US 12,253,691 B2
Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products
Christopher Chapman Rich, Rancho Palos Verdes, CA (US); Roger Winston Phillips, Santa Rosa, CA (US); Joel Mikael Petersen, Valley Village, CA (US); and John Michael Tamkin, Pasadena, CA (US)
Assigned to WAVEFRONT TECHNOLOGY, INC., Paramount, CA (US)
Filed by WAVEFRONT TECHNOLOGY, INC., Paramount, CA (US)
Filed on Oct. 7, 2021, as Appl. No. 17/496,581.
Claims priority of provisional application 63/088,944, filed on Oct. 7, 2020.
Prior Publication US 2022/0276501 A1, Sep. 1, 2022
Int. Cl. G02B 30/29 (2020.01); B42D 25/324 (2014.01); G03B 35/24 (2021.01); H04N 13/305 (2018.01)
CPC G02B 30/29 (2020.01) [G03B 35/24 (2013.01); H04N 13/305 (2018.05)] 15 Claims
OG exemplary drawing
 
1. An optical product comprising:
a first plurality of portions, individual ones of the first plurality of portions corresponding to a point on a surface of a first 3D object, and comprising first non-holographic features configured to produce at least part of a first 3D image of the first 3D object;
a second plurality of portions, individual ones of the second plurality of portions corresponding to a point on a surface of a second 3D object, and comprising second non-holographic features configured to produce at least part of a second 3D image of the second 3D object; and
an interference optical structure disposed with respect to said first and/or second non-holographic features.