Driving device, a column electrode driving semiconductor integra

Details Driving device, a column electrode driving semiconductor integra Driving device, a column electrode driving semiconductor integra

1997-05-20

2000-02-15

Nguyen, Chanh

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345100, G09G 336

Patent

active

060258225

ABSTRACT:
A column electrode driving semiconductor integrated circuit for driving column electrodes in a liquid crystal display device to be driven by a multiple line selection method wherein the liquid crystal display device has a select and output circuit which selects a specified voltage value among voltage values having the member of levels corresponding to the member of simultaneously selected row electrodes, and applies the selected voltage value to each column electrode, wherein a memory unit including a control circuit stores display data and outputs the data on each row electrode in simultaneously selected lines, and an arithmetic circuit unit including an arithmetic processing circuit receives the data outputted from the memory unit and selection data indicating a voltage pattern applied to a selected row electrode and produces by arithmetic processing information of voltages selected by the select and output circuit unit.

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patent: 5489919 (1996-02-01), Kuwata et al.
patent: 5585816 (1996-12-01), Scheffer et al.
HD 66108 (RAM-Provided 165-Channel LCD Driver for Liquid Crystal Dot Matrix Graphics, pp. 638-690.

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