POLYMER FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, AND ORGANIC ELECTROLUMINESCENT ELEMENT USING CURED PRODUCT OF SAME
申请人:Nippon Steel & Sumikin Chemical Co., Ltd.
公开号:EP2692751A1
公开(公告)日:2014-02-05
Provided are a polymer for an organic electroluminescent element, which has high light emission efficiency and is applicable to a wet process, a cured product thereof, and an organic electroluminescent element using the cured product. The polymer for an organic electroluminescent element is represented by the following general formula (1) and includes an indolocarbazole skeleton and a polymerizable group as pendants in a repeating unit constituting a main chain, in which the polymer has a weight-average molecular weight of 1,000 to 1,000,000. An organic electroluminescent element that uses the cured product of the polymer for an organic electroluminescent element in an organic layer is also disclosed.
R's each represent a hydrogen atom or a monovalent organic group, Y represents a divalent linking group, Z represents a substituted or unsubstituted indolocarbazolyl group having a bonding hand at an N-position, W represents a polymerizable group, m and n represent abundance molar ratios, and m represents 1 to 95 mol% and n represents 5 to 99 mol%, and l represents an average number of repetitions and represents 2 to 10,000.
本文提供了一种光发射效率高且适用于湿法工艺的有机电致发光元件用聚合物、其固化产物以及使用该固化产物的有机电致发光元件。用于有机电致发光元件的聚合物由以下通式(1)表示,在构成主链的重复单元中包括吲哚咔唑骨架和作为垂体的可聚合基团,其中聚合物的重量平均分子量在 1,000 至 1,000,000 之间。此外,还公开了一种有机电致发光元件,该元件使用聚合物的固化产物作为有机层中的有机电致发光元件。
R 各代表氢原子或一价有机基团,Y 代表二价连接基团,Z 代表在 N 位具有键合手柄的取代或未取代的吲哚咔唑基团,W 代表可聚合基团,m 和 n 代表丰度摩尔比,m 代表 1 至 95 摩尔%,n 代表 5 至 99 摩尔%,l 代表平均重复次数,代表 2 至 10,000 次。