Driving method for touch panel and touch-sensing device using the same

摘要

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.

主权项

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; providing a driving signal from the driving circuit to the electrodes having the first operational configuration during one of the sub-frame periods; reading sub-frame sensing values by the driving circuit from the electrodes having the second operational configuration during the same one of the sub-frame periods; and providing a shield potential from the driving circuit to the electrodes having the third operational configuration during the same 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.