Display device with sensor
According to an aspect, a display device with a sensor includes: a first substrate; detection electrodes arrayed in a matrix in a first direction and a second direction intersecting the first direction above the first substrate; sensor wires coupled to one of the detection electrodes; pixels each including sub-pixels and arrayed in a matrix in the first and second directions; scanning lines scanning switching elements of the sub-pixels and extending in the first direction; and signal lines coupled to the switching elements and extending in the second direction. One of the sensor wires overlaps one of the signal lines. The sensor wires each have, at a part thereof, a coupling part coupled to the corresponding detection electrode. The pixels include a first pixel with the coupling part and a second pixel without the coupling part. The first and second pixels are alternately disposed in the first and second directions.
1. A display device, comprising:
a first substrate;
a first insulating film above the first substrate;
a second insulating film between the first substrate and the first insulating film;
a plurality of signal lines arrayed in a first direction in a display region;
a plurality of detection electrodes arrayed in a matrix in the first direction and a second direction intersecting the first direction in the display region, and disposed above the first substrate and between the first insulating film and the second insulating film;
a plurality of metal wires arrayed in the first direction, and disposed between the first substrate and the second insulating film; and
an integrated circuit disposed in a peripheral region outside the display region, wherein
the plurality of detection electrodes includes a first detection electrode and a second detection electrode,
the plurality of metal wires includes a first connection line, a second connection line, a first separated line, and a second separated line,
the first connection line is connected to the first detection electrode, and is drawn toward the integrated circuit,
the second connection line is connected to the second detection electrode, and is drawn toward the integrated circuit,
the first separated line overlaps with the first detection electrode and does not overlap with the second detection electrode,
the second separated line overlaps with the second detection electrode and does not overlap with the first detection electrode,
the first separated line is connected to the first detection electrode via a number A of contact holes formed in the second insulating film,
the second separated line is connected to the second detection electrode via a number B of contact holes formed in the second insulating film,
the number A is different from the number B,
the plurality of signal line includes a first signal line, and
the first separated line and the second separated line overlap with the first signal line.
2. The display device according to claim 1 , wherein
the first detection electrode is located on an oppose side of the integrated circuit,
the second detection electrode is located on a closer side to the integrated circuit, and
the number A is smaller than the number B.
3. The display device according to claim 2 , wherein
the plurality of signal lines includes a second signal line and a third signal line,
the second signal line overlaps with the first connection line,
the third signal line overlaps with the second connection line, and
the first signal line is between the second signal line and the third signal line.
4. The display device according to claim 3 , wherein
a third insulating film is between the first substrate and the second insulating film, and
the plurality of signal lines is between the first substrate and the third insulating film.
5. The display device according to claim 3 , wherein
the number B is two times or greater than the number A.
6. The display device according to claim 4 , wherein
a thickness of the first insulating film is smaller than a thickness of the second insulating film.
7. The display device according to claim 3 , wherein
the second insulating film includes a number C of contact holes overlapping with the first detection electrode and a number D of contact holes overlapping with the second detection electrode, and
the number C includes the number A,
the number D includes the number B, and
the number C and the number D are identical.