H - Electricity – 04 – N
Patent
H - Electricity
04
N
375/48
H04N 5/70 (2006.01) G09G 3/20 (2006.01) G09G 3/30 (2006.01) H04N 3/12 (2006.01)
Patent
CA 1103822
19/4 DRIVER SYSTEM OF MEMORY TYPE GRAY-SCALE DISPLAY PANEL ABSTRACT OF THE DISCLOSURE A driver system of a display panel includ- ing a matrix of luminescent elements with 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.
296384
Gowling Lafleur Henderson Llp
Hitachi Ltd.
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