Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2007-02-20
2007-02-20
Hjerpe, Richard (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S094000, C345S096000, C345S208000, C345S209000, C345S210000
Reexamination Certificate
active
10239413
ABSTRACT:
The present invention concerns a method and a device (30) for controlling a multiplexed display comprising a plurality of pixels arranged in lines and in columns and coupled to line electrodes and column electrodes, each of the pixels being selectively activated or deactivated by a determined combination of a line signal (BP1to BP24) and of a column signal (FP1to FP5) applied respectively across the corresponding line and column electrodes.According to the present invention, the display is switched between a first so-called normal operating mode, wherein all the display lines are activated, and at least a second so-called standby operating mode, wherein so-called non-active lines of the display are deactivated by applying, across the corresponding line electrodes, so-called non-activation line signals. During the passage into standby operating mode, one acts on the line signals applied across the still active lines and across the column signals such that their multiplex rate is reduced in proportion to the number of nonactive lines.
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Grosjean Sylvain
Ponzetta Antonio Martino
Ramos Francisco
EM Microelectronic-Marin SA
Hjerpe Richard
Shapiro Leonid
Sughrue & Mion, PLLC
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