Driver system of memory type gray-scale display panel

Details Driver system of memory type gray-scale display panel Driver system of memory type gray-scale display panel

1978-02-07

1980-03-11

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

340793, 340802, 340781, 365111, H04N 570

Patent

active

041930959

ABSTRACT:
A driver system of a display panel including a matrix of luminescent elements with a bi-stable operation condition comprises a circuit arrangement for combining a plurality of divided lighting periods to provide a gray-scale display and a circuit arrangement for increasing or decreasing the respective widths of the divided lighting periods in correlation with each other, whereby a control of luminance with gray-scale is provided.

REFERENCES:
patent: 3627924 (1971-12-01), Fleming et al.
patent: 3740570 (1973-06-01), Kaelin et al.
patent: 3761617 (1973-09-01), Tsuchiya et al.

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