Fresnel-type optical structure

Details Fresnel-type optical structure Fresnel-type optical structure

G - Physics

02

B

G02B 5/18 (2006.01) G02B 3/08 (2006.01)

Patent

CA 2464095

A multidirectional single surface optically shaped film is disclosed. The optically shaped film may include a film having only one surface structure with two or more different, overlapping Fresnel patterns formed in the structured surface for use as thin, decorative film.

L'invention concerne un film à surface optique unique multidirectionnelle. Ce film peut être constitué d'un film ne possédant qu'une structure de surface avec deux, ou plusieurs, configurations de Fresnel se recouvrant, formées dans la surface structurée, ce film étant utilisé en tant que couche mince de décoration.

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