Driving circuit and driving method
AssigneeTPK Touch Solutions (Xiamen) Inc.
InventorsMing-Chuan Lin, Wen-Hung Wang, Chuan-Chih Fu
Life of this patent
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Abstract
A driving circuit includes at least one light-emitting element, a drive line, a data line, a touch sensor, and a read line. The drive line is electrically coupled to a first terminal of the at least one light-emitting element. The data line is electrically coupled to a second terminal of the at least one light-emitting element. The drive line is electrically coupled to a first terminal of the touch sensor. The read line is electrically coupled to a second terminal of the touch sensor. The read line is electrically isolated from the data line.
Claims16
A driving circuit, comprising:
- at least one light emitting element;
- a drive line electrically coupled to a first terminal of the at least one light emitting element;
- a data line electrically coupled to a second terminal of the at least one light emitting element;
- a touch sensor, wherein the drive line is electrically coupled to a first terminal of the touch sensor;
- and
- a read line electrically coupled to a second terminal of the touch sensor, wherein the read line is electrically isolated from the data line.
A driving method for operating a driving circuit, wherein the driving circuit comprises at least one light emitting element and a touch sensor, wherein a first terminal of the at least one light emitting element is electrically coupled to a first terminal of the touch sensor, wherein a second terminal of the at least one light emitting element is electrically isolated from a second terminal of the touch sensor, and wherein the driving method comprises:
- during an emission period, providing a drive signal to the first terminal of the at least one light emitting element and the first terminal of the touch sensor to drive the at least one light emitting element and charge the touch sensor;
- and
- during a sensing period, receiving a sensing signal from the second terminal of the touch sensor, wherein the emission period overlaps the sensing period.
A driving method for operating a driving circuit, wherein the driving circuit comprises at least one light emitting element and a touch sensor, wherein a first terminal of the at least one light emitting element is electrically coupled to a first terminal of the touch sensor, wherein a second terminal of the at least one light emitting element is electrically isolated from a second terminal of the touch sensor, and wherein the driving method comprises:
- during an emission period, providing a drive signal to the first terminal of the at least one light emitting element and the first terminal of the touch sensor to drive the at least one light emitting element and charge the touch sensor;
- during a sensing period, receiving a sensing signal from the second terminal of the touch sensor;
- and
- during a reset period, providing a reset signal to the second terminal of the touch sensor to reset a voltage level of the touch sensor.
A driving circuit, comprising:
- at least one first light emitting element;
- at least one second light emitting element;
- at least one third light emitting element;
- a plurality of drive lines, comprising a first drive line electrically coupled to a first terminal of the at least one first light emitting element, a second drive line electrically coupled to a first terminal of the at least second first light emitting element, and a third drive line electrically coupled to a first terminal of the at least third first light emitting element;
- a plurality of data lines electrically coupled to a second terminal of the at least one first light emitting element, a second terminal of the at least one second light emitting element, and a second terminal of the at least one third light emitting element, respectively;
- and
- a plurality of first electrodes, wherein the first drive line is electrically coupled to a first one of the first electrodes, the second drive line is electrically coupled to a second one of the first electrodes, and the third drive line is electrically coupled to a third one of the first electrodes.
Dependencies are inferred from the claim text.