LABEL FOR PRODUCT AUTHENTICATION, METHOD FOR GENERATING AUTHENTICATION CODE OF LABEL, METHOD AND SYSTEM FOR AUTHENTICATING LABEL, PORTABLE TERMINAL FOR AUTHENTICATING LABEL, AND COMPUTER-READABLE RECORDING MEDIUM FOR AUTHENTICATING LABEL

摘要

A product authentication label includes a carrier layer made of a transparent or translucent material, a plurality of first reflection pattern forming bodies disposed in the carrier layer and configured to reflect a substantially identical reflection pattern regardless of the direction of irradiated light, and a plurality of second reflection pattern forming bodies randomly disposed in the carrier layer and configured to reflect a reflection pattern which varies depending on the direction of irradiated light.