申请人:Sumitomo Chemical Company Limited
公开号:EP2594607A1
公开(公告)日:2013-05-22
It is an object of the present invention to provide a composition using a polymer compound, which is useful for manufacturing a blue phosphorescent light-emitting device excellent in luminous efficiency. The present invention provides a composition including: a polymer compound substantially consisting of a constitutional unit selected from a constitutional unit represented by Formula (1)-1 below, a constitutional unit represented by Formula (1)-2 below, a constitutional unit represented by Formula (2)-1 below, a constitutional unit represented by Formula (2)-2 below, and a constitutional unit derived from a phosphorescent light-emitting compound having a light-emitting spectrum peak at smaller than 480 nm and the polymer compound containing at least both of the constitutional unit represented by Formula (1)-1 and the constitutional unit represented by Formula (1)-2; and a phosphorescent light-emitting compound having a light-emitting spectrum peak at smaller than 480 nm.
本发明的目的是提供一种使用聚合物化合物的组合物,该组合物可用于制造发光效率极佳的蓝色磷光发光器件。本发明提供了一种组合物,包括一种聚合物化合物,该聚合物化合物实质上由一个构型单元组成,该构型单元选自如下式(1)-1 所代表的构型单元、如下式(1)-2 所代表的构型单元、如下式(2)-1 所代表的构型单元、如下式(2)-2 所代表的构型单元,以及一个源自磷光发光化合物的构型单元,该磷光发光化合物的发光光谱峰值小于 480 纳米,且该聚合物化合物至少同时含有如下式(1)-1 所代表的构型单元和如下式(1)-2 所代表的构型单元;以及发光光谱峰值小于 480 纳米的磷光发光化合物。