TOUCH CONTROLLER, ELECTRONIC DEVICE AND DISPLAY DEVICE INCLUDING TOUCH CONTROLLER, AND TOUCH SENSING METHOD
First Claim
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1. A display device comprising:
- a touch screen panel including a plurality of sensing units; and
a touch controller configured;
to detect first sensing values of the plurality of sensing units using a first touch sensing method when the display device is in a first mode;
to detect second sensing values of the plurality of sensing units using a second touch sensing method when the display device is in the first mode; and
to detect third sensing values of the plurality of sensing units using the second touch sensing method when the display device is in a second mode different from the first mode,wherein the first touch sensing method is different from the second touch sensing method
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Abstract
A touch sensing device includes a touch screen panel including a touch sensor configured to generate a first electrical change corresponding to a touch and a touch controller configured to detect touch position data with respect to an area on the touch screen panel associated with the touch, based on the first electrical change of the touch sensor.
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Citations
20 Claims
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1. A display device comprising:
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a touch screen panel including a plurality of sensing units; and a touch controller configured; to detect first sensing values of the plurality of sensing units using a first touch sensing method when the display device is in a first mode; to detect second sensing values of the plurality of sensing units using a second touch sensing method when the display device is in the first mode; and to detect third sensing values of the plurality of sensing units using the second touch sensing method when the display device is in a second mode different from the first mode, wherein the first touch sensing method is different from the second touch sensing method - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A touch controller comprising:
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a driving and amplifying unit comprising a negative input and a positive input, the driving and amplifying unit being configured; to apply a first driving voltage to a plurality of sensing electrodes in a first mode; to apply a second driving voltage to the plurality of sensing electrodes in a second mode different from the first mode; to receive first sensing values of a plurality of sensing units connected to the plurality of the sensing electrodes in response to the first driving voltage; and to receive second sensing values of the plurality of the sensing units in response to the second driving voltage, wherein the driving and amplifying unit is configured to apply the first driving voltage to the negative input, and configured to receive the first sensing value from the negative input. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. A touch controller comprising:
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a driving unit configured to apply a first driving voltage to a plurality of sensing electrodes connected to a plurality of sensing units in a first mode, and configured to apply a second driving voltage to the plurality of the sensing electrodes in a second mode that is different from the first mode; and an amplifying unit configured to receive first sensing values and second sensing values from the plurality of the sensing units, wherein the driving unit is configured to apply the first and second driving voltages to the negative input. - View Dependent Claims (20)
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Specification