DISPLAY DEVICE WITH TOUCH DETECTION FUNCTION AND ELECTRONIC APPARATUS
According to an aspect, a display device with a touch detection function includes: a plurality of pixel electrodes arranged in a matrix; a plurality of scanning signal lines; a drive electrode that faces the pixel electrodes; and a plurality of touch detection electrodes including a detection electrode pattern of a transparent conductive body that faces the drive electrode. The detection electrode pattern includes one or more slits each of which is a region where the transparent conductive body is not present. The slits of the detection electrode pattern of the touch detection electrodes extend in a direction different from an extending direction of the scanning signal lines with a slit pitch having a predetermined interval therebetween in the extending direction of the scanning signal lines. The slit pitch is multiples of a natural number of a predetermined pixel pitch in which the pixel electrodes are arranged.
1 . A display device with a touch detection function comprising:
a substrate;
a plurality of pixel electrodes arranged in a matrix on a plane parallel to a surface of the substrate;
a plurality of scanning signal lines extending on a plane parallel to the surface of the substrate to supply a scanning signal for driving the pixel electrodes;
a display functional layer that provides an image display function based on an image signal;
a drive electrode that faces the pixel electrodes in a vertical direction to the surface of the substrate and extends in a direction parallel to an extending direction of the scanning signal lines; and
a plurality of touch detection electrodes including a detection electrode pattern of a transparent conductive body that faces the drive electrode in the vertical direction and extends in a direction different from the extending direction of the scanning signal lines, wherein
the detection electrode pattern includes one or more slits each of which is a region where the transparent conductive body is not present,
the slits of the detection electrode pattern of the touch detection electrodes extend in a direction different from the extending direction of the scanning signal lines with a slit pitch having a predetermined interval therebetween in the extending direction of the scanning signal lines, and
the slit pitch is multiples of a natural number of a predetermined pixel pitch in which the pixel electrodes are arranged.
2 . The display device with a touch detection function according to claim 1 , wherein
the touch detection electrode includes the detection electrode pattern and a dummy pattern that does not function as an electrode,
the dummy pattern includes one or more slits each of which is a region where the transparent conductive body is not present,
the slits of the dummy pattern of the touch detection electrodes extend in a direction different from the extending direction of the scanning signal lines with a slit pitch having a predetermined interval in the extending direction of the scanning signal lines, and
the slit pitch of the detection electrode pattern and the slit pitch of the dummy pattern are same.
3 . The display device with a touch detection function according to claim 1 , wherein the slits of the detection electrode pattern have a zigzag line shape in which a straight line having an angle with respect to a direction orthogonal to the extending direction of the scanning signal lines is folded back at a bent part.
4 . The display device with a touch detection function according to claim 1 , wherein the slits of the detection electrode pattern have a wavy line shape in which a straight line having an angle with respect to a direction orthogonal to the extending direction of the scanning signal lines is folded back at a bent part.
5 . The display device with a touch detection function according to claim 3 , wherein the slits of the detection electrode pattern has a shape in which the straight line having the angle with respect to the direction orthogonal to the extending direction of the scanning signal lines extends across one or more of the pixel electrodes, as viewed in the vertical direction.
6 . The display device with a touch detection function according to claim 3 , further comprising a plurality of pixel signal lines that extend on a plane parallel to the surface of the substrate to supply a pixel signal for displaying an image to the pixel electrodes, wherein
the bent part overlaps a part of the pixel signal line as viewed in the vertical direction.
7 . The display device with a touch detection function according to claim 3 , further comprising a plurality of pixel signal lines that extend on a plane parallel to the surface of the substrate to supply a pixel signal for displaying an image on the pixel electrodes, wherein
the slit of the detection electrode pattern extends along at least a part of the pixel signal line and overlaps therewith as viewed in the vertical direction.
8 . The display device with a touch detection function according to claim 3 , wherein the bent part overlaps a part of the scanning signal line as viewed in the vertical direction.
9 . The display device with a touch detection function according to claim 1 , further comprising a color filter that faces the display functional layer in the vertical direction and has a plurality of color regions colored in different colors, wherein
the slits are arranged so as to avoid a color region colored in white.
10 . The display device with a touch detection function according to claim 3 , further comprising a light shielding layer that shields an edge of the pixel electrode from light, wherein
the slit overlaps a part of the light shielding layer as viewed in the vertical direction.
11 . The display device with a touch detection function according to claim 3 , wherein the detection electrode pattern has a part in which boundary lines on both sides thereof in the extending direction of the scanning signal lines are parallel to each other.
12 . An electronic apparatus comprising a display device with a touch detection function that detects an external proximity object, the display device with a touch detection function comprising:
a substrate;
a plurality of pixel electrodes arranged in a matrix on a plane parallel to a surface of the substrate;
a plurality of scanning signal lines extending on a plane parallel to the surface of the substrate to supply a scanning signal for driving the pixel electrodes;
a display functional layer that provides an image display function based on an image signal;
a drive electrode that faces the pixel electrodes in a vertical direction to the surface of the substrate and extends in a direction parallel to an extending direction of the scanning signal lines; and
a plurality of touch detection electrodes including a detection electrode pattern of a transparent conductive body that faces the drive electrode in the vertical direction and extends in a direction different from the extending direction of the scanning signal lines, wherein
the detection electrode pattern includes one or more slits each of which is a region where the transparent conductive body is not present,
the slits of the detection electrode pattern of the touch detection electrodes extend in a direction different from the extending direction of the scanning signal lines with a slit pitch having a predetermined interval therebetween in the extending direction of the scanning signal lines, and
the slit pitch is multiples of a natural number of a predetermined pixel pitch in which the pixel electrodes are arranged.