Method for fabricating a 3d display screen

Details Method for fabricating a 3d display screen Method for fabricating a 3d display screen

G - Physics

02

B

G02B 27/22 (2006.01)

Patent

CA 2518595

The invention relates to a method for converting a 2D screen into an autostereoscopic screen as well as an adapter that can be used for the conversion. According to the inventive method, a 3D screen suitable for the autostereoscopic representation of images is produced from a 2 D screen (3) that is originally used for two-dimensionally representing images and is provided with an image-reproducing area (5) and a front cover (7) which frames the image-reproducing area (5), in the following steps: the front cover (7) is removed from the 2D screen (3); an adapter comprising an optical subassembly for dividing an image represented on the image-reproducing area (5) into partial stereoscopic images is mounted such that the optical subassembly covers up the image-reproducing area (5); the optical subassembly is aligned relative to the image-reproducing area (5) in such a way that at least one of the partial stereoscopic images reaches one eye of a viewer while at least one additional partial stereoscopic image reaches the viewer's other eye, whereby said viewer perceives the represented image in a stereoscopic manner.

L'invention concerne un procédé permettant de transformer un écran 2D en écran autostéréoscopique et un adaptateur adapté à cette transformation. Selon l'invention, la production d'un écran 3D adapté à l'imagerie autostéréoscopique d'images à partir d'un écran 2D (3) destiné initialement à l'imagerie bidimensionnelle et présentant une surface de reproduction d'image (5) et une façade (7) encadrant la surface de reproduction d'image (5). Ce procédé consiste à retirer la façade (7) de l'écran 2D (3) ; à installer un adaptateur qui présente un composant optique destiné à la séparation d'une image représentée sur la surface de reproduction d'image (5) en images partielles stéréoscopiques de telle manière que le composant optique recouvre la surface de reproduction d'image (5) : à orienter le composant optique par rapport à la surface de reproduction d'image (5) de telle façon qu'au moins une image partielle stéréoscopique atteigne un oeil d'un observateur et qu'au moins une autre image partielle stéréoscopique atteigne l'autre oeil, celui-ci percevant de manière stéréoscopique l'image représentée.

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