DRIVING METHOD FOR TOUCH PANEL AND TOUCH-SENSING DEVICE THEREOF
First Claim
1. A driving method for a touch panel having a plurality of electrodes, wherein the electrodes are coupled to a driving circuit respectively via different electrical paths, the driving method for the touch panel comprises:
- defining a plurality of sub-frame periods in a first frame period;
converting a driving configuration for providing the driving configuration that is different from each other respectively to each of the sub-frame periods, wherein the driving configuration comprises corresponding relations of a first electrode, a second electrode and a third electrode among the electrodes which are respectively corresponding to a first operational configuration, a second operational configuration and a third operational configuration;
driving the electrodes with the driving configuration corresponding to one of the sub-frame periods by the driving circuit during the one of the sub-frame periods for obtaining at least one of sub-frame sensing values of the one of the sub-frame periods; and
integrating the sub-frame sensing values respectively obtained during the sub-frame periods by the driving circuit for obtaining a touch information of the touch panel during the first frame period.
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Abstract
A driving method for a touch panel is provided. The touch panel has a plurality of electrodes, the plurality of electrodes are coupled to a driving circuit respectively via different electrical paths. The driving method includes: defining a plurality of sub-frame periods in a first frame period; converting a driving configuration for providing the driving configuration that is different from each other respectively to each of the sub-frame periods; the driving circuit drives the electrodes respectively with the driving configuration corresponding to one of the sub-frame periods during the sub-frame periods for obtaining at least one of the sub-frame sensing values from each of the sub-frame periods; and the driving circuit integrates the sub-frame sensing values respectively obtained during the sub-frame periods for obtaining a touch information of the touch panel during the first frame period.
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Citations
13 Claims
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1. A driving method for a touch panel having a plurality of electrodes, wherein the electrodes are coupled to a driving circuit respectively via different electrical paths, the driving method for the touch panel comprises:
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defining a plurality of sub-frame periods in a first frame period; converting a driving configuration for providing the driving configuration that is different from each other respectively to each of the sub-frame periods, wherein the driving configuration comprises corresponding relations of a first electrode, a second electrode and a third electrode among the electrodes which are respectively corresponding to a first operational configuration, a second operational configuration and a third operational configuration; driving the electrodes with the driving configuration corresponding to one of the sub-frame periods by the driving circuit during the one of the sub-frame periods for obtaining at least one of sub-frame sensing values of the one of the sub-frame periods; and integrating the sub-frame sensing values respectively obtained during the sub-frame periods by the driving circuit for obtaining a touch information of the touch panel during the first frame period. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A touch-sensing device, comprising:
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a touch panel having a plurality of electrodes, wherein the electrodes at least comprise a first electrode, a second electrode and a third electrode; and a driving circuit, electrically connected to the touch panel, wherein the electrodes are coupled to the driving circuit respectively via different electrical paths;
the driving circuit defines a plurality of sub-frame periods in a first frame period;
the driving circuit converts a driving configuration for providing the driving configuration that is different from each other respectively to each of the sub-frame periods, wherein the driving configuration comprises corresponding relations of the first, the second and the third electrodes that are respectively corresponding to a first operational configuration, a second operational configuration and a third operational configuration;
the driving circuit drives the electrodes with the driving configuration corresponding to one of the sub-frame periods during the one of the sub-frame periods for obtaining at least one of sub-frame sensing values of the one of the sub-frame periods; and
the driving circuit integrates the sub-frame sensing values respectively obtained during the sub-frame periods for obtaining a touch information of the touch panel during the first frame period. - View Dependent Claims (8, 9, 10)
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11. A driving method for the touch panel, comprising:
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determining whether the touch panel is touched within a predetermined time; performing a power-saving mode if the touch panel is not touched within the predetermined time; selectively disabling a portion of the electrodes based on a power-saving setup data under the power-saving mode; selecting a first portion of the electrodes from among the electrodes not being disabled, and providing a shield potential to the first portion of the electrodes during a frame period under the power-saving mode; and selecting a second portion of the electrodes from among the electrodes not being disabled, and reading a touch information of the frame period from the second portion of the electrodes during the frame period under the power-saving mode. - View Dependent Claims (12, 13)
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Specification