CONJUGATED POLYMER, INSOLUBILIZED POLYMER, ORGANIC ELECTROLUMINESCENT DEVICE MATERIAL, COMPOSITION FOR ORGANIC ELECTROLUMINESCENT DEVICE, METHOD FOR PRODUCING POLYMER, ORGANIC ELECTROLUMINESCENT DEVICE, ORGANIC EL DISPLAY, AND ORGANIC EL ILLUMINATOR
申请人:Mitsubishi Chemical Corporation
公开号:EP2270069A1
公开(公告)日:2011-01-05
An object of the present invention is to provide a conjugated polymer which has a high hole transportability and is excellent in solubility and depositability. Another object of the present invention is to provide an organic electroluminescence element which is capable of low voltage driving and has a high luminous efficiency and drive stability. The conjugated polymer of the present invention is a conjugated polymer containing a specific structure as the repeating unit, where the conjugated polymer contains an insolubilizing group as a substituent, the weight average molecular weight (Mw) is 20,000 or more and the dispersity (Mw/Mn) is 2.40 or less.
本发明的一个目的是提供一种共轭聚合物,该聚合物具有较高的空穴传输性,并具有出色的可溶性和沉积性。本发明的另一个目的是提供一种有机电致发光元件,它能够低压驱动,并具有高发光效率和驱动稳定性。本发明的共轭聚合物是一种含有特定结构作为重复单元的共轭聚合物,其中共轭聚合物含有不溶解基团作为取代基,重量平均分子量(Mw)为 20,000 或以上,分散度(Mw/Mn)为 2.40 或以下。