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1.发明公开
公开(公告)号：EP4355584A1
公开(公告)日：2024-04-24
申请号：EP22733378.8
申请日：2022-06-10
IPC分类号： B42D25/324 , B42D25/351 , B42D25/36 , B42D25/378 , B42D25/382 , B42D25/387
CPC分类号： B42D25/324 , B42D25/351 , B42D25/36 , B42D25/378 , B42D25/382 , B42D25/387
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2.发明公开
公开(公告)号：EP4105035A1
公开(公告)日：2022-12-21
申请号：EP21179385.6
申请日：2021-06-15
IPC分类号： B42D25/324 , B42D25/351 , B42D25/36 , B42D25/378 , B42D25/382 , B42D25/387
摘要： The present invention relates to a label (1, 1', 1", 1"') for verifying authenticity of items, the label (1, 1', 1", 1''') being configured to be attached to items and comprising a plurality of focusing micro-optical elements (3) and a microparticle layer (5) comprising a plurality of luminescent and/or scattering microparticles (7), wherein the plurality of focusing micro-optical elements (3) and the microparticle layer (5) are arranged so that at least a part of light emitted and/or scattered from the plurality of luminescent and/or scattering microparticles (7) reaches the plurality of focusing micro-optical elements (3).
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3.发明公开
公开(公告)号：EP4081612A1
公开(公告)日：2022-11-02
申请号：EP20842223.8
申请日：2020-12-23
发明人： HOWARD, Ian , BUSKO, Dmitry , GAO, Guojun , KATUMO, Ngei , TURSHATOV, Andrey , RICHARDS, Bryce
IPC分类号： C09K11/77
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4.发明公开
公开(公告)号：EP4108736A1
公开(公告)日：2022-12-28
申请号：EP22180046.9
申请日：2022-06-21
发明人： HOWARD, Ian , LI, Kai , NGEI, Katumo , RICHARDS, Bryce , TURSHATOV, Andrey , BUSKO, Dmitry
IPC分类号： C09K11/77
摘要： The present invention relates to a system, method and computer-program for evaluating the photoluminescence of a photonic marker as well as to a photonic marker for security marking and to the use of the photonic marker for security marking. The photonic marker according to an aspect of the present invention comprises a host material selected from the group consisting of CaS and Ba y Sr 1-y S where 0 ≤ y ≤ 1, wherein the host material is doped with Eu 2+ .
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5.发明公开
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