Display device
A display device includes a plurality of first sub-pixels configured to display red, a plurality of second sub-pixels configured to display green, a plurality of third sub-pixels configured to display blue, and a plurality of fourth sub-pixels configured to display white, a first signal line coupled to the first sub-pixels, a second signal line coupled to the second sub-pixels, and a third signal line coupled to the third sub-pixels and the fourth sub-pixels, a plurality of detection electrodes arrayed in a matrix (row-column configuration) and each provided overlapping the first sub-pixels, the second sub-pixels, the third sub-pixels, and the fourth sub-pixels, and a plurality of signal supply wires coupled to the respective detection electrodes. The signal supply wires are each provided overlapping at least one of the first signal line and the second signal line and not overlapping the third signal line.
1. A display device comprising:
a plurality of first sub-pixels configured to display red, a plurality of second sub-pixels configured to display green, a plurality of third sub-pixels configured to display blue, and a plurality of fourth sub-pixels configured to display white;
a first signal line coupled to the first sub-pixels, a second signal line coupled to the second sub-pixels, and a third signal line coupled to the third sub-pixels and the fourth sub-pixels;
a plurality of detection electrodes arrayed in a matrix (row-column configuration) and each provided overlapping the first sub-pixels, the second sub-pixels, the third sub-pixels, and the fourth sub-pixels; and
a plurality of signal supply wires coupled to the respective detection electrodes, wherein
the signal supply wires are each provided overlapping at least one of the first signal line and the second signal line and not overlapping the third signal line.
2. The display device according to claim 1 , further comprising:
a first dummy wire provided overlapping the first signal line; and
a second dummy wire provided overlapping the second signal line, wherein
the first signal line, the second signal line, and the third signal line are arrayed side by side in a first direction, and
at least one of the first dummy wire and the second dummy wire is disposed side by side with the signal supply wire in a second direction intersecting the first direction.
3. The display device according to claim 2 , further comprising a third dummy wire that is provided overlapping the third signal line, is not coupled to the detection electrode, and is in a floating state.
4. The display device according to claim 3 , wherein
the first dummy wire is electrically coupled to the detection electrode, and
the second dummy wire and the third dummy wire are in a floating state.
5. The display device according to claim 3 , wherein
the first dummy wire and the second dummy wire are electrically coupled to the detection electrode, and
the third dummy wire is in a floating state.
6. The display device according to claim 3 , wherein
a plurality of the first dummy wires and a plurality of the second dummy wires are arrayed in a manner separated from one another corresponding to the respective detection electrodes, and
a plurality of the third dummy wires are arrayed in a manner separated from one another corresponding to the respective third sub-pixels and the respective fourth sub-pixels.
7. The display device according to claim 3 , further comprising:
a first insulating film provided on the first signal line, the second signal line, and the third signal line; and
a second insulating film provided on the first insulating film, wherein
the signal supply wire is provided between the first insulating film and the second insulating film,
the detection electrode is provided on the second insulating film,
the signal supply wire is coupled to the detection electrode through a contact hole formed in the second insulating film in a region overlapping at least one of the first signal line and the second signal line,
a dummy contact hole the bottom surface of which is the first insulating film is formed in the second insulating film in a region overlapping the third signal line,
a plurality of the third dummy wires are arrayed in a manner separated from one another in the second direction, and
the dummy contact hole is formed between the third dummy wires disposed side by side in the second direction.
8. The display device according to claim 2 , wherein
metal wiring including the signal supply wire, the first dummy wire, and the second dummy wire does not overlap the third signal line, and
the first dummy wire and the second dummy wire are electrically coupled to the detection electrode.
9. The display device according to claim 2 , wherein
metal wiring including the signal supply wire, the first dummy wire, and the second dummy wire does not overlap the third signal line,
the first dummy wire is electrically coupled to the detection electrode, and
the second dummy wire is in a floating state.
10. The display device according to claim 9 , wherein
the detection electrode is provided above the signal supply wire, the first dummy wire, and the second dummy wire with an insulating film interposed therebetween,
the signal supply wire and the first dummy wire are each coupled to the detection electrode through a contact hole formed in the insulating film, and
number of the contact holes formed for one signal supply wire is different from number of the contact holes formed for one first dummy wire.
11. The display device according to claim 1 , further comprising:
a first insulating film provided on the first signal line, the second signal line, and the third signal line; and
a second insulating film provided on the first insulating film, wherein
the signal supply wire is provided between the first insulating film and the second insulating film,
the detection electrode is provided on the second insulating film,
the signal supply wire is coupled to the detection electrode through a contact hole formed in the second insulating film in a region overlapping at least one of the first signal line and the second signal line, and
a dummy contact hole the bottom surface of which is the first insulating film is formed in the second insulating film in a region overlapping the third signal line.
12. The display device according to claim 1 , wherein
the detection electrode comprises:
a plurality of main detection electrodes overlapping a plurality of sub-pixels and arrayed in a first direction; and
a sub-detection electrode that couples the main detection electrodes disposed side by side in the first direction, and
a slit is formed overlapping the first signal line between the main detection electrodes disposed side by side in the first direction.
13. A display device comprising:
a plurality of first sub-pixels configured to display red, a plurality of second sub-pixels configured to display green, a plurality of third sub-pixels configured to display blue, and a plurality of fourth sub-pixels configured to display white;
a first signal line coupled to the first sub-pixels, a second signal line coupled to the second sub-pixels, and a third signal line coupled to the third sub-pixels and the fourth sub-pixels;
a first insulating film provided on the first signal line, the second signal line, and the third signal line;
a second insulating film provided on the first insulating film;
a signal supply wire provided between the first insulating film and the second insulating film; and
a plurality of detection electrodes arrayed in a matrix (row-column configuration) on the second insulating film, wherein
the signal supply wire is coupled to the detection electrode through a contact hole formed in the second insulating film in a region overlapping at least one of the first signal line and the second signal line, and
a dummy contact hole the bottom surface of which is the first insulating film is formed in the second insulating film in a region overlapping the third signal line.