公开(公告)号：US20180104975A1

公开(公告)日：2018-04-19

申请号：US15833700

申请日：2017-12-06

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Akira NAGANO ,  Takashi NISHIHARA ,  Kazunari MITSUI

IPC: B42D25/324 ,  B42D25/21 ,  B42D25/328 ,  B42D25/351 ,  B44F1/10 ,  G02B27/22 ,  G02B5/18

CPC classification number: B42D25/324 ,  B42D25/21 ,  B42D25/328 ,  B42D25/351 ,  B44F1/10 ,  G02B5/1842 ,  G02B27/2221

Abstract: A display includes one or more first relief structures. Each of the one or more first relief structures consists of a smooth first reflection surface and a plurality of protrusions or recesses, each top surface of the protrusions or each bottom of the recesses is a smooth second reflection surface parallel to the first reflection surface, each of the one or more first relief structures is configured to display a color as a structural color by emitting a plurality of wavelength components of visible light wavelengths in the same direction, and each of the second reflection surfaces has a height or depth relative to the first reflection surface in a range of 0.1 to 0.5 μm.