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    WATERMARKED PAPER
    1.
    发明公开
    WATERMARKED PAPER 审中-公开
    水印纸

    公开(公告)号：EP3308971A1

    公开(公告)日：2018-04-18

    申请号：EP16811244.9

    申请日：2016-06-15

    Applicant: Toppan Printing Co., Ltd.

    Inventor： IDE, Hidetaka

    IPC: B42D25/333 ,  B41M3/14 ,  B42D25/328 ,  B42D25/36 ,  D21H21/40 ,  G02B5/18 ,  G02F1/15

    Abstract: Provided is watermarked paper which allows arbitrary change of a watermark pattern or display of recorded optical image information even during observation from the same field of view. The watermarked paper is obtained by mixing into a paper layer an intermediate layer with a thickness of 6-300 µm that has a dimmer of which a light transmission amount changes according to a voltage state, characterized in that the watermarked paper includes a power supply for supplying power to the dimmer in the intermediate layer or on a paper surface, and a watermark image is changed by switching the dimmer between a transparent state and a mirror state by controlling a voltage by power supplied from the power supply.

    Abstract translation: 提供了即使在从相同视野观察期间也允许任意改变水印图案或记录的光学图像信息的显示的水印纸。 水印纸通过在纸层中混合厚度为6-300μm的中间层而获得，所述中间层具有根据电压状态而光透射量改变的调光器，其特征在于，所述水印纸包括电源 向中间层中或纸表面上的调光器供电，并且通过利用从电源提供的电力控制电压来将调光器在透明状态和镜面状态之间切换，从而改变水印图像。

    DISPLAY MEDIUM PROVIDED WITH DIFFRACTION STRUCTURE AND LIGHT CONTROL ELEMENT
    3.
    发明公开
    DISPLAY MEDIUM PROVIDED WITH DIFFRACTION STRUCTURE AND LIGHT CONTROL ELEMENT 审中-公开
    显示介质提供有衍射结构和光控元件

    公开(公告)号：EP3249459A1

    公开(公告)日：2017-11-29

    申请号：EP16739945.0

    申请日：2016-01-19

    Applicant: Toppan Printing Co., Ltd.

    Inventor： IDE, Hidetaka

    IPC: G02F1/15 ,  B42D25/328 ,  G02B5/18 ,  G09F19/12

    CPC classification number: G02F1/15 ,  B42D25/328 ,  G02B5/18 ,  G09F19/12

    Abstract: Provided is a display medium that is able to arbitrarily change the display of recorded optical image information even when viewed from the same field of view, and an image display method that uses that display medium. The display medium includes a diffraction structure section on which optical image information is recorded, a chromic device that controls the reflection and transmission using voltage, and a power supply that is connected to the chromic device.

    Abstract translation: 本发明提供一种显示介质以及使用该显示介质的图像显示方法，该显示介质即使在从相同的视野观察时也能够任意改变所记录的光学图像信息的显示。 显示介质包括其上记录光学图像信息的衍射结构部分，使用电压控制反射和透射的调光装置以及连接到调光装置的电源。

    OPTICAL ELEMENT, LAMINATE AND LABELED ARTICLE
    6.
    发明公开
    OPTICAL ELEMENT, LAMINATE AND LABELED ARTICLE 审中-公开
    OPTISCHES ELEMENT，LAMINAT UND ETIKETTIERTER ARTIKEL

    公开(公告)号：EP2192428A1

    公开(公告)日：2010-06-02

    申请号：EP08831573.4

    申请日：2008-09-19

    Applicant: Toppan Printing Co., Ltd.

    Inventor： YASHIKI, Kazuhiro ,  SHINDOU, Naoaki ,  ITOU, Noriyuki ,  IDE, Hidetaka ,  MINAMIKAWA, Naoki

    IPC: G02B5/18 ,  B42D15/10 ,  G09F3/02

    CPC classification number: G02B5/128 ,  B42D25/29 ,  B42D25/324 ,  B42D25/328 ,  B42D2033/04 ,  B42D2033/18 ,  B42D2035/24 ,  G02B3/0068

    Abstract: A special visual effect is achieved. An optical device (1) includes a light-reflecting interface provided with a first relief structure including first recesses or protrusions arranged two-dimensionally, the first relief structure emitting a first diffracted light when illuminated with a light, and a light-transmitting interface disposed in front of the light-reflecting interface and having a reflectance smaller than that of the first interface, the light-transmitting interface being provided with a second relief structure including second recesses or protrusions arranged two-dimensionally, and the second relief structure emitting a second diffracted light when illuminated with the light.

