Abstract: There is provided a display device including a high-sensitivity touch sensor. A display device includes: pixels arranged in a display region; sensing electrodes arranged in a sensing region; sensing lines coupled to the respective sensing electrodes; a noise detection electrode disposed on the same layer as the sensing electrodes; sensing channels each including a first input terminal coupled to any one of the sensing electrodes and a second input terminal coupled to the noise detection electrode, the sensing channels each generating an output signal corresponding to a voltage difference between the first and second input terminals; and a processor detecting a touch input, using the output signals of the sensing channels.

Abstract: A touch panel including a substrate, first touch electrodes, each of the first touch electrodes including first mesh patterns disposed on the substrate, an insulation layer disposed on the first touch electrodes, second touch electrodes, each of the second touch electrodes including second mesh patterns disposed on the insulation layer, first auxiliary mesh electrodes disposed on the substrate, the first auxiliary mesh electrodes being electrically connected to at least a portion of the corresponding second mesh patterns, and second auxiliary mesh electrodes disposed on the insulation layer, the second auxiliary mesh electrodes being electrically connected to at least a portion of the corresponding first mesh patterns.

Abstract: A display device that senses externally applied pressure and a change in the resonant frequency of a piezoelectric element. The display device includes a piezoelectric sensor layer including a piezoelectric sensor; and a display panel disposed on the piezoelectric sensor layer. The piezoelectric sensor includes: a piezoelectric element having a first electrode, a second electrode facing the first electrode, and a piezoelectric material disposed between the first electrode and the second electrode; an alternating current (AC) voltage generator connected to the first electrode and applies a voltage having a resonance frequency to the piezoelectric element. A sensing circuit connected to the second electrode is configured to measure a change in impedance of the piezoelectric element.

Abstract: A display device includes a display panel and a touch sensing unit including touch signal lines (TSL) and sensor columns (SCs) including sensor blocks (SBs). Each SB includes a first sensor (FS) and i (i being ?2) second sensors (SSs). The TSLs include: first signal lines (FSLs) respectively connected to some of the FSs, a portion of each of the FSLs extending to a first end of a corresponding SC from a corresponding sensor of the some of the FSs; second signal lines (SSLs) respectively connected to other FSs, a portion of each of the SSLs extending to a second end of the corresponding SC from a corresponding sensor of the other FSs; and third signal lines connecting a j-th (j being ?1) SS of an n-th (n being ?1) SB to an (i?j+1)-th SS of an (n+1)-th SB.

Abstract: A display device includes a display panel including a base film and a circuit layer disposed on the base film, the circuit layer including a plurality of gate lines, a plurality of data lines, and a gate driving unit configured to receive gate control signals and provide a gate signal to the plurality of gate lines, and a sensing unit including a plurality of driving electrodes, a plurality of sensing electrodes, a sense driving unit configured to receive driving control signals and provide a sense driving signal to the plurality of driving electrodes, and sensing pads configured to transfer, to the outside, an electric signal received from each of the plurality of sensing electrodes, wherein the sense driving unit is included in the circuit layer.

Abstract: A touch panel including a substrate, first touch electrodes, each of the first touch electrodes including first mesh patterns disposed on the substrate, an insulation layer disposed on the first touch electrodes, second touch electrodes, each of the second touch electrodes including second mesh patterns disposed on the insulation layer, first auxiliary mesh electrodes disposed on the substrate, the first auxiliary mesh electrodes being electrically connected to at least a portion of the corresponding second mesh patterns, and second auxiliary mesh electrodes disposed on the insulation layer, the second auxiliary mesh electrodes being electrically connected to at least a portion of the corresponding first mesh patterns.

Abstract: A display device with a display panel including a display area and a plurality of pixels arranged in the display area, a photosensor layer including a sensing area overlapping the display area and a plurality of photosensors arranged in the sensing area, a light-guiding layer arranged between the display panel and the photosensor layer and configured to include a plurality of light-transmission holes corresponding to the photosensors, respectively, and a light-condensing layer arranged between the display panel and the photosensor layer to overlap the light-guiding layer.

