Touch input device

An electronic device, comprising:

• a display panel;
• a sensor including:
• a plurality of driving electrodes;
• and
• a plurality of receiving electrodes disposed to interleave the plurality of driving electrodes, and electrically insulated from the plurality of driving electrodes, and
• a circuitry connected to the plurality of driving electrodes and the plurality of receiving electrodes,
• wherein at least one of the plurality of driving electrodes includes:
• a first driving electrode;
• and
• a second driving electrode disposed adjacent to the first driving electrode, and electrically insulated from the first driving electrode,
• wherein at least one of the plurality of receiving electrodes is configured to:
• output a first detection signal including first capacitance information associated with the first driving electrode when a first driving signal is applied to the first driving electrode by the circuitry, and
• output a second detection signal including second capacitance information associated with the second driving electrode when a second driving signal is applied to the second driving electrode by the circuitry,
• wherein the circuitry is configured to output a third detection signal corresponding to a subtraction based on the first detection signal and the second detection signal, and
• wherein the circuitry is configured to drive the at least one of the plurality of driving electrodes in a second time period different from a first time period in which a plurality of horizontal synchronization signals are applied to the display panel.

An electronic device, comprising:

• a display panel;
• a sensor including:
• a plurality of driving electrodes;
• and
• a plurality of receiving electrodes disposed to interleave the plurality of driving electrodes, and electrically insulated from the plurality of driving electrodes, and
• a circuitry connected to the plurality of driving electrodes and the plurality of receiving electrodes,
• wherein at least one of the plurality of driving electrodes includes:
• a first driving electrode;
• and
• a second driving electrode disposed adjacent to the first driving electrode, and electrically insulated from the first driving electrode,
• wherein at least one of the plurality of receiving electrodes is configured to:
• include first capacitance information associated with the first driving electrode when a first driving signal is applied to the first driving electrode by the circuitry, and
• include second capacitance information associated with the second driving electrode when a second driving signal is applied to the second driving electrode by the circuitry, and
• wherein the circuitry is configured to output a detection signal based on the first capacitance information and the second capacitance information, and
• wherein the circuitry is configured to:
• drive the at least one of the plurality of driving electrodes in synchronization with at least one horizontal synchronization signal applied to the display panel, and
• drive the at least one of the plurality of driving electrodes for a predetermined period of time after the horizontal synchronization signal starts to be applied to the display panel.

An electronic device, comprising:

• a display panel;
• a sensor including:
• a plurality of driving electrodes;
• and
• a plurality of receiving electrodes disposed to interleave the plurality of driving electrodes, and electrically insulated from the plurality of driving electrodes, and
• a circuitry connected to the plurality of driving electrodes and the plurality of receiving electrodes,
• wherein at least one of the plurality of driving electrodes includes:
• a first driving electrode;
• and
• a second driving electrode disposed adjacent to the first driving electrode, and electrically insulated from the first driving electrode,
• wherein at least one of the plurality of receiving electrodes is configured to:
• include first capacitance information associated with the first driving electrode when a first driving signal is applied to the first driving electrode by the circuitry, and
• include second capacitance information associated with the second driving electrode when a second driving signal is applied to the second driving electrode by the circuitry, and
• wherein the circuitry is configured to output a detection signal based on the first capacitance information and the second capacitance information, and
• wherein the circuitry is configured to drive the at least one of the plurality of driving electrodes in a second time period different from a first time period in which a plurality of horizontal synchronization signals are applied to the display panel.