Patent ID: 9525144
Filing Date: 2016-12-20
CPC Classification: H01L

Claim Text:
1. An organic light-emitting device comprising: a substrate; a first electrode on the substrate; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole migration transfer region between the first electrode and the emission layer; and an electron migration region between the emission layer and the second electrode, wherein the hole migration region comprises a first compound represented by Formula 1 and a second compound represented by Formula 100 below, optionally the emission layer comprises the second compound, and the second compound in the hole migration region and the second compound in the emission layer are the same or different from each other: wherein, in Formula 1, Ar xa and xb are, each independently, an integer from 0 to 5; R R in Formula 100, i) R ii) R Ar Ar p and q are, each independently, an integer from 0 to 5, wherein when p is 0, Ar