Driving device and driving method of electrophoretic display
AssigneeSeiko Epson Corporation
InventorHidetoshi Saito
Life of this patent
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Abstract
A driving device of an electrophoretic display panel having a common electrode and a plurality of divided electrodes disposed opposite to the common electrode includes: a first driving circuit that outputs a plurality of voltages corresponding to a plurality of voltage data supplied as a series of data and supplies the plurality of voltages to the plurality of divided electrodes; and a second driving circuit that outputs a voltage corresponding to supplied data and supplies the voltage to the common electrode.
Claims7
A driving device of an electrophoretic display panel, the electrophoretic display panel including:
- a common electrode;
- and
- a plurality of divided electrodes disposed opposite to the common electrode, the plurality of divided electrodes being arranged in a matrix,
- the driving device comprising:
- a first driving circuit that outputs a plurality of first voltages corresponding to a plurality of voltage data supplied as a series of data and supplies the plurality of first voltages to the plurality of divided electrodes;
- and
- a second driving circuit that outputs a second voltage and supplies the second voltage to the common electrode,
- wherein the second driving circuit changes the second voltage while the first driving circuit does not output the plurality of first voltages.
A driving method of an electrophoretic display panel, the electrophoretic display panel including:
- a common electrode;
- and
- a plurality of divided electrodes disposed opposite to the common electrode, the plurality of divided electrodes being arranged in a matrix,
- the driving method comprising:
- outputting a plurality of first voltages corresponding to a plurality of voltage data supplied as a series of data and supplying the plurality of first voltages to the plurality of divided electrodes;
- outputting a second voltage corresponding to supplied data and supplying the second voltage to the common electrode;
- and
- changing the second voltage while the plurality of first voltages is not outputted.
Dependencies are inferred from the claim text.