Title:
COLORING STRUCTURE, DISPLAY BODY, COLORING SHEET, MOLDING, AND METHOD FOR MANUFACTURING COLORING STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2018/131665
Kind Code:
A1
Abstract:
The coloring structure according to the present invention is provided with an uneven layer having an uneven structure on the surface thereof, a multilayer film layer positioned on the uneven layer and having a surface shape that follows the uneven structure, and a protective layer for covering the surface of the multilayer film layer. Protrusions constituting the uneven layer have a shape having one or more levels, a pattern formed by a projected image of the protrusions in a virtual plane on which the uneven structure is projected in the thickness direction of the uneven layer includes a pattern comprising a plurality of rectangular aggregates in which the length thereof along a second direction is equal to or greater than the length thereof along a first direction, the length along the first direction of the rectangular shape being equal to or less than a sub-wavelength, and the standard deviation of the length along the second direction in the plurality of rectangular shapes being greater than the standard deviation of the length along the first direction.
Inventors:
YOSHIMURA MAI (JP)
SAKAI KYOKO (JP)
ICHIHARA YOKO (JP)
KAWASHITA MASASHI (JP)
MINAMIKAWA NAOKI (JP)
SAKAI KYOKO (JP)
ICHIHARA YOKO (JP)
KAWASHITA MASASHI (JP)
MINAMIKAWA NAOKI (JP)
Application Number:
PCT/JP2018/000545
Publication Date:
July 19, 2018
Filing Date:
January 11, 2018
Export Citation:
Assignee:
TOPPAN PRINTING CO LTD (JP)
International Classes:
G02B5/18; B32B3/30; B32B7/02; G02B5/28
Foreign References:
| JP2005153192A | 2005-06-16 | |||
| JP2008083599A | 2008-04-10 | |||
| JP2008006716A | 2008-01-17 | |||
| JP2014102320A | 2014-06-05 | |||
| JP2005316097A | 2005-11-10 | |||
| JP2005153192A | 2005-06-16 |
Other References:
See also references of EP 3570079A4
Attorney, Agent or Firm:
ONDA, Makoto et al. (JP)
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