SECURITY PATTERN SHEET USING UV BLOCKING MATERIAL AND METHOD FOR PREPARING THE SAME

摘要

According to the present invention, a security pattern sheet comprises: a fluorescent print layer printed by using fluorescent print ink including fluorescent pigments; and a UV fluorescent matting layer stacked on the fluorescent print layer and printed by using ink for forming a security pattern. A security pattern image recognized by eyes under visible rays and a security pattern image recognized by the eyes under ultraviolet rays are different from each other. The purpose of the present invention is to enhance a security property by using a UV blocking material to form the security pattern.