DISPLAY DEVICE AND METHOD OF MANUFACTURING DISPLAY DEVICE
According to one embodiment, a display device includes a base, a lower electrode, a rib including an aperture, a partition, an organic layer in contact with the lower electrode through the aperture, and an upper electrode. The lower electrode includes first lower electrodes in a first area on and second lower electrodes in a second area. The aperture includes first apertures overlapping with the first lower electrodes and second apertures overlapping with the second lower electrodes. The partition includes a first partition dividing the first apertures and second partitions dividing each of the second apertures. The second aperture is smaller than the first aperture. Each of the second partitions is connected to other second partition via a transparent conductive layer.
1 . A display device, comprising:
a base;
a lower electrode arranged on the base;
a rib including an aperture overlapping with the lower electrode;
a partition including a lower portion arranged on the rib and an upper portion protruding from side surfaces of the lower portion;
an organic layer in contact with the lower electrode through the aperture; and
an upper electrode arranged on the organic layer, wherein
the lower electrode includes a plurality of first lower electrodes arranged in a first area on the base and a plurality of second lower electrodes arranged in a second area different from the first area,
the aperture includes a plurality of first apertures overlapping with the plurality of first lower electrodes and a plurality of second apertures overlapping with the plurality of second lower electrodes,
the partition includes a first partition dividing the plurality of first apertures and a plurality of second partitions dividing each of the plurality of second apertures,
an area of each of the plurality of second apertures is smaller than an area of each of the plurality of first apertures, and
each of the plurality of second partitions is arranged to have gaps between the second partition and other second partition and is connected to the other second partitions via a transparent conductive layer arranged on the rib.
2 . The display device of claim 1 , wherein
the second area is arranged at a position overlapping with a photodetector receiving light via the display device.
3 . The display device of claim 1 , wherein
the number of the second apertures per unit area in the second area is the same as the number of the first apertures per unit area in the first area.
4 . The display device of claim 1 , wherein
the number of the second apertures per unit area in the second area is less than the number of the first apertures per unit area in the first area.
5 . The display device of claim 1 , wherein
the second aperture has a shape different from a shape of the first aperture.
6 . The display device of claim 5 , wherein
the first aperture has a rectangular shape, and
the second aperture has a circular shape.
7 . The display device of claim 1 , wherein
each of the plurality of second partitions is arranged to cover a part of the transparent conductive layer.
8 . The display device of claim 1 , further comprising:
a cap layer arranged on the upper electrode; and
a sealing layer arranged on the cap layer, wherein
the cap layer and the sealing layer are not arranged on the transparent conductive layer.
9 . A display device, comprising:
a base;
a lower electrode arranged on the base;
a rib including an aperture overlapping with the lower electrode;
a partition including a lower portion arranged on the rib and an upper portion protruding from side surfaces of the lower portion;
an organic layer in contact with the lower electrode through the aperture; and
an upper electrode arranged on the organic layer, wherein
the lower electrode includes a plurality of first lower electrodes arranged in a first area on the base and a plurality of second lower electrodes arranged in a second area different from the first area,
the aperture includes a plurality of rectangular first apertures overlapping with the plurality of first lower electrodes and a plurality of second circular apertures overlapping with the plurality of second lower electrodes,
the partition includes a first partition dividing the plurality of first apertures and a plurality of second partitions dividing each of the plurality of second apertures,
each of the plurality of second partitions is arranged to have gaps between the second partition and other second partition and is connected to the other second partitions via a transparent conductive layer arranged on the rib, and
the second area is arranged at a position overlapping with a photodetector receiving light.
10 . The display device of claim 9 , wherein
the number of the second apertures per unit area in the second area is the same as the number of the first apertures per unit area in the first area.
11 . The display device of claim 9 , wherein
the number of the second apertures per unit area in the second area is less than the number of the first apertures per unit area in the first area.
12 . The display device of claim 9 , wherein
each of the plurality of second partitions is arranged to cover a part of the transparent conductive layer.
13 . The display device of claim 9 , further comprising:
a cap layer arranged on the upper electrode; and
a sealing layer arranged on the cap layer, wherein
the cap layer and the sealing layer are not arranged on the transparent conductive layer.
14 . A method of manufacturing a display device, the method comprising:
forming a lower electrode on a base;
forming an insulating layer of an inorganic material, the insulating layer covering the lower electrode;
forming a transparent conductive layer on the insulating layer;
forming a partition including a lower portion arranged on the insulating layer and an upper portion protruding from side surfaces of the lower portion;
forming an aperture overlapping with the lower electrode on the insulating layer;
forming an organic layer in contact with the lower electrode through the aperture; and
forming an upper electrode on the organic layer, wherein
the lower electrode includes a plurality of first lower electrodes arranged in a first area on the base and a plurality of second lower electrodes arranged in a second area different from the first area,
the transparent conductive layer is formed in the second area, which does not overlap with the plurality of second lower electrodes,
the aperture includes a plurality of first apertures overlapping with the plurality of first lower electrodes and a plurality of second apertures overlapping with the plurality of second lower electrodes,
the partition includes a first partition dividing the plurality of first apertures and a plurality of second partitions dividing each of the plurality of second apertures,
an area of each of the plurality of second apertures is smaller than an area of each of the plurality of first apertures, and
each of the plurality of second partitions is arranged to have gaps between the second partition and other second partition and is connected to the other second partitions via the transparent conductive layer.
15 . The method of claim 14 , wherein
the second area is arranged at a position overlapping with a photodetector receiving light via the display device.
16 . The method of claim 14 , wherein
the number of the second apertures per unit area in the second area is the same as the number of the first apertures per unit area in the first area.
17 . The method of claim 14 , wherein
the number of the second apertures per unit area in the second area is less than the number of the first apertures per unit area in the first area.
18 . The method of claim 14 , wherein
the second aperture has a shape different from a shape of the first aperture.
19 . The method of claim 18 , wherein
the first aperture has a rectangular shape, and
the second aperture has a circular shape.
20 . The method of claim 14 , wherein
each of the plurality of second partitions is arranged to cover a part of the transparent conductive layer.