Patent ID: 9496516
Filing Date: 2016-11-15
CPC Classification: H01L

Claim Text:
1. An organic light-emitting element comprising: a lower electrode and an upper electrode, one of the electrode serving as a reflective electrode, and the other thereof serving as a transparent electrode; and a light-emitting layer placed between the lower electrode and the upper electrode, the light-emitting layer containing a host and a first dopant, wherein the first dopant contains a first functional group, for the first dopant, one of a vertical component and a horizontal component of an average value for transition dipole moments with respect to a substrate surface is larger than the other of the components, and the concentration of the first dopant is higher in either one of: a region of the light-emitting layer with the upper electrode closer thereto; and a region thereof with the lower electrode closer thereto, than in the other of the regions.