Image display body and image formation method
US7884983B2 · kind B2 · utility
2Cited by
2References
2Claims
0Family size
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Key dates
| Filing date | Mar 13, 2006 |
| Grant date | Feb 8, 2011 |
| Priority date | — |
| Expiry date | Nov 18, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB44F1/08
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.