Liquid crystal display system

Details Liquid crystal display system Liquid crystal display system

1980-05-29

1984-01-31

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

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

340719, 340798, G09G 336

Patent

active

044293054

ABSTRACT:
A matrix liquid crystal display circuit includes a selecting transistor connected to the picture element and a capacitor for each picture element of the matrix. The other picture element and capacitor terminals connect to common electrodes and the transistor gates in each row connect to a common electrode. In each column a common source line connects to the sources of the transistors and a signal sampling circuit periodically applies an image signal to the source line of each column in sequence. No amplification is used between the sampling circuit and the transistor sources. Metallic leads serve as the source lines, but other circuits and components are integrated on a common substrate.

REFERENCES:
patent: 3862360 (1975-01-01), Dill et al.
patent: 4112333 (1978-09-01), Asars et al.
patent: 4239346 (1980-12-01), Lloyd

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