Invisible pattern contained plastic label

Abstract

An invisible pattern contained plastic label has a surface on which a plurality of sharp tip bodies is formed and successively arranged in a matrix. Each of the sharp tip bodies has at least first and second sides each forming a slope. A first pattern is formed on the slopes of the first sides of the sharp tip bodies, and a second pattern is formed on the slopes of the second sides of the sharp tip bodies. Each of the patterns has a reference plane that shows a difference in depth with respect to a surface of the respective slope. The surfaces of the slopes and the patterns formed thereon are of different roughness so as to form an arrangement of showing multiple patterns, which provides a displaying result of showing variable multi-layered perception of invisible patterns to thereby improve product quality.

Dependencies are inferred from the claim text.