A display device

G - Physics – 02 – B

Patent

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Details

G02B 26/08 (2006.01) G02B 27/01 (2006.01)

Patent

CA 2393435

A display device (1) has a photon source (20) that displays an image scene in which the user perceives points at differents distances, resulting in optical stimulation of the eye's accommodative response. This is achieved by an intermediate optical system (21) forming the photons into pencils and a variable power optical system (22) positioned for convergence of the pencils. A control system (8) controls the variable power optical system (22) to modulate photon wavefront curvature according to image pixel co-ordinate and intensity data and data representing required perceived pixel distance.

L'invention porte sur un dispositif d'affichage (1) à source photonique (20) qui donne une scène d'image dans laquelle l'utilisateur perçoit des points à différents distances, ce qui produit une stimulation optique de la réponse d'accommodation de l'oeil. Pour cette réalisation, un système optique intermédiaire (21) met les photons en faisceaux pincés. Un système optique (22) à puissance variable assure de par sa position la convergence des faisceaux pincés. Un système de commande (8) commande le système optique (22) à puissance variable afin de moduler la courbure du front de faisceaux photoniques en respectant les caractéristiques d'intensité et de coordonnée des pixels d'image et en respectant les données des distances perçues des pixels.

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