ORGANIC ELECTROLUMINESCENT DEVICES AND METAL COMPLEX COMPOUNDS
摘要:
An organic electroluminescent device, comprising a pair of electrodes and at least one organic layer including a luminescent layer between the pair of electrodes, wherein at least one layer between the pair of electrodes comprises at least one metal complex represented by formula (1):

wherein
M 11 represents a metal ion;
L 11 , L 12 , L 13 , L 14 , and L 15 each represent a ligand to coordinate to M 11 ;
Y 11 , Y 12 , and Y 13 each represent a linking group, a single bond, or a double bond;
a bond between L 11 and Y 12 , a bond between Y 12 and L 12 , a bond between L 12 and Y 11 , a bond between Y 11 and L 13 , a bond between L 13 and Y 13 , and a bond between Y 13 and L 14 each represent a single bond, or a double bond;
n 11 represents 0 to 4,
excluding metal complexes having no carbon-metal bond.
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