Electro-transmissive display device

Details Electro-transmissive display device Electro-transmissive display device

1975-07-31

1977-05-17

Corbin, John K.

Communications: electrical

Land vehicle alarms or indicators

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

340336, G02F 116

Patent

active

040238903

ABSTRACT:
A digital display device for forming one or more electro-transmissive display patterns, which comprises a pair of oppositely disposed electrodes to which a signal is supplied for energization. Each of the electrodes includes a number of electro-conductive sections which are disposed with a lower distribution density at the central portion and with a higher distribution density at the contour portion. This mode of distribution of the sections gives an equivalent visual contrast to the situations in which all the sections are disposed with a uniform distribution while at the same time reducing the power consumption rate.

REFERENCES:
patent: 3600060 (1971-08-01), Churchill et al.
patent: 3837729 (1974-09-01), Harsch
patent: 3892471 (1975-07-01), Biermann et al.

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