DISPLAY DEVICE INTEGRATED WITH TOUCH SCREEN AND DRIVING METHOD THEREOF
First Claim
1. A display device including a plurality of touch electrodes formed in a display panel in an in-cell touch type touch screen, the display device comprising:
- a plurality of first driving electrode lines connected to a plurality of driving electrodes of a first touch group of a plurality of touch groups;
a plurality of second driving electrode lines connected to a plurality of driving electrodes of a second touch group of the plurality of touch groups;
a plurality of first receiving electrode lines connected to a plurality of receiving electrodes of the first touch group;
a plurality of second receiving electrode lines connected to a plurality of receiving electrodes of the second touch group;
a touch driving IC configured to supply a touch driving signal to the plurality of first driving electrode lines and the plurality of second driving electrode lines; and
a touch sensing IC configured to sense touch signals of the plurality of first receiving electrode lines and touch signals of the plurality of second receiving electrode lines.
1 Assignment
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Accused Products
Abstract
Discussed is a display device integrated with touch screen. The display device includes a plurality of touch groups into which a plurality of touch electrodes are physically divided, a plurality of first driving electrode lines connected to a plurality of driving electrodes of a first touch group of the touch groups, a plurality of second driving electrode lines connected to a plurality of driving electrodes of a second touch group of the touch groups, a plurality of first receiving electrode lines connected to a plurality of receiving electrodes of the first touch group, a plurality of second receiving electrode lines connected to a plurality of receiving electrodes of the second touch group, a touch driving IC configured to supply a touch driving signal to the first and second driving electrode lines, and a touch sensing IC configured to sense touch signals of the first and second receiving electrode lines.
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Citations
20 Claims
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1. A display device including a plurality of touch electrodes formed in a display panel in an in-cell touch type touch screen, the display device comprising:
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a plurality of first driving electrode lines connected to a plurality of driving electrodes of a first touch group of a plurality of touch groups; a plurality of second driving electrode lines connected to a plurality of driving electrodes of a second touch group of the plurality of touch groups; a plurality of first receiving electrode lines connected to a plurality of receiving electrodes of the first touch group; a plurality of second receiving electrode lines connected to a plurality of receiving electrodes of the second touch group; a touch driving IC configured to supply a touch driving signal to the plurality of first driving electrode lines and the plurality of second driving electrode lines; and a touch sensing IC configured to sense touch signals of the plurality of first receiving electrode lines and touch signals of the plurality of second receiving electrode lines. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of driving a display device including a plurality of touch electrodes formed in a display panel in an in-cell touch type touch screen, the method comprising:
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during a display period, displaying an image in a plurality of pixels formed in the display panel; during a non-display period, supplying a touch driving signal to a plurality of driving electrodes of a first touch group among a plurality of touch groups and connected to a plurality of first driving electrode lines, and simultaneously supplying the touch driving signal to a plurality of driving electrodes of a second touch group among the plurality of touch groups and connected to a plurality of second driving electrode lines; and sensing touch signals of a plurality of receiving electrode lines of the first touch group, and simultaneously sensing touch signals of a plurality of receiving electrode lines of the second touch group. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification