DISPLAY DEVICE
According to one embodiment, a display device includes first subpixels arranged in a display area, second subpixels arranged in the display area, a first signal line which supplies a video signal to the first subpixels, a second signal line which supplies a video signal to the second subpixels, a first correction capacitive portion which is provided in a surrounding area and is connected to the first signal line, a second correction capacitive portion provided in the surrounding area and connected to the second signal line, and a connection line which connects the first and second correction capacitive portions to each other and has a meandering shape.
1 . A display device comprising:
a plurality of first subpixels arranged in a display area;
a plurality of second subpixels arranged in the display area;
a first signal line which supplies a video signal to each of the first subpixels;
a second signal line which supplies a video signal to each of the second subpixels;
a first correction capacitive portion which is provided in a surrounding area located around the display area and is connected to the first signal line;
a second correction capacitive portion provided in the surrounding area and connected to the second signal line; and
a connection line which connects the first correction capacitive portion and the second correction capacitive portion to each other and has a meandering shape.
2 . The display device of claim 1 , wherein
each of the first correction capacitive portion and the second correction capacitive portion includes a first capacitive electrode and a second capacitive electrode which forms correction capacitance between the first capacitive electrode and the second capacitive electrode,
the first capacitive electrode of the first correction capacitive portion is connected to the first signal line,
the first capacitive electrode of the second correction capacitive portion is connected to the second signal line, and
the second capacitive electrode of the first correction capacitive portion and the second capacitive electrode of the second correction capacitive portion are connected to the connection line.
3 . The display device of claim 2 , wherein
the first subpixels are different from the second subpixels in number, and
the correction capacitance of the first correction capacitive portion is different from the correction capacitance of the second correction capacitive portion.
4 . The display device of claim 3 , wherein
the number of first subpixels is greater than the number of second subpixels, and
the correction capacitance of the first correction capacitive portion is less than the correction capacitance of the second correction capacitive portion.
5 . The display device of claim 2 , wherein
the first capacitive electrode of at least one of the first correction capacitive portion and the second correction capacitive portion is formed of a same material as the first signal line and the second signal line in a same layer as the first signal line and the second signal line.
6 . The display device of claim 5 , further comprising a power line which applies power source voltage to each of the first subpixels and the second subpixels, wherein
each of the first subpixels and the second subpixels includes:
a pixel circuit connected to the power line;
a lower electrode connected to the pixel circuit;
an upper electrode which faces the lower electrode; and
an organic layer which is located between the lower electrode and the upper electrode and emits light based on application of voltage, and
the second capacitive electrode of at least one of the first correction capacitive portion and the second correction capacitive portion is formed of a same material as the power line in a same later as the power line.
7 . The display device of claim 2 , wherein
each of the first subpixels and the second subpixels includes:
a pixel circuit comprising a transistor including a gate electrode and a semiconductor;
a lower electrode connected to the pixel circuit;
an upper electrode which faces the lower electrode; and
an organic layer which is located between the lower electrode and the upper electrode and emits light based on application of voltage, and
the first capacitive electrode of at least one of the first correction capacitive portion and the second correction capacitive portion is formed of a same material as the gate electrode in a same layer as the gate electrode.
8 . The display device of claim 7 , wherein
the second capacitive electrode of at least one of the first correction capacitive portion and the second correction capacitive portion is formed of a same material as the semiconductor in a same layer as the semiconductor.
9 . The display device of claim 1 , wherein
each of the first subpixels and the second subpixels includes:
a lower electrode;
an upper electrode which faces the lower electrode; and
an organic layer which is located between the lower electrode and the upper electrode and emits light based on application of voltage.
10 . The display device of claim 9 , further comprising a partition which surrounds each of the first subpixels and the second subpixels, wherein
the partition includes a conductive lower portion and an upper portion which protrudes from a side surface of the lower portion.
11 . The display device of claim 10 , wherein
the upper electrode is in contact with the side surface of the lower portion.
12 . A display device comprising:
a plurality of subpixels provided in a display area;
a signal line which supplies a video signal to each of the subpixels;
a power line which applies power source voltage to each of the subpixels; and
a correction capacitive portion which is provided in a surrounding area located around the display area and is connected to the signal line, wherein
each of the subpixels includes:
a pixel circuit connected to the signal line and the power line;
a lower electrode connected to the pixel circuit;
an upper electrode which faces the lower electrode; and
an organic layer which is located between the lower electrode and the upper electrode and emits light based on application of voltage, and
the correction capacitive portion includes:
a first capacitive electrode formed of a same material as the signal line in a same layer as the signal line and connected to the signal line; and
a second capacitive electrode formed of a same material as the power line in a same layer as the power line and forming correction capacitance between the first capacitive electrode and the second capacitive electrode.
13 . The display device of claim 12 , wherein
the correction capacitive portion further includes:
a third capacitive electrode connected to the signal line; and
a fourth capacitive electrode which forms correction capacitance between the third capacitive electrode and the fourth capacitive electrode.
14 . The display device of claim 13 , wherein
the pixel circuit comprises a transistor including a gate electrode and a semiconductor, and
the third capacitive electrode is formed of a same material as the gate electrode in a same later as the gate electrode.
15 . The display device of claim 14 , wherein
the fourth capacitive electrode is formed of a same material as the semiconductor in a same later as the semiconductor.
16 . The display device of claim 13 , further comprising a partition which surrounds each of the subpixels, wherein
the partition includes a conductive lower portion and an upper portion which protrudes from a side surface of the lower portion.
17 . The display device of claim 16 , wherein
the upper electrode is in contact with the side surface of the lower portion.
18 . A display device comprising:
a plurality of subpixels provided in a display area;
a signal line which supplies a video signal to each of the subpixels; and
a correction capacitive portion which is provided in a surrounding area located around the display area and is connected to the signal line, wherein
each of the subpixels includes:
a pixel circuit which comprises a transistor including a gate electrode and a semiconductor and is connected to the signal line;
a lower electrode connected to the pixel circuit;
an upper electrode which faces the lower electrode; and
an organic layer which is located between the lower electrode and the upper electrode and emits light based on application of voltage, and
the correction capacitive portion includes:
a first capacitive electrode formed of a same material as the gate electrode in a same layer as the gate electrode and connected to the signal line; and
a second capacitive electrode formed of a same material as the semiconductor in a same layer as the semiconductor and forming correction capacitance between the first capacitive electrode and the second capacitive electrode.
19 . The display device of claim 18 , further comprising a partition which surrounds each of the subpixels, wherein
the partition includes a conductive lower portion and an upper portion which protrudes from a side surface of the lower portion.
20 . The display device of claim 19 , wherein
the upper electrode is in contact with the side surface of the lower portion.