Offset projection for slim rear projection displays
AssigneeKoninklijke Philips Electronics N.V.
InventorJeffrey Shimizu
Life of this patent
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Abstract
An offset rear projection display system for displaying an image of an object as a projected image includes a projection lens optically offset from the center of the object, a screen including a light spreading layer, and a mirror disposed to reflect the projected image of the object projected by the projection lens onto the screen.
Claims21
An offset rear projection display system for displaying an image of an object as a projected image, comprising:
- a projection lens optically offset from the center of the object;
- a rear-projection screen including a light spreading layer;
- and
- a mirror disposed to reflect the projected image of the object projected by the projection lens onto the screen.
A rear projection method that displays an image display of an object onto a rear-projection screen, comprising:
- arranging a projection lens to be optically offset from the object;
- projecting an image of the object from the optically offset projection lens onto a mirror;
- and
- reflecting the image off the mirror and onto the screen.
A display system for rear-projecting an image of an object, comprising:
- a rear-projection screen;
- and
- light projection means for off-axially projecting the image of the object onto the screen.
Dependencies are inferred from the claim text.