Tiled, flat-panel microdisplay array having visually imperceptib

Details Tiled, flat-panel microdisplay array having visually imperceptib Tiled, flat-panel microdisplay array having visually imperceptib

1998-07-22

1999-12-21

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Interconnection of plural cells in parallel

349 74, 349 20, G02F 1133, G02F 11347

Patent

active

060056495

ABSTRACT:
This invention describes tiling structures, methods, and circuits for making large flat-panel displays from an array of microdisplays. The inventive displays overcome the intrinsic size limits of monolithic microdisplays and allow the construction of large area, low cost, high brightness, high contrast magnified view or rear projection flat panel displays having visually imperceptible seams and are optically uniform. A structure wherein multiple microdisplay tiles are mounted on a thermally matched common substrate having inherent temperature control features is described. Additional integrated circuits such as CMOS circuits may be embedded either in the back plane of the microdisplay tiles themselves and/or in the common substrate if the common substrate is made from a suitable semiconductor material. These circuits can provide functions such pixel addressing, image control, or even complete microprocessor functions within the flat-panel display assembly itself.

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