Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1993-08-25
1996-12-03
Hjerpe, Richard
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345108, G09G 334
Patent
active
055812724
ABSTRACT:
A method and device for controlling the bias voltages for a split-reset spatial light modulator. Each block of the spatial light modulator can be individually controlled lowering the throughput needed to load each frame of data. Blocks are selected individually or in groups with the potential of providing one voltage condition on the selected blocks and a different voltage condition on the deselected blocks. One embodiment of the disclosed method comprises input latches and buffers 44, address decode logic 46 to determine the selected blocks, mode select logic 48 to determine the requested operation, delay circuitry 50 to minimize current loading, and level shifters 52 to convert logic signals to voltage levels appropriate to control the output drive circuitry 54.
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Conner James L.
Kornher Kevin
Overlaur Michael J.
Brill Charles A.
Donaldson Richard L.
Hjerpe Richard
Kesterson James C.
Saras Steven J.
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