Patent ID: 9722006
Date: 2017-08-01
CPC Classifications: H01L

Claim:
1. An organic light-emitting device, comprising: an underlayer disposed above a substrate; a partition wall that covers a first part of a surface of the underlayer and surrounds a second part of the surface of the underlayer; and an organic film that includes organic material, is disposed in a recess formed by the partition wall surrounding the second part, and is in contact with the surface of the underlayer and a surface of the partition wall, wherein the surface of the underlayer has a protruding portion that protrudes in an upward direction, to a greater height than a portion of the second part that does not overlap with the protruding portion, the protruding portion being composed of a top surface and an inclined surface, the inclined surface surrounding the top surface in a plan view, and the first part includes at least the top surface and a portion of the inclined surface, and an innermost edge of the partition wall is in contact with the inclined surface or a level portion of the surface of the underlayer that is not the protruding portion.