DISPLAY DEVICE
According to one embodiment, a display device comprises a lower electrode, a rib including a plurality of pixel apertures overlapping the lower electrode, a partition, a plurality of organic layers in contact with the lower electrode respectively through the plurality of pixel apertures and emitting light according to an application of a voltage, and a plurality of upper electrodes respectively covering the plurality of organic layers. The partition includes a lower portion provided above the rib, an upper portion having an end portion protruding relative to a side surface of the lower portion, a plurality of apertures respectively overlapping the plurality of pixel apertures, and a partition provided between the plurality of pixel apertures.
1 . A display device, comprising:
a first lower electrode;
a rib including a plurality of first pixel apertures overlapping the first lower electrode;
a partition including a lower portion provided above the rib and an upper portion having an end portion protruding relative to a side surface of the lower portion;
a plurality of first organic layers in contact with the first lower electrode respectively through the plurality of first pixel apertures and emitting light according to an application of a voltage; and
a plurality of first upper electrodes respectively covering the plurality of first organic layers, wherein
the partition includes:
a plurality of first apertures respectively overlapping the plurality of first pixel apertures; and
a first partition provided between the plurality of first pixel apertures.
2 . The display device of claim 1 , wherein
the first lower electrode has a shape elongating in a first direction,
two first apertures of the plurality of first apertures are arranged in the first direction, and
the first partition includes a first portion elongating in a second direction, the second direction intersecting the first direction between the two first apertures.
3 . The display device of claim 2 , wherein
a sum of widths along the first direction of the two first apertures and the first portion is greater than a width along the second direction of at least one of the two first apertures.
4 . The display device of claim 2 , further comprising:
a second lower electrode adjacent to the first lower electrode in the second direction;
a second organic layer emitting light in a color different from a color of the first organic layer, according to an application of a voltage; and
a second upper electrode covering the second organic layer, wherein
the rib includes a second pixel aperture overlapping the second lower electrode,
the second organic layer is in contact with the second lower electrode through the second pixel aperture, and
the partition further includes:
a second aperture overlapping the second pixel aperture; and
a second partition provided between the first pixel aperture and the second pixel aperture.
5 . The display device of claim 4 , wherein
a width along the first direction of the first portion is smaller than a width along the second direction of the second partition.
6 . The display device of claim 4 , wherein
the first portion is orthogonal to the second partition.
7 . The display device of claim 4 , wherein
an area of the first aperture is smaller than an area of the second aperture.
8 . The display device of claim 4 , wherein
a sum of areas of the plurality of first apertures is greater than an area of the second aperture.
9 . The display device of claim 2 , wherein
the two first apertures of the plurality of first apertures are arranged in the second direction,
the first partition includes a second portion provided between the two first apertures arranged in the second direction, and
the second portion intersects the first portion.
10 . A display device, comprising:
a first lower electrode;
a rib including a first pixel aperture overlapping the first lower electrode;
a partition including a lower portion provided above the rib and an upper portion having an end portion protruding relative to a side surface of the lower portion;
a first organic layer in contact with the first lower electrode through the first pixel aperture and emitting light according to an application of a voltage; and
a first upper electrode covering the first organic layer, wherein
the partition includes:
a first aperture overlapping the first pixel aperture; and
a first partition overlapping the first pixel aperture and spaced apart from an edge portion of the first aperture.
11 . The display device of claim 10 , wherein
a width along a first direction of the first aperture is greater than a width along a second direction of the first aperture, the second direction intersecting the first direction, and
the first partition is provided at a center of the first aperture in the first direction.
12 . The display device of claim 11 , wherein
the first partition is provided at a center of the first aperture in the second direction.
13 . The display device of claim 10 , further comprising:
a second lower electrode adjacent to the first lower electrode;
a second organic layer emitting light in a color different from a color of the first organic layer, according to an application of a voltage; and
a second upper electrode covering the second organic layer, wherein
the rib includes a second pixel aperture overlapping the second lower electrode,
the second organic layer is in contact with the second lower electrode through the second pixel aperture, and
the partition further includes:
a second aperture overlapping the second pixel aperture; and
a second partition provided between the first pixel aperture and the second pixel aperture.
14 . The display device of claim 13 , wherein
a width of the first partition is smaller than a width of the second partition.
15 . The display device of claim 13 , wherein
an area of the first aperture is greater than an area of the second aperture.
16 . The display device of claim 10 , wherein
the partition includes a plurality of first partitions.
17 . The display device of claim 16 , wherein
a width along a first direction of the first aperture is greater than a width along a second direction of the first aperture, the second direction intersecting the first direction, and
the plurality of first partitions are arranged in the first direction.
18 . The display device of claim 17 , wherein
the plurality of first partitions are arranged at regular intervals.
19 . The display device of claim 1 , wherein
the first organic layer includes a light emitting layer emitting light exhibiting a blue color.
20 . The display device of claim 4 , wherein
the first organic layer includes a light emitting layer emitting light exhibiting a blue color, and
the second organic layer includes a light emitting layer emitting light exhibiting a green color or a red color.