Active matrix type display apparatus

Details Active matrix type display apparatus Active matrix type display apparatus

1993-03-04

1997-01-28

Hjerpe, Richard

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345211, 345 96, G09G 336

Patent

active

055981801

ABSTRACT:
An active-matrix type liquid-crystal display comprising a matrix display panel including a glass substrate, pixel electrodes formed on the substrate, signal lines formed on the substrate, gate lines formed on the substrate, and switching elements formed on the substrate, signal-line drive ICs for applying signal voltages to the signal lines, and gate-line drive ICs for driving the switching elements. The display further comprises power-supply potential control circuits for changing the first and second power-supply potentials (VDD, VSS) of the signal-line drive ICs, each by a predetermined value, in accordance with the signal voltages to be applied to the pixel electrodes.

REFERENCES:
patent: 4356483 (1982-10-01), Fujita et al.
patent: 4702560 (1987-10-01), Endo et al.
patent: 5093655 (1992-03-01), Tanioka et al.
patent: 5119085 (1992-06-01), Yamazaki
Takubo, et al., Proceedings of the 9th International Display Research Conference (Japan Display '89), Oct. 1989, pp. 584-587.

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