发明名称 Image display body and image formation method
摘要 An image display body in which a decorative effect is obtained more effectively by an optical diffraction structure. In an image display body, an optical diffraction structure portion constituted by the optical diffraction structure in a halftone dot state is provided in a colored region on a base material. In the image display body, a dot area percent of a halftone dot a constituting the optical diffraction structure portion to the colored region ranges from 15% to 60%, an area of each halftone dot a is smaller than 0.25 mm2. The halftone dots 21a are diffused by an error diffusion method.
申请公布号 US7884983(B2) 申请公布日期 2011.02.08
申请号 US20060908520 申请日期 2006.03.13
申请人 DAI NIPPON PRINTING CO., LTD. 发明人 FUNADA HIROSHI
分类号 G03H1/00 主分类号 G03H1/00
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