Patent ID: 8927978
Filing Date: 2015-01-06
Classification: C08G,H01L,H05B

Abstract:
1. An organic electroluminescence (EL) element comprising: a supporting substrate; an anode; a light-emitting layer; an electron injection layer; and a cathode in this order, wherein the electron injection layer comprises an ionic polymer, and the ionic polymer comprises one or more structural units selected from the group consisting of a structural unit represented by formula (13), a structural unit represented by formula (15), a structural unit represented by formula (17) and a structural unit represented by formula (20): wherein R wherein R Q wherein in formulae (4) to (12), R′ represents a divalent hydrocarbon group having or not having a substituent, R″ represents a hydrogen atom, a monovalent hydrocarbon group having or not having a substituent, —COOH, —SO m1 and m2 individually represent an integer of 1 or more respectively and, in a case in which there are a plurality of Q wherein R Q Q m3 and m4 individually represent an integer of 1 or more respectively, and in a case in which there are a plurality of Q wherein R wherein R wherein R wherein R wherein R wherein R