申请人:Itoh Hisanori
公开号:US20080036373A1
公开(公告)日:2008-02-14
A platinum complex represented by the general formula (1) below, useful as a phosphorescence emission material, a tetradentate ligand useful for synthesizing the platinum complex, and a light-emitting device containing at least one of the platinum complex.
wherein ring B represents a nitrogen-containing aromatic heterocyclic ring; rings A, C and D each independently represent an aromatic or aromatic heterocyclic ring, while either of the rings C and D represents five-membered ring, the other represents a five- or six-membered ring; R
A
, R
B
, R
C
, and R
D
respectively represent substituents on the rings A, B, C, and D; two of X
A
, X
B
, X
C
, and X
D
represent a nitrogen atom that may be bound with the platinum atom by a coordinate bond, the others each independently represent a carbon atom or nitrogen atom that may be bound with the platinum atom by a covalent bond; Q represents a bivalent atom or atomic group bridging the rings B and C; and Y
C
and Y
D
each independently represent a carbon atom or nitrogen atom.
由下面的一般公式(1)表示的铂配合物,可用作磷光发射材料,用于合成铂配合物的四齿配体,以及含有至少一种铂配合物的发光器件。其中,环B代表含氮芳香杂环环;环A、C和D分别独立代表芳香环或芳香杂环,而环C和D中的任一环代表五元环,另一环代表五元环或六元环;RA、RB、RC和RD分别代表环A、B、C和D上的取代基;XA、XB、XC和XD中的两个代表可能通过配位键与铂原子结合的氮原子,其他分别独立代表可能通过共价键与铂原子结合的碳原子或氮原子;Q代表作为环B和C之间桥接的二价原子或原子团;YC和YD分别独立代表碳原子或氮原子。