Curved lenses configured to decode three-dimensional content

G - Physics – 02 – B

Patent

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Details

G02B 27/22 (2006.01) G02B 5/30 (2006.01)

Patent

CA 2753606

Curved lenses configured to decode three dimensional content and method of fabricating the same. The lenses comprise a polyvinylalcohol polarizer film laminated with triacetate on both sides, wherein the polarizer film has a polarizing efficiency equal to or exceeding 99% and a transmittance percentage equal to or exceeding 35% and a retarder film (e.g., norbornene copolymer resin) laminated on a front surface of the polyvinylalcohol polarizer film laminated with triacetate and aligned to produce a desired circular polarization responsive to specified retardation wavelengths.

L'invention porte sur des lentilles incurvées configurées pour décoder un contenu en trois dimensions et sur leur procédé de fabrication. Les lentilles comportent un film polariseur de poly(alcool de vinyle) stratifié avec du triacétate des deux côtés, le film polariseur ayant une efficacité de polarisation égale ou supérieure à 99 % et un pourcentage de facteur de transmission égal ou supérieur à 35 % et un film à retard (par exemple une résine de copolymère de norbornène) stratifié sur une surface avant du film polariseur de poly(alcool de vinyle) stratifié avec du triacétate et aligné pour produire la polarisation circulaire voulue en réponse à des longueurs d'onde de retard spécifiées.

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