DISPLAY DEVICE
According to one embodiment, a display device includes display elements each including a lower electrode, an upper electrode and an organic layer between the lower electrode and the upper electrode, a rib which has a plurality of pixel apertures overlapping the display elements, respectively, and a partition which includes a conductive lower portion provided on the rib and an upper portion protruding from a side surface of the lower portion and surrounds each of the display elements. Further, the partition is divided into a plurality of segments for detecting an object which is in contact with or close to a display area including the display elements.
1 . A display device comprising:
a plurality of display elements each of which includes a lower electrode, an upper electrode facing the lower electrode, and an organic layer provided between the lower electrode and the upper electrode and emitting light based on a potential difference between the lower electrode and the upper electrode;
a rib which has a plurality of pixel apertures overlapping the display elements, respectively; and
a partition which includes a conductive lower portion provided on the rib and an upper portion protruding from a side surface of the lower portion and surrounds each of the display elements, wherein
the partition is divided into a plurality of segments for detecting an object which is in contact with or close to a display area including the display elements.
2 . The display device of claim 1 , further comprising:
a terminal portion provided in a surrounding area around the display area; and
a plurality of leads provided in the surrounding area and connecting the segments to the terminal portion.
3 . The display device of claim 1 , wherein
the partition includes:
a first partition having a grating shape; and
a second partition provided between a plurality of display elements included in a cell of the grating of the first partition, wherein
a width of the first partition is greater than a width of the second partition.
4 . The display device of claim 3 , wherein
the segments are divided by a first slit provided in the first partition.
5 . The display device of claim 4 , wherein
the first slit overlaps the rib.
6 . The display device of claim 4 , further comprising:
a first sealing layer which covers the display elements and the partition; and
a resin layer which covers the first sealing layer, wherein
the first slit is filled with the resin layer.
7 . The display device of claim 4 , wherein
the first partition has a plurality of second slits which are intermittently provided.
8 . The display device of claim 7 , wherein
a length of each of the second slits is less than or equal to a width of a cell of the grating of the first partition.
9 . The display device of claim 1 , wherein
the upper electrode is in contact with the lower portion.
10 . The display device of claim 9 , wherein
common voltage is applied to the upper electrode through the partition.
11 . The display device of claim 10 , further comprising a plurality of pixel circuits which drive the display elements, wherein
each of the pixel circuits includes a drive transistor having a p-type semiconductor layer, and
the lower electrode is connected to a drain electrode of the drive transistor.
12 . The display device of claim 1 , further comprising a plurality of detection electrodes which face the segments and output a signal based on capacitance between the detection electrodes and the segments.
13 . The display device of claim 12 , wherein
the segments extend in a first direction and are arranged in a second direction intersecting with the first direction, and
the detection electrodes extend in the second direction and are arranged in the first direction.
14 . The display device of claim 13 , further comprising:
a plurality of pixel circuits which drive the display elements, respectively;
a plurality of signal lines which supply a video signal to the pixel circuits; and
a plurality of scanning lines which supply a scanning signal to the pixel circuits, wherein
the first direction is parallel to an extension direction of the signal lines, and
the second direction is parallel to an extension direction of the scanning lines.
15 . The display device of claim 13 , further comprising:
a plurality of pixel circuits which drive the display elements, respectively;
a plurality of signal lines which supply a video signal to the pixel circuits; and
a plurality of scanning lines which supply a scanning signal to the pixel circuits, wherein
the first direction is parallel to an extension direction of the scanning lines, and
the second direction is parallel to an extension direction of the signal lines.
16 . The display device of claim 12 , further comprising:
a first substrate in which the partition is formed;
a second substrate in which the detection electrodes are formed; and
an adhesive layer which attaches the first substrate and the second substrate to each other.
17 . The display device of claim 12 , further comprising:
a first sealing layer which covers the display elements and the partition;
a resin layer which covers the first sealing layer; and
a second sealing layer which covers the resin layer, wherein
the detection electrodes are provided on the second sealing layer.
18 . The display device of claim 12 , further comprising a plurality of floating electrodes provided between adjacent two detection electrodes of the plurality of detection electrodes and spaced apart from the two detection electrodes.
19 . The display device of claim 18 , wherein
the floating electrodes are arranged in an extension direction of the detection electrodes.
20 . The display device of claim 12 , wherein
at least one of the segments includes:
a plurality of sub-segments into which the segment is divided by a third slit; and
a connection portion which connects the sub-segments to each other.