Display device with sensor
According to an aspect, a display device with a sensor includes: a substrate including a display region and a peripheral region on a periphery of the display region; detection electrodes arranged in a row-column configuration in the display region; and detection lines coupled to the respective detection electrodes. A shape of the substrate in a plan view includes a curve of a curved portion. The detection electrodes include a first electrode and a second electrode having a shape different from that of the first electrode in a plan view. The second electrode is juxtaposed with the curved portion. The detection lines each include a first line coupled to the first electrode and a second line coupled to the second electrode. The second line passes from the display region across the peripheral region and extends to a position overlapping with the second electrode in a plan view.
1. A display device with a sensor comprising:
a substrate including a display region and a peripheral region on a periphery of the display region;
a plurality of pixel transistors arranged in the display region;
a first dummy pixel transistor arranged in the peripheral region;
a gate line coupling a gate of one of the pixel transistors and a gate of the first dummy pixel transistor;
a signal line coupling a source of one of the pixel transistors and a source of the first dummy pixel transistor;
a planarization film covering the gate line, the signal line, the pixel transistors, and the first dummy pixel transistor;
a metal line coupling overlaps the signal line and located on the planarization film;
a first insulating film covering the metal line;
a plurality of detection electrodes arranged in a row-column configuration on the first insulating film; and
a plurality of pixel electrodes coupled to the respective pixel transistors,
wherein
the metal line couples one of the detection electrodes via a first contact hole formed in the first insulating film,
a shape of the substrate in a plan view includes a curve of a notch portion,
the first dummy pixel transistor located along the notch portion,
the detection electrodes include a first electrode and a second electrode having a different shape from a shape of the first electrode in a plan view,
the second electrode is juxtaposed with the curve of the notch portion, and
the first dummy pixel transistor overlaps the second electrode.
2. The display device with a sensor according to claim 1 , wherein
the signal line couples to the source of the first dummy pixel transistor via a second contact hole formed in the planarization film,
the second contact hole overlaps the second electrode,
and
a drain of the first dummy pixel transistor is not coupled to any of the pixel electrodes.
3. The display device with a sensor according to claim 2 , wherein
the first contact hole overlaps the second electrode, and
the metal line is connected to the second electrode in the peripheral region.
4. The display device with a sensor according to claim 3 , wherein
the first contact hole overlaps the second contact hole.
5. A display device with a sensor comprising:
a substrate including a long side, a short side, a corner connecting the long side and the short side, a display region, and a peripheral region on a periphery of the display region;
a plurality of pixel transistors arranged in the display region;
a first dummy pixel transistor arranged in the peripheral region;
a gate line coupling a gate of one of the pixel transistors and a gate of the first dummy pixel transistor;
a signal line coupling a source of one of the pixel transistors and a source of the first dummy pixel transistor;
a planarization film covering the gate line, the signal line, the pixel transistors, and the first dummy pixel transistor;
a metal line coupling overlaps the signal line and located on the planarization film;
a first insulating film covering the metal line;
a plurality of detection electrodes arranged in a row-column configuration on the first insulating film; and
a plurality of pixel electrodes coupled to the respective pixel transistors,
wherein
the metal line couples one of the detection electrodes via a first contact hole formed in the first insulating film,
the first dummy pixel transistor located along the corner,
the detection electrodes include a first electrode and a second electrode having a different shape from a shape of the first electrode in a plan view,
the second electrode is juxtaposed with the corner, and
the first dummy pixel transistor overlaps the second electrode.
6. The display device with a sensor according to claim 5 , wherein
the signal line couples to the source of the first dummy pixel transistor via a second contact hole formed in the planarization film,
the second contact hole overlaps the second electrode, and
a drain of the first dummy pixel transistor is not coupled to any of the pixel electrodes.
7. The display device with a sensor according to claim 6 , wherein
the first contact hole overlaps the second electrode,
and
the metal line is connected to the second electrode in the peripheral region.
8. The display device with a sensor according to claim 7 , wherein the first contact hole overlaps the second contact hole.