Display apparatus

Details Display apparatus Display apparatus

1993-04-29

1997-01-07

Tung, Kee M.

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

055921914

ABSTRACT:
A display apparatus includes a display panel having a matrix electrode arrangement of intersecting scanning lines and data lines, a driving voltage generating means for supplying voltages to be applied to scanning lines to a scanning line driving means for driving scanning lines, as well as voltages to be applied to data lines to a data line driving means for driving data lines, at least one voltage level being supplied to the scanning and to the data line driving means, a switching means for turning on or off an electrical connection between the driving voltage generating means to a power source for supplying or disconnecting power to the driving voltage generating means, and a control means for controlling the scanning line driving means and the data line driving means such that a scanning signal voltage is applied to a scanning line to scan the same while a data signal voltage corresponding to image data is applied to a data line when the switching means is on, such that the one voltage level is supplied to the scanning line driving means and to the data line driving means after the switching means is turned off.

REFERENCES:
patent: 4748444 (1988-05-01), Arai
patent: 4938574 (1990-07-01), Kaneko et al.
patent: 5155613 (1992-10-01), Sakayori

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