Display device having plural groups of interconnected segment el

Details Display device having plural groups of interconnected segment el Display device having plural groups of interconnected segment el

1983-03-25

1990-04-03

Brigance, Gerald

Communications: electrical

Land vehicle alarms or indicators

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

G09G 300

Patent

active

049147307

ABSTRACT:
Segment groups each comprising at most three segments are rendered free of the display mode in which two out of the three segments in each respective group are rendered unresponsive and the remaining segment responsive, and segment electrodes of these three segments being electrically interconnected and disposed in confronting relation to different common electrodes for being driven by supplied voltages. The display device of such a construction has a high operational margin, can be operated in a wide temperature range, and has a high display contrast and high response speed.

REFERENCES:
patent: 4099073 (1978-07-01), Hashimoto
patent: 4113361 (1978-09-01), Nakano
patent: 4119367 (1978-10-01), Raynes
patent: 4121203 (1978-10-01), Edwards
patent: 4142182 (1979-02-01), Kmetz
patent: 4250503 (1981-02-01), Shanks
patent: 4308534 (1981-12-01), Yamamoto
patent: 4429304 (1984-01-01), Fujita
Twisted Nematics Displays for Multiplexing, Allan Kmetz, SID 76 Digest, p. 36.

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