申请人:——
公开号:US20040001970A1
公开(公告)日:2004-01-01
A class of organic metal complexes with mixed ligands for organic light emitting diodes are designed and characterized as the formula:(L
2
L
3
M)n. In this formula: L
2
is a bidentate ligand which has at least one coordinate atom of oxygen; L
3
is a tridentate ligand with three chelate points; M is trivalent metal selected from the group consisting of Al, Ga, In, Tl, and Ir; and n is an integer of from 1 to 2. In Formula (3), X, Y independently represent CH or N and II, III are unsubstituted or substituted aryl or heteroalkyl groups. The substituent groups can be alkyl having 1-8 carbon atoms, halogen, cyano, amino, amido, sulfonyl, carbonyl, aryl, or heteroalkyl groups such as furan, thiophene, pyrrole, pyridine, etc. These complexes can be used as emitting materials or electron transporting materials in organic EL devices.
1
一类具有混合配体的有机金属配合物被设计并用于有机发光二极管,其化学式为:(L2L3M)n。在此式中,L2是一个具有至少一个氧原子配位的双齿配体;L3是一个具有三个螯合点的三齿配体;M是从铝、镓、铟、铊和铱组成的三价金属;n为1到2的整数。在式(3)中,X、Y独立地表示CH或N,II、III是未取代或取代的芳基或杂环烷基。取代基可以是具有1-8个碳原子的烷基,卤素,氰基,氨基,酰胺基,磺酰基,羰基,芳基或杂环烷基,如呋喃,噻吩,吡咯,吡啶等。这些配合物可以用作有机EL器件中的发射材料或电子传输材料。