Display device

G - Physics – 02 – B

Patent

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G02B 27/22 (2006.01)

Patent

CA 2220466

A display device comprising means (2) for generating one or more viewable images; means (9) for generating one or more viewing zones for viewing the viewable images; and an optical element (1) with positive optical power. The elements are arranged and constructed such that the optical element forms a real image of the or each viewing zone and a virtual image of the or each viewable image whereby the or each virtual image is visible to a viewer only when a light ray can be traced from the viewer's eye through the real image of an associated viewing zone, the optical element and the viewable image. The display may be an autostereoscopic display.

Ce dispositif d'affichage comprend un système (2) produisant une ou plusieurs images regardables, un système (9) produisant une ou plusieurs zones de vision premettant de voir ces images regardables, et un élément optique (1) à puissance optique positive. Cet ensemble est disposé et fabriqué de manière que l'élément optique forme une image réelle de la zone ou de chaque zone de vision et une image virtuelle de l'image ou de chaque image regardable, de façon que toute image virtuelle ne soit visible pour un spectateur que lorsqu'un rayon lumineux peut être détecté depuis son oeil après être passé à travers l'image réelle d'une zone de vision associée, l'élément optique et l'image regardable. Ce dispositif d'affichage peut être autostéréoscopique.

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