Electronic device
Provided is an electronic device including a display layer configured to operate in units of a display frame including a blank section and a data input section, a driving unit configured to output a sync signal and sense a noise value, a sensor layer configured to operate in a first sensing frame and a second sensing frame and including a plurality of sensing electrodes, and a touch driving unit configured to operate in a first mode when the noise value is less than a predetermined noise level and operate in a second mode when the noise value is greater than or equal to the predetermined noise level, wherein the touch driving unit may apply more touch driving signals to the plurality of sensing electrodes in the first mode than in the second mode.
1 . An electronic device comprising:
a display layer configured to operate in units of a display frame comprising a blank section and a data input section;
a driving unit configured to drive the display layer, output a sync signal which is activated in the blank section, and sense a noise value, based on an input image to be provided during the display frame;
a sensor layer comprising a plurality of sensing electrodes and configured to operate in a first sensing frame overlapping the data input section and in a second sensing frame overlapping the blank section; and
a touch driving unit configured to operate in a first mode in response to the noise value being less than a predetermined noise level and configured to operate in a second mode different from the first mode in response to the noise value being greater than or equal to the predetermined noise level,
wherein the touch driving unit applies more touch driving signals to the plurality of sensing electrodes in the first mode than in the second mode.
2 . The electronic device of claim 1 , wherein, in the first mode, the touch driving unit operates in a first driving mode in the first sensing frame and operates in a second driving mode different from the first driving mode in the second sensing frame.
3 . The electronic device of claim 2 , wherein operating in the first driving mode, the touch driving unit is configured to sequentially apply the touch driving signals to the plurality of sensing electrodes, respectively.
4 . The electronic device of claim 2 , wherein, in the second driving mode, the touch driving unit is configured to simultaneously apply the touch driving signals to the plurality of sensing electrodes, respectively.
5 . The electronic device of claim 2 , wherein, in the second mode, the touch driving unit operates in the second driving mode in the second sensing frame.
6 . The electronic device of claim 5 , wherein, in the second mode, the touch driving unit does not provide the touch driving signals to the plurality of sensing electrodes in the first sensing frame.
7 . The electronic device of claim 1 , wherein:
the plurality of sensing electrodes comprise a plurality of first electrodes and a plurality of second electrodes,
wherein:
each of the plurality of first electrodes extends in a first direction and is arranged in a second direction crossing the first direction; and
each of the plurality of second electrodes extends in the second direction and is arranged in the first direction.
8 . The electronic device of claim 1 , wherein:
a display refresh rate of the display layer has a first frequency; and
a touch report rate of the sensor layer has a second frequency,
wherein:
the first frequency in the first mode is lower than the second frequency; and
the first frequency in the second mode is the same as the second frequency.
9 . The electronic device of claim 1 , wherein:
the touch driving unit is configured to receive the sync signal from the driving unit; and
in response to the sync signal being activated, the touch driving unit simultaneously applies the touch driving signals to the plurality of sensing electrodes.
10 . The electronic device of claim 1 , wherein a width of the blank section is smaller than a width of the data input section.
11 . The electronic device of claim 1 , wherein a width of the second sensing frame is smaller than a width of the first sensing frame.
12 . An electronic device comprising:
a display layer configured to operate in units of a display frame comprising a blank section and a data input section;
a driving unit configured to drive the display layer, output a sync signal which is activated in the blank section, and sense a noise value, based on an input image to be provided during the display frame,
wherein the driving unit comprises a data driving unit and a gate driving unit,
wherein:
the data driving unit is configured to supply a data voltage converted based on the input image to data lines of the display layer during the data input section; and
the gate driving unit supplies a gate pulse synchronized with the data voltage to gate lines of the display layer during the data input section;
a sensor layer comprising a plurality of sensing electrodes and configured to operate in a first sensing frame overlapping the data input section and in a second sensing frame overlapping the blank section; and
a touch driving unit configured to operate in a first mode in response to the noise value being less than a predetermined noise level and configured to operate in a second mode different from the first mode in response to the noise value being greater than or equal to the predetermined noise level,
wherein the touch driving unit applies more touch driving signals to the plurality of sensing electrodes in the first mode than in the second mode.
13 . The electronic device of claim 12 , wherein the blank section is a section in which the data voltage is not provided to the display layer.
14 . The electronic device of claim 12 , wherein:
the sensor layer further is configured to operate in a third sensing frame overlapping the data input section; and
the touch driving unit is configured to operate in the first driving mode in the third sensing frame in the first mode.
15 . An electronic device comprising:
a display layer configured to operate in units of a display frame comprising a blank section and a data input section;
a driving unit configured to drive the display layer and sense a noise value, based on an input image to be provided to during the display frame; and
a sensor layer comprising a plurality of sensing electrodes and configured to operate in units of a sensing frame comprising a first sensing frame overlapping the data input section and a second sensing frame overlapping the blank section,
wherein the plurality of sensing electrodes operate in a first mode or in a second mode different from the first mode, based on the noise value,
wherein:
in the first mode, each of the plurality of sensing electrodes sequentially receives a touch driving signal in the first sensing frame and the plurality of sensing electrodes simultaneously receive the touch driving signal in the second sensing frame; and
in the second mode, the plurality of sensing electrodes simultaneously receive the touch driving signals only in the second sensing frame.
16 . The electronic device of claim 15 , wherein, in the second mode, the plurality of sensing electrodes do not receive the touch driving signals in the first sensing frame.
17 . The electronic device of claim 15 , wherein:
the driving unit is configured to output a sync signal which is activated in the blank section; and
in response to the sync signal being activated, the plurality of sensing electrodes simultaneously receive the touch driving signals.
18 . The electronic device of claim 15 , wherein:
a display refresh rate of the display layer has a first frequency; and
a touch report rate of the sensor layer has a second frequency,
wherein:
the first frequency in the first mode is lower than the second frequency; and
the first frequency in the second mode is the same as the second frequency.
19 . The electronic device of claim 15 , wherein a width of the blank section is smaller than a width of the data input section.
20 . The electronic device of claim 15 , wherein a width of the second sensing frame is smaller than a width of the first sensing frame.