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US 5,317,409 AGranted
Projection television with LCD panel adaptation to reduce moire fringes
AssigneeNorth American Philips Corporation
InventorStephen Macocs
Life of this patent
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Abstract
A diagonally oriented LCD panel is used in a rear screen LCD projection television to reduce moire fringes on the display.
Claims8
A rear screen LCD projection television comprising
- a lenticular screen having a plurality of lenticulars;
- an LCD panel including a plurality of addressable pixels, which pixels are addressed according to a plurality of scan lines;
- and
- an optical path connecting the LCD panel to the lenticular screen, the path being such that the scan lines, when incident on the lenticular screen, are perpendicular to the lenticulars;
- characterised in that
- the pixels of the LCD panel are shaped so that no interpixel region produces a light pattern which, when incident on the lenticular screen, is parallel to the lenticulars, whereby moire fringes on the lenticular screen are reduced.
3 more elements
Dependencies are inferred from the claim text.