Organic electroluminescent device
View Patent ↗An organic electroluminescent device comprising: a pair of electrodes; and at lest one organic layer provided between the pair of electrodes, at least one of the at least one organic layer being a light emitting layer, wherein the light-emitting layer comprises a compound represented by the formula (I) as defined herein.
1. An organic electroluminescent device comprising:
a pair of electrodes; and
at least one organic layer provided between the pair of electrodes, at least one of the at least one organic layer being a light emitting layer,
wherein the light-emitting layer comprises a compound represented by the formula (II):
wherein Q 21 and Q 22 each represent a group necessary to form a nitrogen-containing heterocyclic ring; Y 22 represents a nitrogen atom or a substituted or unsubstituted carbon atom; M 21 represents a transition metal ion; L 21 represents a ligand; n 21 represents an integer of 1 to 3; and n 22 represents an integer of 0 to 4; with proviso that a compound in which Q 21 and Q 22 are connected together to form a porphyrin ring is excluded.
2. An organic electroluminescent device comprising:
a pair of electrodes; and
at least one organic layer provided between the pair of electrodes, at least one of the at least one organic layer being a light emitting layer,
wherein the light-emitting layer comprises a compound represented by the formula (III):
wherein Q 31 and Q 32 each represent a group necessary to form a nitrogen-containing heterocyclic ring; Y 32 , Y 34 , and Y 35 each represent a nitrogen atom or a substituted or unsubstituted carbon atom; M 31 represents a transition metal ion; L 31 represents a ligand; n 31 represents an integer of 1 to 3; and n 32 represents an integer of 0 to 4.
3. The organic electroluminescent device of claim 1 , wherein the compound represented by the formula (II) is a compound represented by the formula (IV):
wherein R 41 , R 42 , R 43 , R 44 , and R 45 each represent a hydrogen atom or a substituent; Y 47 and Y 48 each represent an oxygen atom, a sulfur atom, a quaternary carbon atom or a substituted or unsubstituted nitrogen atom; Q 41 represents a group necessary to form an aromatic ring; Q 42 represents a group necessary to form a nitrogen-containing heterocyclic ring; n 41 and n 42 each represent 1 or 2; and M 41 represents a transition metal ion.
4. The organic electroluminescent device of claim 2 , wherein the compound represented by the formula (III) is a compound represented by the formula (V):
wherein R 51 , R 52 , R 53 , R 54 , R 55 , R 56 , and R 57 each represent a hydrogen atom or a substituent; Q 51 represents a group necessary to form an aromatic ring; Q 52 represents a group necessary to form a nitrogen-containing heterocyclic ring; n 51 and n 52 each represent 1 or 2; and M 51 represents a transition metal ion.
5. The organic electroluminescent device of claim 4 , wherein the compound represented by the formula (V) is a compound represented by the formula (VI):
wherein Y 67 and Y 68 each represent an oxygen atom, a sulfur atom, a quaternary carbon atom or a substituted or unsubstituted nitrogen atom; R 61 , R 62 , R 63 , R 64 , and R 65 each represent a substituent; and n 62 , n 63 , n 64 , and n 65 each represent an integer of 0 to 4.
6. The organic electroluminescent device of claim 5 , wherein n 62 , n 63 , n 64 , and n 65 each represent an integer of 0 to 2.
7. The organic electroluminescent device of claim 5 , wherein n 62 , n 63 , n 64 , and n 65 each represent an integer of 0 or 1.
8. The organic electroluminescent device of claim 5 , wherein n 62 , n 63 , n 64 , and n 65 each represent 0.
9. The organic electroluminescent device of claim 1 , wherein M 21 represents an iridium ion, a platinum ion, a rhenium ion or a ruthenium ion.
10. The organic electroluminescent device of claim 3 , wherein M 41 represents an iridium ion, a platinum ion, a rhenium ion or a ruthenium ion.
11. The organic electroluminescent device of claim 4 , wherein M 51 represents an iridium ion, a platinum ion, a rhenium ion or a ruthenium ion.
12. The organic electroluminescent device of claim 1 , wherein n 21 represents 1 or 2.
13. The organic electroluminescent device of claim 1 , wherein n 22 represents an integer of 0 to 2.
14. A compound represented by the formula (VI):
wherein Y 67 and Y 68 each represent an oxygen atom, a sulfur atom, a quaternary carbon atom or a substituted or unsubstituted nitrogen atom; R 61 , R 62 , R 63 , R 64 , and R 65 each represent a substituent; and n 62 , n 63 , 64 , and n 65 each represent an integer of 0 to 4.
15. The compound of claim 14 , wherein n 62 , n 63 , n 64 , and n 65 each represent an integer of 0 to 2.
16. The compound of claim 14 , wherein n 62 , n 63 , n 64 , and n 65 each represent an integer of 0 or 1.
17. The compound of claim 14 , wherein n 62 , n 63 , n 64 , and n 65 each represent 0.
18. An organic electroluminescent device comprising:
a pair of electrodes; and
at least one organic layer provided between the pair of electrodes, at least one of the at least one organic layer being a light emitting layer,
wherein the light-emitting layer comprises a compound represented by the formula (I):
wherein R 11 and R 12 each represent a substituent; Y 11 , Y 12 , and Y 13 each represent a substituted carbon atom, M 11 represents iridium; L 11 represents 2-phenyl pyridine; X 11 represents a counter ion; n 11 represents an integer of 1; n 12 represents an integer of2; and n 13 represents an integer of 0; with proviso that a compound in which R 11 and R 12 are connected together to form a porphyrin ring is excluded.