Polarizers coated with optically functional layers

G - Physics – 02 – B

Patent

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Details

G02B 1/10 (2006.01) G02B 5/30 (2006.01) G02F 1/1335 (2006.01)

Patent

CA 2449976

An optical stack includes an intrinsic polarizer, such as a K-type or thin KE polarizer sheet. Optically functional coatings are disposed on one or both of the surfaces of the intrinsic polarizer. The optically functional coatings include a hardcoat, a transflector coating, a reflector coating, an antireflection film, a liquid crystal polymer retarder coating, a diffusion coating, an antiglare film, a wide view film, and an electrode. An optical stack including an intrinsic polarizer and an optically functional coating may have a thickness of less than 25 microns.

Cette invention concerne un empilement optique comprenant un polariseur intrinsèque tel qu'une feuille de polarisation de type K ou de type KE mince. Des revêtements optiquement fonctionnels sont disposés sur l'une des surfaces ou sur les deux surfaces du polariseur intrinsèque. Ces revêtements optiquement fonctionnels comprennent une couche dure, un revêtement transflectif, une couche réflective, un film antiréfléchissant, un revêtement retardateur polymère à cristaux liquides, un revêtement de diffusion, un film antireflet, un film de visualisation étendue et une électrode. Cette invention concerne également un empilement optique comprenant un polariseur intrinsèque ainsi qu'un revêtement optiquement fonctionnel dont l'épaisseur peut être inférieure à 25 microns.

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