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    • 4. 发明申请
    • Bright and white optical film
    • 明亮的白色光学胶片
    • US20060001971A1
    • 2006-01-05
    • US10514463
    • 2003-05-13
    • Martin SchadtMohammed Ibn-Elhaj
    • Martin SchadtMohammed Ibn-Elhaj
    • G02B5/128
    • G02B5/0221G02B5/0257G02B5/0268G02B5/0278G02B5/0284G02B5/1861G02F1/133504
    • 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.
    • 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。
    • 5. 发明授权
    • Optical element
    • 光学元件
    • US08553196B2
    • 2013-10-08
    • US12692435
    • 2010-01-22
    • Martin SchadtHubert Seiberle
    • Martin SchadtHubert Seiberle
    • C09K19/52G02F1/13
    • B42D25/364B42D25/29B42D25/391B42D2033/26B42D2035/24G02B5/30G02B5/3016G02B5/3025G02B5/3083G02B5/32G02B27/28G02B27/281G02F1/13363G06K19/06046
    • 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.
    • 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)。
    • 6. 发明授权
    • Optical element
    • 光学元件
    • US07679701B2
    • 2010-03-16
    • US11931937
    • 2007-10-31
    • Martin SchadtHubert Seiberle
    • Martin SchadtHubert Seiberle
    • G02F1/1335
    • B42D25/364B42D25/29B42D25/391B42D2033/26B42D2035/24G02B5/30G02B5/3016G02B5/3025G02B5/3083G02B5/32G02B27/28G02B27/281G02F1/13363G06K19/06046
    • 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 element, 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.
    • 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),其被局部变化的方式通过其表面覆盖 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,将整体表示为7的元件可以用作防止伪造的光学部件,可以使液晶层的取向图案或其中存储的光学信息通过 外部偏振器(5)。
    • 7. 发明申请
    • Element for protection against forgery or copying containing a structured retarder and a polarizer layer
    • 用于防止伪造或复制的元件,其包含结构化延迟器和偏振器层
    • US20060232734A1
    • 2006-10-19
    • US11455747
    • 2006-06-20
    • Martin SchadtHubert Seiberle
    • Martin SchadtHubert Seiberle
    • G02F1/1335
    • B42D25/364B42D25/29B42D25/391B42D2033/26B42D2035/24G02B5/30G02B5/3016G02B5/3025G02B5/3083G02B5/32G02B27/28G02B27/281G02F1/13363G06K19/06046
    • 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 element, 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.
    • 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)(= 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。 然后,将整体表示为7的元件可以用作防止伪造的光学部件,可以使液晶层的取向图案或其中存储的光学信息通过 外部偏振器(5)。
    • 10. 发明授权
    • Element for protection against forgery or copying containing a structured retarder and a polarizer layer
    • 用于防止伪造或复制的元件,其包含结构化延迟器和偏振器层
    • US07292292B2
    • 2007-11-06
    • US11455747
    • 2006-06-20
    • Martin SchadtHubert Seiberle
    • Martin SchadtHubert Seiberle
    • G02F1/1335
    • B42D25/364B42D25/29B42D25/391B42D2033/26B42D2035/24G02B5/30G02B5/3016G02B5/3025G02B5/3083G02B5/32G02B27/28G02B27/281G02F1/13363G06K19/06046
    • 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 element, 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.
    • 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)(= 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。 然后,将整体表示为7的元件可以用作防止伪造的光学部件,可以使液晶层的取向图案或其中存储的光学信息通过 外部偏振器(5)。