Abstract: A display device includes a display panel and a touch sensing unit including touch signal lines (TSL) and sensor columns (SCs) including sensor blocks (SBs). Each SB includes a first sensor (FS) and i (i being ?2) second sensors (SSs). The TSLs include: first signal lines (FSLs) respectively connected to some of the FSs, a portion of each of the FSLs extending to a first end of a corresponding SC from a corresponding sensor of the some of the FSs; second signal lines (SSLs) respectively connected to other FSs, a portion of each of the SSLs extending to a second end of the corresponding SC from a corresponding sensor of the other FSs; and third signal lines connecting a j-th (j being ?1) SS of an n-th (n being ?1) SB to an (i?j+1)-th SS of an (n+1)-th SB.

Abstract: A touch sensor includes a base layer, first touch sensor columns, second touch sensor columns, and sensing lines. The base layer includes a sensing region and a non-sensing region. The first touch sensor columns extend in a first direction. The first touch sensor columns include first touch electrodes. The first touch electrodes include sub-touch electrodes in the sensing region. The second touch sensor columns include second touch electrodes in the sensing region. The second touch sensor columns are alternately arranged with the first touch sensor columns. The sensing lines are in the non-sensing region. The sensing lines include: first sensing lines electrically connected to the sub-touch electrodes, and second sensing lines electrically connected to the second touch electrodes. The sub-touch electrodes and the second touch electrodes have different widths.

Abstract: An input sensing unit includes sensing electrodes. Each of the sensing electrodes includes: first electrodes arranged in a column extending in a first direction; a second electrode extending in the first direction; first sensing lines connected to the first electrodes, the first sensing lines extending in the first direction; and a second sensing line connected to the second electrode, the second sensing line extending in the first direction. The first sensing lines are connected to first pad portions. The second sensing line is connected to a second pad portion. The second pad portions or some of the first pad portions are disposed between a first pad portion among the first pad portions and the second pad portion, the first pad portion being connected to a first sensing line closest to the second sensing line among the first sensing lines.

Abstract: A touch display apparatus integrated fingerprint sensor includes a plurality of pixels arranged in a display area, a plurality of touch sensor electrodes arranged in a touch sensor area overlapping with the display area, a plurality of fingerprint sensor electrodes arranged in a fingerprint sensor area which is spaced apart from the touch sensor area and overlaps with the display area, and a plurality of fingerprint lines overlapping with a plurality of touch sensor electrodes which is located in an area adjacent to the fingerprint sensor area and associated with driving of the plurality of fingerprint sensor electrodes. The plurality of fingerprint lines may include a fingerprint guard line surrounding the fingerprint sensor area, and a fingerprint electrostatic line surrounding the fingerprint sensor area. The fingerprint guard line and fingerprint electrostatic line increase sensor reliability by shielding the plurality of fingerprint sensor electrodes from external signals and electrostatic discharge.

Abstract: A touch sensor includes a base, first sensing electrode columns (FSECs), and second sensing electrode columns (SSECs). The base includes a sensing region (SR) including a rounded corner (RC), and a non-SR outside the SR. The FSECs extend in a direction on the base, each FSEC among the FSECs including first sensing electrodes (FSEs), each FSE among the FSEs including sub-electrodes. The SSECs are alternately disposed with the FSECs on the base, each SSEC among the SSECs including second sensing electrodes (SSEs). Sub-electrodes of one of adjacent FSEs among the FSEs are electrically connected to respective sub-electrodes of another of the adjacent FSEs. A sub-electrode closest to the RC among the sub-electrodes includes a rounded edge (RE) corresponding to the RC. A SSE closest to the RC among the SSEs includes a RE corresponding to the RC, and a protrusion part protruding toward the sub-electrode including the RE.

Abstract: A touch screen includes a base film which includes a sensing area and a non-sensing area; a plurality of first touch electrodes including a plurality of sub-touch electrodes disposed in the sensing area; a plurality of second touch electrodes disposed in the sensing area; first and second sensing lines disposed in the non-sensing area; and a bridge line which is disposed in the non-sensing area and is connected to the first sensing line. The bridge line includes a multilayer structure in which at least two sub-bridge lines are stacked to overlap each other in plan view.

