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US 2019/0095042 A1Published application
Panel-driving device and touch-driving device
AssigneeSilicon Works Co., Ltd.
InventorsYong Sung AHN, Jeong LEE, Jun Tak JEON
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Abstract
Provided is a technology for generating a sensor-driving waveform using a waveform generator, generating a sensor-driving signal and a sensor-driving auxiliary signal according to the sensor-driving waveform, and providing the same to a sensor electrode and adjacent electrodes.
Claims15
A panel-driving device for driving a panel including a plurality of pixels, a plurality of data lines, a plurality of gate lines, and a plurality of sensor electrodes, the panel-driving device comprising:
- a waveform generator configured to generate a sensor-driving waveform;
- a touch-driving circuit configured to generate a sensor-driving signal according to the sensor-driving waveform and to supply the sensor-driving signal to at least one sensor electrode;
- and to generate a first sensor-driving auxiliary signal according to the sensor-driving waveform and to supply the first sensor-driving auxiliary signal to a sensor electrode adjacent to the at least one sensor electrode;
- a data-driving circuit configured to generate a second sensor-driving auxiliary signal according to the sensor-driving waveform and to supply the second sensor-driving auxiliary signal to a data line;
- an auxiliary waveform generator configured to generate a third sensor-driving auxiliary signal having a voltage that has a predetermined difference from a voltage of the sensor-driving waveform;
- and
- a gate-driving circuit configured to supply the third sensor-driving auxiliary signal to a gate line.
4 more elements
Dependencies are inferred from the claim text.