PHOSPHORESCENT MATERIAL, PROCESS FOR PRODUCING PHOSPHORESCENT MATERIAL, AND PHOSPHORESCENT ELEMENT
申请人:Kyushu University
公开号:EP2684933A1
公开(公告)日:2014-01-15
Provided are a phosphorescent material which is excellent in horizontal orientation and the like when a thin film is formed, a process for efficiently producing the phosphorescent material, and a light emitting element using the phosphorescent material.
The present invention provides a phosphorescent material represented by the following general formula (1), a process for producing the phosphorescent material, and a light emitting element using the phosphorescent material, wherein the phosphorescent material has a straight-chain conjugated structure, a 2-phenylpyridine ligand, a central metal and a β-diketone-type ligand,
In the general formula (1), end substituents R1 and R2 each is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, or the like, substituents a to l and o to s each is a hydrogen atom or the like, the central metal M is platinum or the like, and repetition numbers m and n each is an integer of 0 to 4.
本发明提供了一种在形成薄膜时具有良好的水平方向性等特性的磷光材料、一种高效生产该磷光材料的工艺以及一种使用该磷光材料的发光元件。
本发明提供了一种由以下通式(1)表示的磷光材料、一种生产该磷光材料的工艺以及一种使用该磷光材料的发光元件,其中该磷光材料具有直链共轭结构、2-苯基吡啶配体、中心金属和β-二酮型配体、
在通式(1)中,末端取代基 R1 和 R2 各为氢原子、具有 1 至 20 个碳原子的烷基或类似物,取代基 a 至 l 和 o 至 s 各为氢原子或类似物,中心金属 M 为铂或类似物,重复数 m 和 n 各为 0 至 4 的整数。