LCD panel CMOS display circuit

Details LCD panel CMOS display circuit LCD panel CMOS display circuit

1985-11-21

1988-05-31

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340765, 350332, 350333, G09G 336

Patent

active

047484446

ABSTRACT:
An LCD panel display circuit for AC-driving a LCD panel with using a plurality of bias voltages has a display data interrupting circuit and an operation mode switching circuit, and the liquid crystal display panel includes a plurality of display cells having a plurality of X and Y electrodes arranged in a matrix form. The display data interrupting circuit interrupts the display data transmitted to the X and Y electrodes of the LCD panel in the operation mode thereof in which all of the display cells are in an inactive state. The operation mode switching circuit generates a control signal for allowing the same voltage to be applied to all of the X and Y electrodes of the LCD panel.

REFERENCES:
patent: 3653745 (1972-04-01), Mao
patent: 4127848 (1978-11-01), Shanks
patent: 4386352 (1983-05-01), Nomomara et al.
patent: 4604617 (1986-08-01), Morozumi
patent: 4626841 (1986-12-01), Togashi
patent: 4630122 (1986-12-01), Morokawa
patent: 4633242 (1986-12-01), Sekiya

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