Backlighting system for a 2d/3d autostereoscopic multiview...

G - Physics – 02 – F

Patent

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G02F 1/1335 (2006.01) G02B 27/22 (2006.01) H04N 13/04 (2006.01)

Patent

CA 2742984

The backlight system of the invention creates illumination behind a liquid crystal or other transparent display. In one mode of operation it produces a series of precise, thin slanted lines with dark space in between which are used to make multiple perspective views, displayed simultaneously on the LCD, visible from a series of horizontally spaced viewing zones spaced in front of the display. In another mode of operation, it produces even diffuse illumination similar to that generated by conventional backlights, allowing the LCD to display conventional 2D images.

L'invention porte sur un système de rétroéclairage qui crée un éclairage derrière un cristal liquide ou un autre dispositif d'affichage transparent. Dans un mode de fonctionnement, il produit une série de lignes inclinées minces, précises avec un espace sombre entre elles qui sont utilisées pour réaliser de multiples vues en perspective, affichées simultanément sur le dispositif d'affichage à cristaux liquides (LCD), visibles depuis une série de zones de visualisation espacées horizontalement, espacées en avant du dispositif d'affichage. Dans un autre mode de fonctionnement, il produit un éclairage même diffus similaire à celui généré par les rétroéclairages classiques, permettant au LCD d'afficher des images en 2D classiques.

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