    Abstract translation: 实现了特殊的视觉效果。 光学装置（1）包括具有第一凸起结构的光反射界面，所述第一凸起结构包括二维布置的第一凹部或突出部，当用光照射时发射第一衍射光的第一凹凸结构和布置的透光界面 在光反射界面的前面，反射率小于第一界面的反射率，透光界面设置有包括二维布置的第二凹陷或凸起的第二凸起结构，而第二凹凸结构发射第二凹槽 用光照射时的衍射光。

    INFORMATION RECORDING MEDIUM, LABEL, CARD, AND AUTHENTICITY DETERMINATION METHOD
    8.
    发明公开
    INFORMATION RECORDING MEDIUM, LABEL, CARD, AND AUTHENTICITY DETERMINATION METHOD 审中-公开

    公开(公告)号：EP3632698A1

    公开(公告)日：2020-04-08

    申请号：EP18806501.5

    申请日：2018-05-25

    Applicant: Toppan Printing Co., Ltd.

    Inventor： IDE, Hidetaka ,  MINAMIKAWA, Naoki

    IPC: B42D25/328 ,  B42D25/435 ,  G02B5/18 ,  G09F3/02

    Abstract: An information recording medium (10a) formed by laminating a transparent protective layer (40) and a base material (20) having laser color-developing properties is provided. The information recording medium (10a) includes an intermediate layer (30) that is disposed between the transparent protective layer (40) and the base material (20). In the information recording medium (10a), the intermediate layer (30) includes a diffraction structure layer (32) that has a diffraction structure, and a first reflective layer (36) that reflects visible light and is destroyed when irradiated with a laser beam. Light, when incident from a transparent protective layer (40) side, causes a diffracted light pattern to appear in the diffraction structure layer (32) so as to be observable from the transparent protective layer (40) side. A laser beam, when applied from the transparent protective layer (40) side, passes through the diffraction structure layer (32), destroys the first reflective layer (36), and develops color in the base material (20).

    DIFFRACTION STRUCTURE TRANSFER FOIL AND FORGERY PREVENTION MEDIUM USING SAME
    10.
    发明公开
    DIFFRACTION STRUCTURE TRANSFER FOIL AND FORGERY PREVENTION MEDIUM USING SAME 审中-公开
    转基因麻省理工学院学士学位（中文版）ZUR VERHINDERUNG VONFÄLSCHUNGENDAMIT

    公开(公告)号：EP3144707A1

    公开(公告)日：2017-03-22

    申请号：EP15792122.2

    申请日：2015-05-13

    Applicant: Toppan Printing Co., Ltd.

    Inventor： IDE, Hidetaka

    IPC: G02B5/18 ,  B42D25/328 ,  B42D25/40 ,  G03H1/02

    Abstract: Provided are diffraction structure transfer foil that further improves usefulness of the diffraction structure transfer foil in authenticity determination by allowing a greater variety of diffracted-light patterns to be observed, and a forgery prevention medium using the diffraction structure transfer foil. The diffraction structure transfer foil (21) includes a transfer foil substrate (1), a peeling-off protective layer (2) that is laminated on one surface of the transfer foil substrate (1), a laminated body for diffracted-light delivery (13a) that is laminated on the peeling-off protective layer (2), and an adhesive layer (9) that is laminated on the laminated body for diffracted-light delivery (13a). The laminated body for diffracted-light delivery (13a) includes a diffraction structure forming body in which a plurality of diffraction structures (4 and 7) are formed, and a reflective layer (5a or 8a) that is formed in accordance with each of the plurality of diffraction structures (4 and 7). A transmission density of one reflective layer (5a) of the plurality of reflective layers (5a and 8a) is in a range of 0.01 to 0.9, and a transmission density of the other reflective layer (8a) is 1.0 or greater.

    Abstract translation: 提供了通过允许观察更多种衍射光图案以及使用衍射结构转印箔的防伪介质，进一步提高衍射结构转印箔在真实性确定中的有用性的衍射结构转印箔。 衍射结构转印箔（21）包括转印箔基板（1），层叠在转印箔基板（1）的一个表面上的剥离保护层（2），衍射光输送层叠体 13a）层叠在剥离保护层（2）上的粘合层（9）和层叠在衍射光传递用层叠体（13a）上的粘接层（9）。 用于衍射光输送的层叠体（13a）包括其中形成有多个衍射结构（4和7）的衍射结构形成体，以及根据所述衍射结构形成的反射层（5a或8a） 多个衍射结构（4和7）。 多个反射层（5a和8a）中的一个反射层（5a）的透光密度在0.01至0.9的范围内，另一个反射层（8a）的透光密度为1.0或更大。

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