Patent ID: 9614163
Date: 2017-04-04
CPC Classifications: C07D,C07F,C09K,H01L

Claim:
1. A light-emitting diode comprising: a first electrode; a second electrode; a light-emitting layer disposed between the first electrode and the second electrode; a hole transportable layer disposed between the first electrode and the light-emitting layer; and a blocking layer, which is disposed between the hole transportable layer and the light-emitting layer and includes a compound represented by the following Chemical Formula 1: wherein X and Y each independently represent N-L one of X and Y is N-L Z Ar W R R independently in each of Chemical Formulae 3 and 4, m represents an integer of 0 to 3 and n represents an integer of 0 to 4, L L Ar one or more of the hydrogens of Chemical Formula 1 are each independently unsubstituted or substituted with one or more substituents selected from the group consisting of an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, an amine group unsubstituted or substituted with one or more alkyl groups having 1 to 6 carbon atoms, an aryl group having 6 to 30 carbon atoms, an aryloxy group having 6 to 20 carbon atoms, an arylthio group having 6 to 20 carbon atoms, an alkoxycarbonyl group having 1 to 6 carbon atoms, a halogen group, a cyano group, a nitro group, a hydroxyl group, and a carboxyl group.