Method for the operation of a display device having a bistable l

Details Method for the operation of a display device having a bistable l Method for the operation of a display device having a bistable l

1977-09-28

1980-07-08

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

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

340789, 340811, G06F 314

Patent

active

042120101

ABSTRACT:
An improved method of operating a display device having a bistable liquid crystal layer disposed in a conductor matrix consisting of rows and columns characterized by applying the various signals as a sequence of elementary pulses and during the addressing of a row, erasing the plurality of the next following rows. The method utilizes a two-phase write-in technique which produces images having a good optical quality and enables utilizing integrated circuits.

REFERENCES:
patent: 3922667 (1975-11-01), Ueda et al.
patent: 3936815 (1976-02-01), Kogure
patent: 3955187 (1976-05-01), Bigelow
patent: 3982239 (1976-09-01), Sherr
patent: 3995942 (1976-12-01), Kawakami et al.
patent: 4044346 (1977-08-01), Akahane et al.
patent: 4048633 (1977-09-01), Sano

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