Organic electroluminescent device
View Patent ↗An organic electroluminescent device includes a pair of electrodes; and an organic layer between the pair of electrodes, which includes a light-emitting layer and contains a compound represented by the following formula (1): wherein M 101 represents a transition metal belonging to group IX of the Periodic Table; L 101 represents a ligand; n 101 represents an integer of 1 or more; m 101 represents an integer of 0 or more; Hy 101 represents a heterocyclic aromatic ring; Z 101 , Z 102 , Z 103 and Z 104 each represents a substituted or unsubstituted carbon atom, or a nitrogen atom; and the dashed line represents a coordinate bond, and the compound represented forms a condensed ring via any of Z 101 and Z 102 , Z 102 and Z 103 , and Z 103 and Z 104 , wherein Z in the crosslinking site forming the condensed ring represents a carbon atom.
1. An organic electroluminescent device comprising:
a pair of electrodes; and
an organic layer between the pair of electrodes, which comprises a light-emitting layer and contains a compound represented by the following formula (8):
wherein
the valence of Ir is trivalent;
L 601 represents a ligand;
n 601 represents an integer of 3;
m 601 represents an integer of 0;
X 601 represents an oxygen atom or a sulfur atom;
R 601 , R 602 , R 603 , R 604 , R 605 , R 606 , R 607 , R 608 and R 609 each represent a hydrogen atom or a substituent; and
the dashed line represents a coordinate bond.
2. The organic electroluminescent device of claim 1 , wherein the compound represented by the formula (8) is contained in the light-emitting layer.
3. The organic electroluminescent device of claim 1 , wherein the light-emitting layer contains a nitrogen-containing organic material as a host material.
4. The organic electroluminescent device of claim 1 , wherein the organic layer further comprises an electron-transporting layer containing a metal complex material.
5. A compound represented by the following formula (8):
wherein
the valence of Ir is trivalent;
L 601 represents a ligand;
n 601 represents an integer of 3;
m 601 represents an integer of 0;
X 601 represents an oxygen atom or a sulfur atom;
R 601 , R 602 , R 603 , R 604 , R 605 , R 606 , R 607 , R 608 and R 609 each represents a hydrogen atom or a substituent; and
the dashed line represents a coordinate bond.
6. The organic electroluminescent device of claim 1 , wherein X 601 represents an oxygen atom.
7. The compound of claim 5 , wherein X 601 represents an oxygen atom.