jurg Funfschilling ,  Martin Schadt

    IPC分类号： G02F1/137 ,  C09K19/02 ,  C09K19/46 ,  G02F1/141

    CPC分类号： G02F1/141 ,  C09K19/0225 ,  C09K19/46 ,  G02F2001/1414

    摘要： The commercial production of DHF (Deformed Helix Ferroelectric) cells, in particular DHF color display cells, has scarcely become established to date. This is in particular because the DHF cells required for this purpose and based on the known prior art have short switching times and a good angular range of view but relatively high voltages and currents are required for their operation. Moreover, for the production of a DHF cell, the liquid crystal mixture must additionally be oriented or formatted by means of an electric field. The present invention relates to a ferroelectric display cell which does not have these disadvantages and in particular is distinguished by the fact thatthe display is dark at U=0 and bright at .vertline.U.vertline.>0,the current-voltage hysteresis characteristic has two maxima of equal size,the birefringence .DELTA.n in the field-free state is greater than that in the saturated state andthe saturation voltage is relatively low even with very small spontaneous polarization P.sub.s (P.sub.s

    摘要翻译： DHF（Deformed Helix Ferroelectric）细胞，特别是DHF彩色显示细胞的商业生产迄今为止几乎没有建立。 这特别是因为为此目的而且基于已知现有技术所需的DHF电池具有短的开关时间和良好的视角范围，但它们的操作需要相对高的电压和电流。 此外，为了生产DHF电池，液晶混合物必须通过电场另外定向或格式化。 本发明涉及不存在这些缺点的铁电显示单元，特别是由于在U = 0时显示为暗且在| U |> 0处亮度，电流 - 电压滞后特性具有两个最大值 相同尺寸的情况下，无场态下的双折射率DELTA n大于饱和状态下的双折射率，即使具有非常小的自发极化Ps（Ps <5nC / cm 2），饱和电压也相对较低。