Video Display Corporation

Marcial Vidal

Haizhang Li

Duane A Haven

David K Mutchler

A display system employs an active image-generating screen () that presents a video image. The screen contains a plurality of block facets (), each containing a plurality of light-emissive modules () preferably implemented with LEDs. Each light-emissive module is configured so that the maximum intensity of that module's light emission occurs along a direction () materially non-perpendicular to the back surface () of the module's supporting body (). The modules are arranged so that their maximum light-intensity directions are largely the same. The block facets are configured to approximate a convex curved surface. The maximum light-intensity directions () of the block facets are thereby materially slanted relative to one another. Arranging the display system in this manner enables the light-processing efficiency to be very high. A motion simulator, such as a flight simulator, is formed by combining the screen with a reflective collimator ().

Display system and motion simulator typically using light-emitting diodes

A light-emissive module (), typically utilizing one or more LEDs (R,G, andB), is configured so that the maximum intensity of the module's light emission occurs along a direction () materially non-perpendicular to the back surface () of the module's supporting body (). An active image-generating screen () contains a plurality of block facets (), each containing a plurality of the light-emissive modules arranged so that their maximum light-intensity directions are largely the same. The block facets are configured to approximate a curved surface. The maximum light-intensity directions () of the block facets are thus materially slanted to one another. The image-generating screen presents a video image. A display system suitable for a motion simulator, such as a flight simulator, is formed by combining the screen with a reflective collimator ().

Motion simulator and display system typically using light-emitting diodes

A spatial light modulator contains a substrate (), a plurality of overlying liquid-crystal cells (), a plurality of respectively corresponding transistors (), an electron-beam system (and), and a control component (). Each transistor is in electrical communication with the corresponding liquid-crystal cell. The electron-beam system bombards each transistor with electrons that cause it to be selectively in (i) a non-conductive condition in which its channel-region electric field is substantially insufficient for conduction or (ii) a conductive condition in which its channel-region electric field is sufficient for at least partial conduction. During selected time periods when a transistor is in its conductive condition, the control component provides the transistor with a control signal that results in the polarization direction of specified light being selectively rotated in passing through the corresponding liquid-crystal cell.

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Merritt Island, FL, United States of America

Marcial Vidal