Display device with total internal reflection
AssigneeTesseland, LLC
InventorsPABLO BENITEZ, JUAN CARLOS MINANO, DEJAN GRABOVICKIC, MARINA BULJAN, PABLO ZAMORA
Life of this patent
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Abstract
A display device has a display to generate a real image. An optical system has lenslets, each generating a virtual sub-image from a respective partial real image on the display, by each lenslet projecting light from the display to an eye position. The sub-images combine to form a virtual image viewable from the eye position. At least one of the lenslets is an “RXIR” lenslet, in which the light rays from the display to the eye position are deflected sequentially at least four times by a refraction (R), a reflection (X), a total internal or metallic reflection (I), and a refraction (R) in that order.
Claims16
A display device comprising:
- a display, operable to generate a real image;
- and
- an optical system, comprising one or more lenslets, arranged to generate a virtual sub-image from a respective partial real image on the display, by each lenslet projecting light from the display to an eye position;
- wherein the sub-images combine to form a virtual image viewable from the eye position;
- wherein at least one of the lenslets is such that the light rays from the display to the eye position are deflected sequentially at least four times by a refraction (R), a reflection (X), a total internal or metallic reflection (I), and a refraction (R) in that order (RXIR lenslet).
Dependencies are inferred from the claim text.