Drive circuit for use in single-sided or opposite-sided type liq

Details Drive circuit for use in single-sided or opposite-sided type liq Drive circuit for use in single-sided or opposite-sided type liq

1986-12-09

1990-04-17

Miller, Stanley D.

Communications: electrical

Land vehicle alarms or indicators

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

350333, 340805, 340811, G09G 318, G09G 336, G02F 1133

Patent

active

049174681

ABSTRACT:
A drive circuit for use in a matrix type liquid crystal display unit having a liquid crytal display panel with switching elements for addressing. The switching elements are provided at picture elements disposed in a matrix type display pattern. The drive circuit includes a row electrode driver coupled not only with terminals of row electrodes provided at one side of the liquid crystal display panel but also to the terminals of the row electrodes provided at opposite sides of the liquid crytal display panel and a changeover terminal for enabling the row electrode driver to drive the terminals of the row electrodes provided at the one side of the liquid crystal display panel or to drive the terminals of the row electrodes provided at the opposite sides of the liquid crystal display panel.

REFERENCES:
patent: 4346378 (1982-08-01), Shanks
patent: 4447812 (1984-05-01), Soneda et al.
patent: 4602292 (1986-07-01), Togashi et al.
patent: 4633242 (1986-12-01), Sekiya
patent: 4651148 (1987-03-01), Takeda et al.
patent: 4679043 (1987-07-01), Morokawa
patent: 4682858 (1987-07-01), Kanbe et al.
patent: 4701799 (1987-10-01), Yoshimura
patent: 4779085 (1988-10-01), Mizutomo et al.
K. Kasahara, "A LCTV Display--with Gate Bus Drivers", pp. 96-101--IEEE--1980, (Oct. 1980).
The Kasahara et al. article, "A Liquid-Crystal Display Panel Using an MOS Array with Gate-Bus Drivers", (1981), IEEE.
"Flache Fernseh-Bildschirme Teil 1" by Albrecht Fischer, (1980).

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