Liquid crystal display device

Details Liquid crystal display device Liquid crystal display device

1980-03-17

1983-04-19

Corbin, John K.

Communications: electrical

Land vehicle alarms or indicators

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

350332, 340765, 340802, G02F 113

Patent

active

043803717

ABSTRACT:
A plurality of character forming segments are affixed to one surface of a front and back plate of a liquid crystal device. Three conductors affixed to one of the plates are each coupled to approximately one-third of the segment electrodes affixed to that plate. A plurality of conductors are affixed to the other plate and are each coupled to three of the segment electrodes affixed to that plate. Liquid crystal material is disposed between the two plates. By making use of the display device and a disclosed keyboard scanning circuit, an eight character position liquid crystal display device and a keyboard may be coupled to an electronic calculator chip disposed in a standard twenty-eight pin package.

REFERENCES:
patent: 4113361 (1978-09-01), Nakano
patent: 4142182 (1979-02-01), Kmetz
A. R. Kmetz, "Twisted Nematic Displays for Multiplexing", Society for Information Displays 1976 Digest, vol. 3 (May 1976) pp. 36-37.

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