Abstract: A display device includes: a base substrate; a light emitting element located on the base substrate; a thin-film encapsulation layer located on the light emitting element; touch electrodes located on the thin-film encapsulation layer, each of the touch electrode including an opening; and a strain gauge including: resistance lines located in the openings, respectively, the resistance lines located in the same layer as the touch electrodes and having variable resistance values changed in response to a touch input; a first connection line connecting two resistance lines neighboring each other along a first direction; and a second connection line connecting two resistance lines neighboring each other along a second direction, the second direction intersecting the first direction, wherein the first connection line and the second connection line are located between the thin-film encapsulation layer and the resistance lines.

Abstract: A touch sensor includes a base layer; a first electrode member that includes a plurality of first electrodes arranged on the base layer and electrically connected to each other along a first direction, each of the first electrodes including a first opening; a second electrode member that includes a plurality of second electrodes arranged on the base layer and electrically connected to each other along a second direction that intersects the first direction; a conductive member that includes a plurality of conductive patterns electrically connected to each other along the first direction; and a proximity detector that is electrically connected to the conductive member and configured to detect proximity of an object by receiving a proximity sensing signal from the conductive member. Each of the conductive patterns is located in the first opening of each of the first electrodes and spaced apart from each of the first electrodes, respectively.

Abstract: A touch sensor includes a base layer, a first electrode unit, second electrode units, and a first strain gauge. The first electrode unit includes first touch electrodes arranged on the base layer along a first direction and electrically connected to each other along the first direction. The second electrode units are spaced apart from one another along the first direction. Each of the second electrode units includes second touch electrodes arranged on the base layer along a second direction intersecting the first direction and electrically connected to each other along the second direction. Each of the second touch electrodes includes a first opening. The first strain gauge includes first resistance lines electrically connected to each other along the first direction. Each of the first resistance lines is disposed in a respective first opening disposed in a first row among the first openings.

Abstract: An input sensing device includes a plurality of first sensing electrodes having a plurality of first sensor units extending in a first direction. A plurality of second sensing electrodes has a plurality of second sensor units extending in a second direction different from the first direction, A first strain gauge includes a first force electrode located proximate to a first electrode of the plurality of first sensing electrodes. A second force electrode is located proximate to a second electrode of the plurality of first sensing electrodes. A first connecting electrode connects to both of the first force electrode and the second force electrode.

Abstract: A touch sensing device includes a first base layer, a plurality of first sensing electrodes disposed on the first base layer and spaced apart in a first direction, a plurality of second sensing electrodes disposed on a same layer as the first sensing electrodes and arranged in different rows from the first sensing electrodes, a plurality of third sensing electrodes on the second sensing electrodes that are spaced apart along a second direction different from the first direction and that overlap the second sensing electrodes, and a plurality of fourth sensing electrodes on the first sensing electrodes that are spaced apart along the second direction and that overlap the first sensing electrodes. At least two of the second sensing electrodes are directly connected to each other.

Abstract: A display device including: a display panel for generating an image; and an input sensing layer disposed on the display panel, the input sensing layer sensing a user input. The display panel includes: pixels each including an organic light emitting diode that emits light, corresponding to a driving current flowing from a first power source to a second power source; and a noise detector for generating a noise voltage by detecting noise from the second power source. The input sensing layer includes: first sensing electrodes and second sensing electrodes intersecting each other; and a readout circuit for removing the noise included in a sensing voltage received from the second sensing electrodes based on the noise voltage.

Abstract: A power supply device and a display device including the same disclosed. In one aspect, the power supply device includes a DC-DC converter including a power supply having an input voltage and configured to generate a power voltage and a power current based at least in part on the input voltage and a feedback voltage and supply the power voltage to an output line. A detector is configured to detect the power voltage and the power current, a feedback circuit configured to generate the feedback voltage based at least in part on the power voltage and the power current and supply the feedback voltage to the DC-DC converter. A memory is configured to store a power error voltage signal corresponding to a power error voltage including the difference between the power voltage and a reference power voltage.

Abstract: A power supply device and a display device including the same disclosed. In one aspect, the power supply device includes a DC-DC converter including a power supply having an input voltage and configured to generate a power voltage and a power current based at least in part on the input voltage and a feedback voltage and supply the power voltage to an output line. A detector is configured to detect the power voltage and the power current, a feedback circuit configured to generate the feedback voltage based at least in part on the power voltage and the power current and supply the feedback voltage to the DC-DC converter. A memory is configured to store a power error voltage signal corresponding to a power error voltage including the difference between the power voltage and a reference power voltage.