Patent ID: 11937463
Assignee: JAPAN DISPLAY INC.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 0:
1. A display device comprising:
a substrate;
a lower electrode overlapping the substrate in a plan view;
a rib comprising an aperture overlapping the lower electrode;
a first partition comprising
a first lower portion provided on the rib, and
a first upper portion provided on the first lower portion and extending beyond a side surface of the first lower portion;

a second partition comprising
a second lower portion provided on the rib, and
a second upper portion provided on the second lower portion and extending beyond a side surface of the second lower portion;

an organic layer provided on the lower electrode in the aperture and including a light emitting layer; and
an upper electrode which is provided on the organic layer, the upper electrode is in direct contact with the side surface of the second lower portion of the second partition, and the upper electrode is not in contact with the side surface of the first lower portion of the first partition, wherein
the first partition and the second partition face each other across the aperture,
the organic layer comprises
a first end portion located on the rib and between the first lower portion of the first partition and the aperture, and
a second end portion located on the rib and between the second lower portion of the second partition and the aperture,

a second thickness of the upper electrode in a second region directly above the second end portion of the organic layer is greater than a first thickness of the upper electrode in a first region directly above the first end portion of the organic laver, and
a second contact area of the upper electrode and the second lower portion of the second partition is greater than a first contact area of the upper electrode and the first lower portion of the first partition.