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    • 2. 发明申请
    • METHODS OF MANUFACTURING SECURITY DOCUMENTS AND SECURITY DEVICES
    • 制造安全文件和安全设备的方法
    • WO2017009616A1
    • 2017-01-19
    • PCT/GB2016/052081
    • 2016-07-11
    • DE LA RUE INTERNATIONAL LIMITED
    • HOLMES, Brian WilliamGODFREY, JohnCORNES, IanO'MALLEY, JohnCOMMANDER, Lawrence George
    • B42D25/324B42D25/342B42D25/425B42D25/45B42D25/455
    • B42D25/342B29D11/00298B29D11/00365B29D11/00442B41M3/14B42D25/23B42D25/24B42D25/29B42D25/324B42D25/351B42D25/355B42D25/378B42D25/425B42D25/45B42D25/455B42D25/46B42D25/48G02B1/041G02B3/0006G02B3/0012G02B3/0031G02B3/005
    • A method of manufacturing a security document is disclosed, comprising: providing a polymer substrate having first and second surfaces; and, in any order: (a)applying an array of focussing elements to the first surface of the polymer substrate across a first region; (b)forming an image array comprising a pattern of a first curable material, by: (b)(i) providing a die form, the die form having a surface comprising an arrangement of raised areas and recessed areas defining the pattern;(b)(ii) applying a first curable material to the surface of the die form such that said first curable material substantially fills the recessed areas;(b)(iii) bringing a pattern support layer in contact with the surface of the die form such that it covers the recessed areas; (b)(iv)separating the pattern support layer from the surface of the die form such that the first curable material in the recessed areas is removed from said recessed areas and retained on the pattern support layer in accordance with the pattern; and(b)(v)during and/or after step (b)(ii), at least partly curing the first curable material in one or more curing steps; wherein either the pattern support layer comprises the polymer substrate or step (b) further comprises applying the pattern support layer to the polymer substrate, such that the image array is located in a plane spaced from the array of focussing elements by a distance substantially equal to the focal length of the focussing elements whereby the focussing elements exhibit a substantially focussed image of the image array; and applying at least one opacifying layer to the first and/or second surfaces of the polymer substrate, the or each opacifying layer comprising a non-transparent material, wherein either the image array is located between the array of focussing elements and the at least one opacifying layer on the first surface of the substrate, or at least the opacifying layer(s) on the first surface of the substrate define a gap forming a window region in which at least part of the array of focussing elements is disposed such that a substantially focussed image of at least part of the image array is displayed in the window region.
    • 公开了一种制造安全证件的方法,包括:提供具有第一表面和第二表面的聚合物基材; 并且以任何顺序:(a)将聚焦元件阵列应用于穿过第一区域的聚合物基底的第一表面; (b)通过以下步骤形成包括第一可固化材料的图案的图像阵列:(b)(i)提供模具形式,所述模具形式具有包括凸起区域和限定所述图案的凹陷区域的布置的表面;(b )(ii)将第一可固化材料施加到模具表面,使得所述第一可固化材料基本上填充凹陷区域;(b)(iii)使图案支撑层与模具表面接触,使得 它涵盖了凹陷区域; (b)(iv)将图案支撑层与模具表面分离,使得凹陷区域中的第一可固化材料从所述凹陷区域移除并根据图案保持在图案支撑层上; 和(b)(v)在步骤(b)(ii)期间和/或之后,在一个或多个固化步骤中至少部分固化第一可固化材料; 其中所述图案支撑层包括所述聚合物基底或步骤(b)还包括将所述图案支撑层施加到所述聚合物基底上,使得所述图像阵列位于与所述聚焦元件阵列间隔开的距离,所述距离基本上等于 聚焦元件的焦距,由此聚焦元件表现出图像阵列的基本上聚焦的图像; 以及将至少一个不透明层施加到所述聚合物基底的第一和/或第二表面,所述或每个不透明层包括不透明材料,其中所述图像阵列位于所述聚焦元件阵列和所述至少一个 或至少在基材的第一表面上的不透明层限定了形成窗口区域的间隙,其中聚焦元件阵列的至少一部分被设置成使得基本上 图像阵列的至少一部分的聚焦图像被显示在窗口区域中。
    • 10. 发明申请
    • SWITCHABLE LENTICULAR ARRAY FOR AUTOSTEREOSCOPIC VIDEO DISPLAYS
    • 可切换的立体声阵列,用于自动视频显示
    • WO2014039555A1
    • 2014-03-13
    • PCT/US2013/058060
    • 2013-09-04
    • SOLIDDD CORP.
    • MULLER, Richard, A.
    • G02B3/00G02B27/22H04N13/04
    • G02B27/2214G02B3/005H04N13/305H04N13/322H04N13/356
    • Lenticles of a lenticular array can be electronically controlled to be optically equivalent to either of two sets of v irtual lenticles having two distinct physical characteristics. Each of the lenticles is in sufficiently close proximity to one or more switchable prisms to optically combine with therewith. The switchable optical elements can be switchable columnar prisms for example. In a first state, the switchable prisms optically combine with the lenticles such that the combination is optically equivalent to a first set of virtual lenticles. In a second, different state, the switchable prisms optically combine with the lenticles such that the combination is optically equivalent to a second, different set of virtual lenticles. Accordingly, the lenticular array can switch between two distinct configurations with the flip of a switch.
    • 透镜阵列的薄壁可以电子控制以与具有两个不同物理特性的两组虚拟微透镜中的任何一个光学上相同。 每个透明粒子都足够靠近一个或多个可切换棱镜以与其光学组合。 可切换的光学元件例如可以是可切换的柱状棱镜。 在第一状态下,可切换棱镜与透镜相结合,使得该组合在光学上等同于第一组虚拟透镜。 在第二个不同状态下,可切换棱镜与透镜相结合,使得该组合在光学上相当于第二组不同的虚拟透镜。 因此,透镜阵列可以通过开关的翻转在两个不同的配置之间切换。