Touch panel and image display device including the same
First Claim
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1. A self capacitance type touch panel, comprising:
- a touch driver including a plurality of touch ICs; and
a touch unit including a plurality of touch groups that are controlled by the plurality of touch ICs, respectively,wherein each of the plurality of touch groups includes a plurality of pattern electrodes, and some touch ICs selected from the plurality of touch ICs apply sensing voltages to respective corresponding touch groups at a same timing, andwherein the plurality of touch ICs that apply the sensing voltage to the respective touch groups at the same timing control the respective touch groups using sensing voltages adjusted to have the same phase and stored in advance.
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Abstract
A self capacitance type touch panel includes a touch driver including a plurality of touch ICs; and a touch unit including a plurality of touch groups that are controlled by the plurality of touch ICs, respectively, wherein each of the plurality of touch groups includes a plurality of pattern electrodes, and some touch ICs selected from the plurality of touch ICs apply sensing voltages to respective corresponding touch groups at a same timing.
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Citations
8 Claims
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1. A self capacitance type touch panel, comprising:
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a touch driver including a plurality of touch ICs; and a touch unit including a plurality of touch groups that are controlled by the plurality of touch ICs, respectively, wherein each of the plurality of touch groups includes a plurality of pattern electrodes, and some touch ICs selected from the plurality of touch ICs apply sensing voltages to respective corresponding touch groups at a same timing, and wherein the plurality of touch ICs that apply the sensing voltage to the respective touch groups at the same timing control the respective touch groups using sensing voltages adjusted to have the same phase and stored in advance. - View Dependent Claims (2, 3, 4)
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5. An image display device, comprising:
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a display panel for displaying an image; and a self capacitance type touch panel sensing a touch input, including; a touch driver including a plurality of touch ICs; and a touch unit including a plurality of touch groups that are controlled by the plurality of touch ICs, respectively, wherein each of the plurality of touch groups includes a plurality of pattern electrodes, and some touch ICs selected from among the plurality of touch ICs apply sensing voltages to respective corresponding touch groups at a same timing, and wherein the plurality of touch ICs that apply the sensing voltage to the respective touch groups at the same timing control the respective touch groups using sensing voltages adjusted to have the same phase and stored in advance. - View Dependent Claims (6, 7, 8)
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Specification