Title:
DISPLAY BODY
Document Type and Number:
WIPO Patent Application WO/2017/073611
Kind Code:
A1
Abstract:
The present invention makes it possible to achieve a high anti-counterfeit effect. This display body comprises: a light-transmitting layer having a plurality of pixels provided to one main surface thereof; and a metal layer covering said main surface. One or more of the pixels (PX) comprises a first region (R1), and one or more of the pixels (PX) comprises a second region (R2). A plurality of first grooves or ridges having individual length directions within a first angular range of -10° to +10° with respect to a first direction (D1) are provided to the first region (R1), and a plurality of second grooves or ridges having individual length directions within a second angular range of -65° to +65° with respect to a second direction (D2) perpendicular to the first direction (D1) are provided to the second region (R2). The second grooves or ridges cause a diffraction structure to be generated. The metal layer covers the second region (R2) and does not cover at least part of the first region (R1).
Inventors:
KUBO AKIRA (JP)
SAWAMURA CHIKARA (JP)
YASHIKI KAZUHIRO (JP)
SAWAMURA CHIKARA (JP)
YASHIKI KAZUHIRO (JP)
Application Number:
PCT/JP2016/081723
Publication Date:
May 04, 2017
Filing Date:
October 26, 2016
Export Citation:
Assignee:
TOPPAN PRINTING CO LTD (JP)
International Classes:
G02B5/18; B42D25/328; B42D25/40; G03H1/02; G09F3/02
Domestic Patent References:
| WO2013084960A1 | 2013-06-13 |
Foreign References:
| JP2015184532A | 2015-10-22 | |||
| JPH0821909A | 1996-01-23 |
Other References:
See also references of EP 3370095A4
Attorney, Agent or Firm:
KURATA, Masatoshi et al. (JP)
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