MODIFIED MARKING BASED ON CHIRAL LIQUID CRYSTAL POLYMERS
申请人:SICPA HOLDING SA
公开号:EP2509792B1
公开(公告)日:2014-07-02
MARKING COMPRISING A CHIRAL LIQUID CRYSTAL POLYMER AND A LUMINESCENT SUBSTANCE
申请人:SICPA HOLDING SA
公开号:US20170120649A1
公开(公告)日:2017-05-04
Described is a marking for a substrate. The marking comprises at least one luminescent substance (a) and at least one chiral liquid crystal polymer (CLCP) material (b) having a reflection wavelength range that overlaps at least a part of the luminescence wavelength range of (a), provided that at least a part of (b) is not located underneath (a).