Phosphors and process for production thereof, luminescent compositions, and organic electroluminescent devices and processes for production thereof
申请人:Sakakibara Mitsuhiko
公开号:US20050145830A1
公开(公告)日:2005-07-07
Disclosed herein are, a phosphorescent agent which can form a thin film by a wet method and provide an organic electroluminescence device having high luminance and production process thereof, and a luminescent composition containing the phosphorescent agent, an organic electroluminescence device having a luminescent layer containing the phosphorescent agent and production process thereof.
A phosphorescent agent according to the present invention comprising a polymer having in its molecule a structural unit represented by the following general formula (1).
[In the general formula (1), M represents a metal atom having a valence of 2 to 4, each of R
1
and R
2
represents a hydrogen atom, a halogen atom, a cycloalkyl group, an aryl group and a heterocycle group and R
1
and R
2
may be either the same or different, X
1
represents a phenylene group or a carbonyloxy group, X
2
represents an alkylene group, L represents an organic ligand, p is an integer of 1 to 3, and q is 0 or 1.]
本发明公开了一种可通过湿法形成薄膜并提供具有高亮度的有机电致发光器件的磷光剂及其生产工艺,以及一种含有该磷光剂的发光组合物、一种具有含有该磷光剂的发光层的有机电致发光器件及其生产工艺。
根据本发明的磷光剂包括一种聚合物,其分子中具有由以下通式(1)表示的结构单元。
[在通式(1)中,M 代表价数为 2 至 4 的金属原子,R
1
和 R
2
代表氢原子、卤素原子、环烷基、芳基和杂环基,R
1
和 R
2
可以相同或不同,X
1
代表亚苯基或羰氧基,X
2
代表亚烷基,L 代表有机配体,p 是 1 到 3 的整数,q 是 0 或 1。]