Abstract: There are provided volume holograms and combinations of lenticular lenses and holograms in particular for security applications. In embodiments, a volume hologram comprises a holographic medium (102) including a first optical interference structure which, upon illumination, replays a first image (110); wherein the first image includes a lenticular lens layer (111) including an array of lenticules and a lenticular image layer (113) including first (114) and second (115) interlaced images corresponding with the array of lenticules.
Type:
Grant
Filed:
October 22, 2018
Date of Patent:
October 10, 2023
Assignee:
H010 Limited
Inventors:
Charles Franklin Gale, Martin John Richardson