申请人:Ness Co., Ltd.
公开号:US20020098378A1
公开(公告)日:2002-07-25
An electroluminescent device comprising a transparent electrode layer, a metallic electrode layer, and an organic interlayer disposed between, and in close contact with, the electrode layers wherein the organic interlayer is comprised of an organic luminescent layer, an optional hole transport layer and an optional electron transport layer, and contains a polyimide of formula (I):
1
wherein A is a moeity derived from a dianhydride compound; B is a moiety derived from a diamine compound; and n is an integer of 2 or higher.
一种电致发光器件,包括透明电极层、金属电极层和设置在电极层之间并与电极层紧密接触的有机夹层,其中有机夹层由有机发光层、任选空穴传输层和任选电子传输层组成,并包含式(I)的聚酰亚胺:
1
其中 A 是源自二酐化合物的分子;B 是源自二胺化合物的分子;n 是 2 或更大的整数。