Driving Method, Driving Device and Touch Sensitive Display Device Using the Same
First Claim
1. A driving method for driving a touch sensitive display device, the touch sensitive display device comprising a plurality of pixel units and a plurality of touch sensors both arranged in matrixes, the driving method comprising:
- generating a plurality of source driving signals according to an image signal to indicate color intensities of the plurality of pixel units;
generating a plurality of scanning impulses according to a synchronization signal to indicate an updating sequence of the plurality of pixel units; and
shrinking duty cycles of the plurality of scanning impulses to generate a plurality of sensor scanning impulses for triggering the plurality of touch sensors.
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Abstract
A driving method for driving a touch sensitive display device is disclosed. The touch sensitive display device includes a plurality of pixel units and a plurality of touch sensors both arranged in matrixes. The driving method includes generating a plurality of source driving signals according to an image signal to indicate color intensities of the plurality of pixel units, generating a plurality of scanning impulses according to a synchronization signal to indicate an updating sequence of the plurality of pixel units, and shrinking duty cycles of the plurality of scanning impulses to generate a plurality of sensor scanning impulses for triggering the plurality of touch sensors.
12 Citations
10 Claims
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1. A driving method for driving a touch sensitive display device, the touch sensitive display device comprising a plurality of pixel units and a plurality of touch sensors both arranged in matrixes, the driving method comprising:
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generating a plurality of source driving signals according to an image signal to indicate color intensities of the plurality of pixel units; generating a plurality of scanning impulses according to a synchronization signal to indicate an updating sequence of the plurality of pixel units; and shrinking duty cycles of the plurality of scanning impulses to generate a plurality of sensor scanning impulses for triggering the plurality of touch sensors. - View Dependent Claims (2, 3)
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4. A driving device for driving a touch sensitive display device, the touch sensitive display device comprising a plurality of pixel units and a plurality of touch sensors both arranged in matrixes, the driving device comprising:
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a source driver, for generating a plurality of source driving signals according to an image signal to indicate color intensities of the plurality of pixel units; a gate driver, for generating a plurality of scanning impulses according to a synchronization signal to indicate an updating sequence of the plurality of pixel units; and an impulse reshape circuit, coupled to the gate driver, for shrinking duty cycles of the plurality of scanning impulses to generate a plurality of sensor scanning impulses for triggering the plurality of touch sensors. - View Dependent Claims (5, 6)
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7. A touch sensitive display device comprising:
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a panel module, comprising; a display panel, comprising; a substrate; and a plurality of pixel units, arranged in a first matrix on the substrate; and a plurality of touch sensors, arranged in a second matrix, for sensing at least one touch point according to a plurality of sensor scanning impulses to generate a plurality of response impulses; and a driving device, comprising; a source driver, coupled to the plurality of pixel units, for generating a plurality of source driving signals according to an image signal to indicate color intensities of the plurality of pixel units; a gate driver, coupled to the plurality of pixel units, for generating a plurality of scanning impulses according to a synchronization signal to indicate an updating sequence of the plurality of pixel units; and an impulse reshape circuit, coupled between the gate driver and the plurality of touch sensors, for shrinking duty cycles of the plurality of scanning impulses to generate a plurality of sensor scanning impulses for triggering the plurality of touch sensors. - View Dependent Claims (8, 9, 10)
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Specification