Abstract: In an identification medium for identifying an authenticity of an object either visually or optically by using an identification device, high polymer cholesteric liquid crystal is applied onto the object, onto a sticker adapted to affixed to the object or onto a base for hot stamping onto the object, and the high polymer cholesteric liquid crystal is patterned, and/or a graphic representation layer such as a figure and letter is formed under or over the high polymer cholesteric liquid crystal to enhance the aesthetic quality of the identification medium or the object, and improve the capability to identify and prevent forgery.
Type:
Application
Filed:
June 19, 2002
Publication date:
July 17, 2003
Applicant:
NHK Spring Co., Ltd., a corporation of Japan