US 12,111,483 B2
Display, transfer foil, adhesive label, and article having display
Yuko Masunaga, Tokyo (JP); Akira Nagano, Tokyo (JP); Yasumasa Kamata, Tokyo (JP); and Hideaki Honma, Tokyo (JP)
Assigned to TOPPAN PRINTING CO., LTD., Tokyo (JP)
Filed by TOPPAN PRINTING CO., LTD., Tokyo (JP)
Filed on Jul. 27, 2020, as Appl. No. 16/939,869.
Application 16/939,869 is a continuation of application No. PCT/JP2019/001013, filed on Jan. 16, 2019.
Claims priority of application No. 2018-036534 (JP), filed on Mar. 1, 2018.
Prior Publication US 2020/0355935 A1, Nov. 12, 2020
Int. Cl. G02B 26/08 (2006.01); G02B 30/34 (2020.01); G02B 30/36 (2020.01); G03H 1/02 (2006.01); G03H 1/22 (2006.01); G03H 1/26 (2006.01); G03H 1/30 (2006.01); G09F 9/302 (2006.01)
CPC G02B 30/36 (2020.01) [G02B 30/34 (2020.01); G03H 1/0244 (2013.01); G03H 1/2202 (2013.01); G03H 1/265 (2013.01); G03H 1/30 (2013.01); G09F 9/302 (2013.01); G03H 2001/2242 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A display, comprising:
a plurality of pixels each including a wide-range display region and a narrow-range display region, wherein:
in each of the plurality of pixels,
the wide-range display region includes no diffraction grating, or includes a wide-range display diffraction grating formed of first crests or troughs curved in an arc shape and arrayed in a width direction,
the narrow-range display region includes no diffraction grating, or includes a narrow-range display diffraction grating formed of second crests or troughs curved in an arc shape and arrayed in a width direction, and
the arc formed by the first crests or troughs is a first arc or a part thereof having a first center angle, and the arc formed by the second crests or troughs is a second arc or a part thereof having a second center angle smaller than the first center angle; and
the plurality of pixels are configured to display a continuously changing image with diffracted light emerging from the wide-range display diffraction grating and diffracted light emerging from the narrow-range display diffraction grating.