CPC G02B 30/26 (2020.01) [B42D 25/324 (2014.10); B42D 25/342 (2014.10)] | 9 Claims |
1. A stereo imaging film, comprising:
a focusing layer comprising at least one focusing unit, wherein the at least one focusing unit each comprises a plurality of micro-nano structures; and
a graphic layer comprising at least two graphic units in a same layer, wherein the at least two graphic units each comprise a plurality of micrographics, the plurality of micrographics of the at least two graphic units have different arrangements;
wherein one of the at least one focusing unit is corresponding to the at least two graphic units, and the at least two graphic units form graphic images with different image heights through the focusing unit;
wherein the graphic layer of the stereo imaging film comprises grooves and fillers filled in the grooves, and adjacent micrographics of different graphic units have intersections located in a same groove.
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