Method for increasing the resolution of a patial light modulator
AssigneeAcacia Patent Acquisition Corporation
InventorLawson Wood
Life of this patent
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Abstract
In a method for increasing the native resolution of a spatial light modulator, the light-modulating elements of the spatial light modulator are illuminated with spots of light that are smaller in size than the light-modulating elements. The spots of light are moved to different positions with respect to the light-modulating elements as different data are displayed. The light-modulating elements thus do double-duty (or triple-duty, or quadruple-duty, or more) as the spots of light are moved to different positions.
Claims9
A method for displaying a color component of an image described by video words of a frame, the video words having bits with different bit ranks, said method comprising the steps of:
- (a) for a given one of the bit ranks, actuating light-modulating elements of a spatial light modulator in accordance with values of some of the video words for the given bit rank;
- (b) exposing the spatial light modulator to a light pattern that produces spots of light that are smaller than the light-modulating elements;
- (c) for the given bit rank, actuating the light-modulating elements of the spatial light modulator in accordance with values of others of the video words for the given bit rank;
- and
- (d) exposing the spatial light modulator to the light pattern, shifted with respect to the exposure in step (b).
A method for displaying a color component of an image described by video words of a frame, the video words having bits with different bit ranks, said method comprising the steps of:
- (a) generating light having the color of the color component;
- (b) conveying the light along an optical path to an image-forming area of a digital micromirror device, the light impinging on the image-forming area from a direction perpendicular to the image forming area.
Dependencies are inferred from the claim text.