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    • 7. 发明专利
    • Optical element
    • 光学元件
    • JP2008242466A
    • 2008-10-09
    • JP2008106958
    • 2008-04-16
    • Rolic Agロリク アーゲー
    • SCHADT MARTINSEIBERLE HUBERT
    • G02B5/30G06K19/06
    • B42D25/364B42D25/29B42D25/391B42D2033/26B42D2035/24G02B5/30G02B5/3016G02B5/3025G02B5/3083G02B5/32G02B27/28G02B27/281G02F1/13363G06K19/06046
    • PROBLEM TO BE SOLVED: To provide an element which can be used as an optical component protected against forgery. SOLUTION: 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. It is possible for the orientation pattern of the liquid-crystal layer or the optical information stored therein to be made visible, for example, by means of an external polarizer (5). COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供可用作防伪造的光学部件的元件。 解决方案:组件具有由透明材料(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)(= LPP),其经由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。 液晶层的取向图案或存储在其中的光学信息可以例如通过外部偏振器(5)可见。 版权所有(C)2009,JPO&INPIT