Liquid crystal driver circuit

Details Liquid crystal driver circuit Liquid crystal driver circuit

1982-09-22

1985-07-16

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307296R, 307571, 340778, 340805, 340811, H03K 301, H03K 17687, G09F 900

Patent

active

045298904

ABSTRACT:
A liquid crystal driver circuit has first to fourth resistors serially connected between a positive power source terminal and a reference power source terminal, first and second MOS transistors respectively connected in parallel with the first and fourth resistors, a common electrode driver circuit for generating common electrode bias signals in accordance with common electrode selection signals, and a segment electrode driver circuit for generating segment electrode bias signals in accordance with segment data. A third switching MOS transistor is coupled between the reference power source terminal and the series circuit of the first to fourth resistors.

REFERENCES:
patent: 3388293 (1968-06-01), Petschauer
patent: 4027305 (1977-05-01), Kishimoto
patent: 4158786 (1979-06-01), Hirasawa
patent: 4242679 (1980-12-01), Morozumi et al.
patent: 4383737 (1983-05-01), Hibino et al.
patent: 4492957 (1985-01-01), Marentic

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