Patent ID: 9515271
Filing Date: 2016-12-06
CPC Classification: C09B,C09K,H01L

Claim Text:
1. An organic light-emitting device, comprising: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein: the organic layer includes an emission layer and an electron transport region, the electron transport region being between the emission layer and the second electrode; the emission layer includes a first compound represented by any one of the following Formulae 1-1 and 1-2: the electron transport region includes a second compound represented by any one of the following Formulae 2-1 and 2-2: wherein, in Formulae 1-1, 1-2, 2-1, and 2-2, A A B X X L a11, a12, and a21 to a23 are each independently selected from 0, 1, 2, and 3; R b11, b12, b21, and b22 are each independently selected from 1, 2, and 3; R b13 and b23 are each independently selected from 1 and 2; n21 is selected from 1, 2, and 3; 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 or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid group or a salt thereof, a C a C a C a C —Si(Q wherein Q