A polarizer of the present disclosure includes a light control layer which includes a plurality of partitions, a transmissive unit which is provided between the partitions and includes a scattering unit thereabove, and a liquid crystal layer disposed above the partitions and the transmissive unit; and a polarizing layer bonded to the light control layer. According to the present disclosure, a structure which restricts a viewing angle is disposed below a polarizer so that information is exposed only to the user, thereby implementing a narrow viewing angle.