Variable pitch structured optical film

Details Variable pitch structured optical film Variable pitch structured optical film

G - Physics

02

B

G02B 5/00 (2006.01) F21V 5/02 (2006.01) G02B 5/02 (2006.01) G02B 5/04 (2006.01)

Patent

CA 2251252

The present invention includes a structured optical film with variable pitch peaks and/or grooves to reduce the visibility of moiré interference patterns and optical displays incorporating one or more layers of the film. The pitch variations can be over groups of adjacent peaks and/or valleys or between adjacent pairs of peaks and/or valleys.

Pellicule optique structurée présentant des crêtes et/ou des gorges d'écartement variable permettant de réduire la visibilité des motifs moirés causés par les interférences et supports optiques incluant une ou plusieurs couches de cette pellicule. Les variations d'écartement peuvent porter sur des groupes de crêtes ou de gorges ou sur l'espace entre des paires adjacentes de crêtes ou de gorges.

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