Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1996-04-05
1997-09-16
Tung, Kee M.
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345903, G09G 336
Patent
active
056685696
ABSTRACT:
The present invention features a tiled, flat-panel, mosaic display with a luminance-correcting capability and having a seamlessness characteristic. Column and row inputs that are typically provided for a single flat panel are distributed over a number of tiles. The display is fabricated by sorting the tiles into groups, and matching their color coordinates prior to assembly. After assembly, measurements of the luminance of the display are processed to generate correction data, which is compressed into a reduced set of coefficients. A processor, located between a video controller and the display drivers for each of the tiles, has a memory containing these interpolation coefficients for correcting luminance in the tiles. A multiplicity of processing units is connected to the video controller and the processor for performing video correction in real time.
REFERENCES:
patent: 5293159 (1994-03-01), Bassetti, Jr. et al.
patent: 5523769 (1996-06-01), Lauer et al.
Greene Raymond G.
Katyl Robert H.
Krusius J. Peter
Yost Boris
Luu Matthew
Rainbow Displays Inc.
Tung Kee M.
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