Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1997-03-20
1998-07-21
Luu, Matthew
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345 94, G09G 336
Patent
active
057840415
ABSTRACT:
The driving circuit of this invention for a display device for displaying a plurality of gray levels in accordance with digital data including a first bit portion and a second bit portion includes: a first voltage dividing circuit for dividing a plurality of gray level voltages so as to generate a plurality of first interpolation voltages between the plurality of gray level voltages; a first selection circuit for selecting a first voltage and a second voltage different from the first voltage among the plurality of gray level voltages and the plurality of first interpolation voltages in accordance with the first bit portion of the digital data; a second voltage dividing circuit for dividing the first voltage and the second voltage so as to generate a plurality of second interpolation voltages between the first voltage and the second voltage; and a second selection circuit for selecting one voltage among at least one of the first voltage and the second voltage and the plurality of second interpolation voltages.
REFERENCES:
patent: 5532718 (1996-07-01), Ishimaru
Okada et al, "Development of a Low Votage Source Driver for Large TFT-LCD System for Computer Applications", IEEE, pp. 111-114, 1991.
Eto Sunao
Hashimoto Mikio
Okada Hisao
Luu Matthew
Sharp Kabushiki Kaisha
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