Abstract: A touch panel including a substrate, first touch electrodes, each of the first touch electrodes including first mesh patterns disposed on the substrate, an insulation layer disposed on the first touch electrodes, second touch electrodes, each of the second touch electrodes including second mesh patterns disposed on the insulation layer, first auxiliary mesh electrodes disposed on the substrate, the first auxiliary mesh electrodes being electrically connected to at least a portion of the corresponding second mesh patterns, and second auxiliary mesh electrodes disposed on the insulation layer, the second auxiliary mesh electrodes being electrically connected to at least a portion of the corresponding first mesh patterns.

Abstract: A touch panel including a substrate, first touch electrodes, each of the first touch electrodes including first mesh patterns disposed on the substrate, an insulation layer disposed on the first touch electrodes, second touch electrodes, each of the second touch electrodes including second mesh patterns disposed on the insulation layer, first auxiliary mesh electrodes disposed on the substrate, the first auxiliary mesh electrodes being electrically connected to at least a portion of the corresponding second mesh patterns, and second auxiliary mesh electrodes disposed on the insulation layer, the second auxiliary mesh electrodes being electrically connected to at least a portion of the corresponding first me patterns.

Abstract: A display device includes a substrate, gate lines disposed on the substrate and extending in a first direction, data lines insulated from the gate lines and extending in a second direction crossing the first direction, pixels electrically connected to the gate lines and the data lines, wherein at least one line of the gate lines and the data lines comprises a ring pattern, wherein the ring pattern comprises rings and adjacent rings are electrically connected to each other in at least one position.

Abstract: A display apparatus includes an organic light emitting display panel including a circuit layer and a touch sensing unit disposed on the organic light emitting display panel and including sensor blocks and touch signal lines connected to the sensor blocks. The circuit layer includes first signal lines disposed on a base layer, a first insulation layer disposed on the first signal lines, second signal lines disposed on the first insulation layer, and dummy conductive patterns. Each of the touch signal lines includes a touch line part and a touch pad part connected to an end of the touch line part. The dummy conductive patterns include a dummy conductive pad disposed directly on a same layer as the first signal lines or the second signal lines and overlap the touch pad part.

Abstract: A touch screen including a plurality of first sensing electrode columns having a plurality of first sensing electrodes, the plurality of first sensing electrode columns extending in one direction, and a plurality of second sensing electrode columns alternately disposed with the first sensing electrode columns, the plurality of second sensing electrode columns including a plurality of second sensing electrodes having a plurality of sub-electrodes. Sub-electrodes of one of adjacent second sensing electrodes are electrically connected to sub-electrodes of another of the adjacent second sensing electrodes. At least some of the first sensing electrodes include a first region and a second region electrically separated from the first region.

Abstract: A touch sensor includes: a plurality of first sensor electrode columns disposed in a sensing area, the plurality of first sensor electrode columns each including one or more first sensor electrodes; a plurality of second sensor electrode columns alternately disposed with the first sensor electrode columns in the sensing area, the plurality of second sensor electrode columns each including a plurality of second sensor electrodes having a length defined by a longitudinal axis and a width extending in a direction across the length; a plurality of lines connected to the first sensor electrode columns and the second sensor electrode columns; and a pad unit including a plurality of pads connected to the lines, wherein at least some of the second sensor electrodes have a width that varies along the longitudinal axis of its respective second electrodes.

Abstract: A display device includes a display panel and a touch sensing unit including touch signal lines (TSL) and sensor columns (SCs) including sensor blocks (SBs). Each SB includes a first sensor (FS) and i (i being ?2) second sensors (SSs). The TSLs include: first signal lines (FSLs) respectively connected to some of the FSs, a portion of each of the FSLs extending to a first end of a corresponding SC from a corresponding sensor of the some of the FSs; second signal lines (SSLs) respectively connected to other FSs, a portion of each of the SSLs extending to a second end of the corresponding SC from a corresponding sensor of the other FSs; and third signal lines connecting a j-th (j being?1) SS of an n-th (n being ?1) SB to an (i?j+1)-th SS of an (n+1)-th SB.