发明名称 |
PELLICOLA MULTISTRATO RAFFIGURANTE UN'IMMAGINE BIDIMENSIONALE COLORATA VISIBILE SOLO ATTRAVERSO UN FILTRO POLARIZZATORE E PROCEDIMENTO PER REALIZZARLA. |
摘要 |
<p>A film (1) depicting a colour two-dimensional image which is only visible through a polarizing filter comprises an optically active layer (2) placed over a polarizing layer (3) and configured to form said image on its face opposite the polarizing layer (3) when said face is seen through the polarizing filter; the optically active layer comprises a plurality of areas (4) arranged side by side in said face to form corresponding portions of the image, each area (4) being mechanically stressed to a predetermined intensity so that the corresponding portion of the image has a predetermined colour when seen through the polarizing filter. Also described is an apparatus (6) for making the film (1).</p> |
申请公布号 |
IT1392436(B1) |
申请公布日期 |
2012.03.09 |
申请号 |
IT2008BO00771 |
申请日期 |
2008.12.23 |
申请人 |
LUXOTTICA S.R.L. |
发明人 |
MELANI GIACOMO;TEOBALDO EMANUELE;BROEN MARTIN EDUARDO;GIROTTI ENRICO |
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