System for generating an image
AssigneeDigiLens Inc.
InventorMilan M. Popovich
Life of this patent
Estimating the term…
Abstract
A system for generating an image comprising an illumination system having a light source and a plurality of holographic devices switchable between an active state wherein light from the light source is diffracted by the device and a passive state wherein the light is not diffracted by the device. A display device is positioned for illumination by the illumination system and operable to project a display image. The system further includes an optical projection device operable to receive the displayed image and form an intermediate image having a generally uniform illumination distribution on an optical diffuser. The diffuser is operable to project a resultant image with an emission angle larger than an emission angle of the display panel.
Claims26
An image generating system comprising:
- an illumination system comprising a light source and a plurality of holographic devices switchable between an active state wherein light from the light source is diffracted by the device and a passive state wherein said light is not diffracted by the device;
- a display device positioned for illumination by the illumination system and operable to project a display image;
- an optical projection system operable to receive said display image and form an intermediate image having a generally uniform illumination distribution;
- and
- an optical diffuser positioned such that the intermediate image is formed thereon and operable to project a resultant image with an emission angle larger than an emission angle of the display device.
An image generating system comprising:
- an illumination system comprising a plurality of lasers and a scanner operable to receive laser beams from the lasers and scan the laser beams to produce an intermediate image;
- and
- an optical diffuser positioned such that the intermediate image is formed thereon and operable to project a resultant image having a viewable angular range greater than a viewable angular range of the intermediate image, the optical diffuser comprising a plurality of switchable holographic devices.
Dependencies are inferred from the claim text.