Patent ID: 8487300
Filing Date: 2013-07-16
Classification: C09B,C09K,H01L,H05B

Abstract:
1. An organic electroluminescent device comprising, in the emitting layer, at least one phosphorescent compound and at least one compound of formula (I) wherein M is on each occurrence, identically or differently, a metal ion in the oxidation state +II, selected from Be, Mg, Ca, Sr, Ba, Fe, Ru, Os, Co, Cu, Zn, Cd, Hg, Sn and Pb; X is on each occurrence, identically or differently, O, S or CO—O; Ar Ar Y is on each occurrence, identically or differently, a single bond or an alkylene group having 1 to 10 C atoms, in which, in addition, one or more non-adjacent C atoms which are not bonded to the nitrogen is optionally replaced by O and which is optionally substituted by one or more radicals R; R is on each occurrence, identically or differently, H, F, Cl, Br, I, N(R R R n is on each occurrence, identically or differently, 0, 1 or 2.