Patent ID: 9595679
Date: 2017-03-14
CPC Classifications: C07D,H01L

Claim:
1. An organic light emitting diode comprising: an anode; a cathode; a light emitting layer provided between the anode and the cathode; an organic material layer including a compound represented by the following Chemical Formula 1 and provided between the cathode and the light emitting layer; and an organic material layer including a compound represented by the following Chemical Formula 2 and provided between the anode and the light emitting layer, wherein in Chemical Formula 1, X1 to X3 are the same as or different from each other, and are each independently N or CH, at least one of X1 to X3 is N, Cy1 and Cy2 are the same as or different from each other, and are each independently a benzene cycle; or a naphthalene cycle, at least one of Cy1 and Cy2 is benzene cycle, L1 is a phenylene group; a biphenylene group; or a terphenylene group, m is 1, Ar1 and Ar2 are the same as or different from each other, and are each independently a phenyl group; a phenyl group substituted by an alkyl group; a biphenyl group; or a naphthyl group, and in Chemical Formula 2, Ar3 and Ar4 are the same as or different from each other, and are a phenyl group; or a biphenyl group, L2 is a phenylene group; or a biphenylene group, n is an integer of 0 or 1, R1 to R7 are each independently hydrogen, and Y1 and Y2 are the same as or different from each other, and are each independently alkyl group, wherein the organic material layer including the compound represented by Chemical Formula 1 is an electron transport layer, an electron injection layer, or a layer simultaneously transporting and injecting electrons, and wherein the organic material layer including the compound represented by Chemical Formula 2 is a hole transport layer.