Title:
DISPLAY AND METHOD OF DETERMINING AUTHENTICITY THEREOF
Document Type and Number:
Japanese Patent JP2022065356
Kind Code:
A
Abstract:
To provide a display with high designability.SOLUTION: A display 1 provided herein comprises: a relief part 10 consisting of a relief structure 12 with a fine concavo-convex pattern provided on one surface of a light-transmissive base material 11; a light-emitting part 21 configured to emit diffused light; and a light source unit 20 equipped with a power supply 22 connected to the light-emitting part and arranged to face the relief part. The fine concavo-convex pattern has a pitch in a range of 1-300 μm, inclusive.SELECTED DRAWING: Figure 1
Inventors:
KAGOTANI AKIHITO
SUGIHARA KEITARO
TAKAHASHI SUSUMU
TOKUDA TOSHIHIKO
SUGIHARA KEITARO
TAKAHASHI SUSUMU
TOKUDA TOSHIHIKO
Application Number:
JP2020173876A
Publication Date:
April 27, 2022
Filing Date:
October 15, 2020
Export Citation:
Assignee:
TOPPAN PRINTING CO LTD
International Classes:
G09F3/02; G06K19/077; G09F3/00; G09F13/04
Attorney, Agent or Firm:
Yasushi Matsunuma
Shiro Suzuki
Yuichiro Shimizu
Makiko Otsuki
Shiro Suzuki
Yuichiro Shimizu
Makiko Otsuki