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 indicating optical effects according to the viewing angle effective layer, article with a method for their manufacture and apparatus, optical effect layer, and their use
- 专利标题(中):光学效应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; 并使用它
- 申请号:KR1020157015971 申请日:2014-01-07
- 公开(公告)号:KR1020150103670A 公开(公告)日:2015-09-11
- 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: EP131506941 2013-01-09
- 国际申请: PCT/EP2014/050161 2014-01-07
- 国际公布: WO2014108404 2014-07-17
- 主分类号: B05D3/00
- IPC分类号: B05D3/00 ; B41M3/14 ; B42D25/20 ; B42D25/23 ; B42D25/29 ; 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 provides an optical effect layer (OEL), an apparatus for the production of the OEL and method, the use of, as well as articles having the OEL, wherein as anti-counterfeiting means to the document-optic effect 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, at least in the area of the loop shape of the OEL, a plurality of non-spherical magnetic or chair at least a portion of the converted particles, their longest axis is oriented substantially parallel to the of the OEL plane, is normal to the OEL, and in a cross-section extending from the center of the central region, of the oriented particles from the area of the loop-shaped to form the body ingak of the loop-shaped longest axis negatively or the amount of curvature of the virtual circle or an ellipse in accordance with the tangent of the curved portion.