DISPLAY DEVICE
According to one embodiment, a display device includes a base, a plurality of first pixels disposed in a first area included in a display area on the substrate, and a plurality of second pixels disposed in a second area different from the first area, included in the display area on the substrate. Each of the plurality of first pixels includes a first pixel circuit including a plurality of transistors and a first display element driven by the first pixel circuit. Each of the plurality of second pixels includes a second pixel circuit including a plurality of transistors and a second display element driven by the second pixel circuit. The transistors in the second pixel circuit are less in number than the transistors in the first pixel circuit.
1 . A display device comprising:
a base;
a plurality of first pixels disposed in a first area included in a display area on the substrate; and
a plurality of second pixels disposed in a second area different from the first area, included in the display area on the substrate,
wherein
each of the plurality of first pixels includes a first pixel circuit including a plurality of transistors and a first display element driven by the first pixel circuit,
each of the plurality of second pixels includes a second pixel circuit including a plurality of transistors and a second display element driven by the second pixel circuit, and
the transistors in the second pixel circuit are less in number than the transistors in the first pixel circuit.
2 . The display device of claim 1 , wherein
the second area is located in a position overlapping a light receiving element that receives light via the display device.
3 . The display device of claim 1 , wherein
the first pixel circuit includes a transistor for realizing a function for correcting a variation in threshold voltage of a drive transistor which supplies a current to the first display element of the plurality of transistors in first pixel circuit, and
the second pixel circuit does not include a transistor for realizing a function for correcting a variation in threshold voltage of a drive transistor which supplies a current to the second display element of the plurality of transistors in second pixel circuit.
4 . The display device of claim 1 , wherein
part of a plurality of wiring lines connected to the first pixel circuit is connected to the second pixel circuit.
5 . The display device of claim 1 , wherein
an area of a region occupied by the second pixel circuit per unit area of the second area is smaller than an area of a region occupied by the first pixel circuit per unit area of the first area.
6 . The display device of claim 1 , further comprising:
a rib; and
a partition,
wherein
the first and second display elements each include a lower electrode, an organic layer, and an upper electrode,
the lower electrode is disposed on the base,
the rib includes an aperture overlapping the lower electrode;
the partition includes a lower portion disposed on the rib and an upper portion protruding from a side surface of the lower portion,
the organic layer is in contact with the lower electrode via the aperture, and
the upper electrode is disposed on the organic layer.
7 . The display device of claim 6 , further comprising:
a cap layer disposed on the upper electrode, and
a sealing layer disposed on the cap layer.
8 . The display device of claim 7 , wherein
the second area includes a region overlapping the aperture of the rib, where the second pixel circuit, the second display element, the cap layer and the sealing layer are not formed.
9 . A display device comprising:
a base;
a plurality of first pixels disposed in a first area included in a display area on the base, and
a plurality of second pixels disposed in a second area different from the first area, included in the display area,
each of the plurality of first pixels includes a first display element and a first pixel circuit that drives the first display element,
each of the plurality of second pixels includes a second display element and a second pixel circuit that drives the second display element,
an area of a region occupied by the second pixel circuit per unit area of the second area is smaller than an area of a region occupied by the first pixel circuit per unit area of the first area.
10 . The display device of claim 9 , wherein
the second area is disposed in a position overlapping a light receiving element that receives light via the display device.
11 . The display device of claim 9 , wherein
the first pixel circuit includes a transistor for realizing a function of correcting a variation in threshold voltage of a drive transistor that supplies a current to the first display element of a plurality of transistors in the first pixel circuit, and
the second pixel circuit does not include a transistor for realizing a function of correcting a variation in threshold voltage of a drive transistor that supplies a current to the second display element of a plurality of transistors in the second pixel circuit.
12 . The display device of claim 9 , wherein
part of the plurality of wiring lines connected to the first pixel circuit is connected to the second pixel circuit.
13 . The display device of claim 9 , further comprising:
a rib; and
a partition,
wherein
the first and second display elements each include a lower electrode, an organic layer, and an upper electrode,
the lower electrode is disposed on the base,
the rib includes an aperture overlapping the lower electrode;
the partition includes a lower portion disposed on the rib and an upper portion protruding from a side surface of the lower portion,
the organic layer is in contact with the lower electrode via the aperture, and
the upper electrode is disposed on the organic layer.
14 . The display device of claim 13 , further comprising:
a cap layer disposed on the upper electrode, and
a sealing layer disposed on the cap layer.
15 . The display device of claim 14 , wherein
the second area includes a region overlapping the aperture of the rib, where the second pixel circuit, the second display element, the cap layer and the sealing layer are not formed.