基本信息:
- 专利标题: 시야각에 따른 광학 효과를 나타내는 광학 효과층, 그의 제조를 위한 방법 및 장치, 광학 효과층을 갖는 물품, 및 그의 용도
- 专利标题(英):Optical effect layers showing a viewing angle dependent optical effect, processes and devices for their production, items carrying an optical effect layer, and uses thereof
- 专利标题(中):光学效果层显示视角依赖光学效应,其生产过程和设备,携带光学效应层的物品及其用途
- 申请号:KR1020157015972 申请日:2013-12-20
- 公开(公告)号:KR1020150102980A 公开(公告)日:2015-09-09
- 发明人: 슈미트마티에우 , 로지노브에브게니 , 데스플란트클라우데알렌 , 드고피에르
- 申请人: 시크파 홀딩 에스에이
- 申请人地址: Avenue de Florissant **, Prilly, Switzerland
- 专利权人: 시크파 홀딩 에스에이
- 当前专利权人: 시크파 홀딩 에스에이
- 当前专利权人地址: Avenue de Florissant **, Prilly, Switzerland
- 代理人: 특허법인 광장리앤고
- 优先权: EP131506933 2013-01-09
- 国际申请: PCT/EP2013/077698 2013-12-20
- 国际公布: WO2014108303 2014-07-17
- 主分类号: B41M3/14
- IPC分类号: B41M3/14 ; B05D3/00 ; B42D25/369
The present invention relates to the field of protection of security documents, such as banknotes and ID from the counterfeiting and piracy. In particular, the present invention is the use of optical effect layer (OEL), an apparatus for the production of the OEL and method, as well as articles having the OEL, as an anti-counterfeiting means on the article the optically effective layer exhibiting an optical effect of the field of view It relates. OEL includes a plurality of non-spherical magnetic or chair Mars particles dispersed in the coating composition comprising a binder material, OEL comprises a region of at least two loop-shaped common center region of the enclosed area of the innermost loop- in the area of and nested around each of the loop shape, and a normal to the OEL layer and in the cross-section extending to the outer periphery of the outermost loop-shaped region from the center of the central region, and the particles in each of the cross-sectional area of the loop-shaped region the at least a portion of the longest axis of the virtual circle or an ellipse, or a plurality of non-spherical magnetic particles chair Mars to follow the tangent line of the curved portion in a curved or a positive to negative is oriented.