Electronic equipment, touch sensor, and position detection apparatus
Electronic equipment includes a touch sensor including a plurality of electrodes arranged in a plane shape and separated from each other in an array direction, a differential amplifier that amplifies a difference between a positive-side signal and a negative-side signal selectively output from the plurality of electrodes and that outputs the difference, a position detection unit that detects a touch position in a sensor area that is formed by the touch sensor, based on an output signal from the differential amplifier, and a conductive part that is a part made of a conductive material or contains a conductive material and that is arranged to partially overlap the sensor area in plan view. The conductive part is arranged such that an outermost end point thereof in the array direction is positioned on one of the plurality of electrodes.
1 . A system, comprising:
a touch sensor;
a display panel, which includes matrix signal lines arrayed in a row direction and a column direction to drive a plurality of pixels to thereby display an image or a video in a display area, wherein
the touch sensor is arranged to at least partially overlap with the display area in plan view,
the touch sensor includes a plurality of electrodes arranged in a rectangular shape,
the plurality of electrodes include:
a plurality of first electrodes extended in a first direction and separated from each other in a third direction that is orthogonal to the first direction, and
a plurality of second electrodes extended in a second direction intersecting the first direction and separated from each other in a fourth direction that is orthogonal to the second direction, and
at least one of the first direction and the second direction is inclined with respect to both the row direction and the column direction; and
a conductive part that is arranged to partially overlap with a sensor area of the touch sensor in a plan view such that an outermost end point of the conductive part is inside a perimeter of the sensor area and is positioned on one of the plurality of electrodes.
2 . The system according to claim 1 , wherein
the display panel displays an image or a video of each frame on a basis of a line inversion system for applying a drive voltage to the signal lines extending in the row direction while alternately inverting positive and negative, and
the first direction and the second direction are each inclined with respect to the row direction.
3 . The system according to claim 1 , wherein
the display panel displays an image or a video of each frame on a basis of a line inversion system for applying a drive voltage to the signal lines extending in the column direction while alternately inverting positive and negative, and
the first direction and the second direction are each inclined with respect to the column direction.
4 . The system according to claim 1 , wherein
the plurality of first electrodes each include thin metal wires in a mesh structure including meshes with a same shape arrayed in the second direction without a gap, and
the plurality of second electrodes each include thin metal wires in a mesh structure including meshes with a same shape arrayed in the first direction without a gap.
5 . A system, comprising:
a touch sensor;
a display panel, which includes matrix signal lines arrayed in a row direction and a column direction to drive a plurality of pixels to thereby display an image or a video in a display area,
wherein
the touch sensor is arranged to at least partially overlap with the display area in plan view,
the touch sensor includes a plurality of electrodes arranged in a rectangular shape,
the plurality of electrodes of the touch sensor include:
a plurality of first electrodes extended in a first direction and separated from each other in a third direction that is orthogonal to the first direction, and
a plurality of second electrodes extended in a second direction intersecting the first direction and separated from each other in a fourth direction that is orthogonal to the second direction, and
at least one of the first direction and the second direction is inclined with respect to both the row direction and the column direction;
a position detection unit configured to detect, based on a detection signal from the touch sensor, a touch position in a sensor area formed by the touch sensor; and
a conductive part that is arranged to partially overlap with the sensor area formed by the touch sensor in a plan view such that an outermost end point of the conductive part is inside a perimeter of the sensor area and is positioned on one of the plurality of electrodes.
6 . The system according to claim 5 , wherein
the touch sensor and the position detection unit are connected through a plurality of extension lines provided on one ends of the plurality of electrodes, and
at least one of the plurality of electrodes bridges two adjacent sides of the sensor area, the at least one of the plurality of electrodes having two ends, and the extension line is provided on one of the two ends that is closer to the position detection unit.