Data driver generating two sets of sampling signals for sequenti

Details Data driver generating two sets of sampling signals for sequenti Data driver generating two sets of sampling signals for sequenti

1994-12-22

1997-10-28

Wu, Xiao

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 99, 345100, G09G 336

Patent

active

056821751

ABSTRACT:
A data driver for a matrix display device includes a shift register circuit for sequentially shifting a sampling start pulse in response to a clock signal to produce a plurality of sampling signals. A plurality of sample/hold circuits sample display data in response to a sampling signal supplied thereto. The driver also includes a switching circuit which transfers each of the sampling signals to an associated one of the sample/hold circuits in a sequential-sampling mode and the selected signals to the sample/hold circuits such that one of the selected sampling signals is supplied in common to at least two of the sample/hold circuits.

REFERENCES:
patent: 5061920 (1991-10-01), Nelson
patent: 5252957 (1993-10-01), Itakura
patent: 5418547 (1995-05-01), Mizukata

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