SECURITY DEVICE USING LIGHT REFLECTION PROPERTY

• Main Authors: CHOI, Hye Jun, KIM, Su Dong, CHOE, Won Gyun, KIM, Hong Keon, KIM, Hyun Soo, KIM, E Den
• Format: Patent
• Language: English; French; Korean
• Published: 23.04.2020
• Subjects: BOOK COVERS; BOOKBINDING; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR; FILES; LOOSE LEAVES; MOVABLE-STRIP WRITING OR READING APPARATUS; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PERFORMING OPERATIONS; PHYSICS; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR; SPECIAL PRINTED MATTER; TRANSPORTING

The present invention relates to a security device comprising a colloidal crystal which exhibits excellent visibility and is also easily manufactured. The security device, according to the present invention, comprises: a substrate; a groove part formed on the substrate; a colloidal crystal positioned in the groove part; and an aging film. The security device, according to the present invention, exhibits excellent security and visibility, and thus may be used for securities, credit cards, security cards, anti-forgery products, etc. La présente invention concerne un dispositif de sécurité comprenant un cristal colloïdal qui présente une excellente visibilité et qui est aussi fabriqué facilement. Le dispositif de sécurité, selon la présente invention, comprend : un substrat; une partie de rainure formée sur le substrat; un cristal colloïdal positionné dans la partie de rainure; et un film de vieillissement. Le dispositif de sécurité, selon la présente invention, présente une excellente sécurité et une excellente visibilité, et peut ainsi être utilisé pour des titres, des cartes de crédit, des cartes de sécurité, des produits anti-falsification, etc. 본 발명은 시인성이 뛰어나면서도 제조가 용이한 콜로이드 결정을 포함하는 보안 디바이스에 관한 것이다. 본 발명의 보안 디바이스는 기판, 기판에 형성된 홈부, 홈부에 위치하는 콜로이드 결정 및 에이징 필름을 포함하는 것을 특징으로 한다. 본 발명의 보안 디바이스는 보안성 및 시인성이 뛰어나, 유가증권, 신용카드, 보안카드, 위조방지용 제품 등에 활용 가능하다.