Patent ID: 9601698
Date: 2017-03-21
CPC Classifications: H01L

Claim:
1. An organic light-emitting device comprising: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and comprising an emission layer, wherein the emission layer comprises at least one first host selected from compounds represented by Formula 1 and at least one second host selected from compounds represented by Formula 2: wherein, in Formulae 1 and 2, A X X L a C a C L a11, and a21 are each independently an integer selected from 0 to 5; Y a substituted or unsubstituted C Y a substituted or unsubstituted C wherein at least one substituent of the substituted C a deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid group and a salt thereof, a sulfonic acid group and a salt thereof, a phosphoric acid group and a salt thereof, a C a C a C a C wherein Q R a hydrogen, a deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid group and a salt thereof, a sulfonic acid group and a salt thereof, a phosphoric acid group and a salt thereof, a C a C a C a C b11 to b14, and b21 to b24 are each independently an integer selected from 1 to 4.