Electronic device with improved sensing sensitivity through noise reduction
AssigneeSamsung Display Co., Ltd.
InventorSanghyun Lim
Life of this patent
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Abstract
Provided is an electronic device including a sensor layer, and a sensor driver configured to drive the sensor layer and selectively operate in a first mode for sensing touch inputs or a second mode for sensing pen inputs. The sensor layer includes a plurality of first electrode groups arranged along a first direction, and a plurality of second electrode groups arranged along a second direction crossing the first direction and crossing the plurality of first electrode groups. Each of the plurality of second electrode groups include a first cross electrode and a second cross electrode, and in the second mode, the sensor driver is configured to receive a first signal from the first cross electrode and a second signal from the second cross electrode.
Claims35
An electronic device comprising:
- a sensor layer;
- and
- a sensor driver configured to drive the sensor layer and selectively operate in a first mode for sensing touch inputs or a second mode for sensing pen inputs,
- wherein the sensor layer includes:
- a plurality of first electrode groups arranged along a first direction;
- and
- a plurality of second electrode groups arranged along a second direction crossing the first direction, and crossing the plurality of first electrode groups, each of the plurality of second electrode groups including a first cross electrode and a second cross electrode,
- wherein in the second mode, the sensor driver senses the pen inputs based on a first signal received from the first cross electrode and a second signal received from the second cross electrode.
An electronic device comprising:
- a sensor layer;
- and
- a sensor driver for driving the sensor layer,
- wherein the sensor layer includes:
- a plurality of electrode groups, at least one of which includes a first cross electrode and a second cross electrode that together form an elongated structure including a first end and a second end opposite the first end;
- and
- a plurality of trace lines electrically connected to the plurality of electrode groups, the plurality of trace lines including a first cross trace line connected to the first cross electrode at a connection point closer to the first end than the second end and a second cross trace line connected to the second cross electrode at a connection point closer to the second end than the first end,
- wherein the first cross trace line is spaced from the second cross trace line in a first direction.
A display device comprising:
- a sensor layer;
- and
- a sensor driver for driving the sensor layer,
- wherein the sensor layer includes:
- a plurality of electrode groups;
- and
- a plurality of trace lines electrically connected to the plurality of electrode groups,
- at least one of the plurality of electrode groups includes a first cross electrode and a second cross electrode, each aligned along a same axis oriented in a first direction,
- the first cross electrode comprises a plurality of first sensing patterns arranged in the first direction, the second cross electrode comprises a plurality of second sensing patterns arranged in the first direction, and at least one of the plurality of first sensing patterns and at least one of the plurality of second sensing patterns are alternately arranged, and
- one of the plurality of first sensing patterns is disposed at a first end of the at least one electrode group, and one of the plurality of second sensing patterns is disposed at a second end of the at least one electrode group.
An electronic device comprising:
- a sensor layer;
- and
- a sensor driver electrically connected to the sensor layer and configured to selectively operate in a first mode for sensing touch inputs and a second mode for sensing pen inputs,
- wherein the sensor layer includes:
- a plurality of first electrodes extending along a first direction;
- and
- a plurality of second electrodes extending along a second direction crossing the first direction, at least one of the plurality of second electrodes including a first sub-electrode and a second sub-electrode,
- wherein in the second mode, the sensor driver senses the pen inputs based on a first signal received from the first sub-electrode and a second signal received from the second sub-electrode.
Dependencies are inferred from the claim text.