Organic electroluminescent device
View Patent ↗An organic electroluminescent device having a pair of electrodes, at least one organic layer between the pair of electrodes, the one organic layer including a light-emitting layer, wherein the one organic layer contains a compound represented by formula (I): wherein Q 1 represents an atomic group necessary for forming an unsaturated ring together with the carbon atom, Q 2 and Q 3 each independently represents an atomic group necessary for forming an unsaturated ring together with the nitrogen atom, the atomic group of each of Q 1 , Q 2 and Q 3 may have a hydrogen atom or a substituent, L 1 and L 2 each independently represents a linking group which may have a substituent, n represents 0 or 1, and A 1 represents a structure containing an atom bonded to the platinum atom.
1. An organic electroluminescent device comprising:
a pair of electrodes; and
at least one organic layer between the pair of electrodes, the at least one organic layer including a light-emitting layer,
wherein the at least one organic layer contains a compound represented by formula (I):
wherein Q 1 represents an atomic group necessary for forming an unsaturated ring together with the carbon atom; Q 2 and Q 3 each independently represents an atomic group necessary for forming an unsaturated ring together with the nitrogen atom; the atomic group of each of Q 1 , Q 2 and Q 3 may have a hydrogen atom or a substituent; L 1 and L 2 each independently represents a linking group which may have a substituent; n represents 0; and A 1 represents a structure containing an atom bonded to the platinum atom, and wherein, the unsaturated ring formed by Q 1 is directly linked to the unsaturated ring formed by Q 2 and to the unsaturated ring formed by Q 3 .
2. An organic electroluminescent device comprising:
a pair of electrodes; and
at least one organic layer between the pair of electrodes, the at least one organic layer including a light-emitting layer,
wherein the at least one organic layer contains a compound represented by formula (II):
wherein Q 1 represents an atomic group necessary for forming an unsaturated ring together with the carbon atom; Q 2 and Q 3 each independently represents an atomic group necessary for forming an unsaturated ring together with the nitrogen atom; the atomic group of each of Q 1 , Q 2 and Q 3 may have a hydrogen atom or a substituent; L 1 and L 2 each independently represents a linking group which may have a substituent; n represents 0; and A 1 represents a structure containing an atom bonded to the platinum atom, and wherein, the unsaturated ring formed by Q 3 is directly linked to the unsaturated ring formed by Q 2 and to the unsaturated ring formed by Q 3 .
3. An organic electroluminescent device comprising:
a pair of electrodes; and
at least one organic layer between the pair of electrodes, the at least one organic layer including a light-emitting layer,
wherein the at least one organic layer contains a compound represented by formula (III):
wherein Q 1 represents an atomic group necessary for forming an unsaturated ring together with the carbon atom; Q 2 and Q 3 each independently represents an atomic group necessary for forming an unsaturated ring together with the nitrogen atom; the atomic group of each of Q 1 , Q 2 and Q 3 may have a hydrogen atom or a substituent; L 1 and L 2 each independently represents a linking group which may have a substituent; n represents 0; and A 1 represents a structure containing an atom bonded to the platinum atom, and wherein, the unsaturated ring formed by Q 2 is directly linked to the unsaturated ring formed by Q 1 and to the unsaturated ring formed by Q 3 .
4. An organic electroluminescent device comprising:
a pair of electrodes; and
at least one organic layer between the pair of electrodes, the at least one organic layer including a light-emitting layer,
wherein the at least one organic layer contains a compound represented by formula (IV):
wherein Q 1 and Q 4 each independently represents an atomic group necessary for forming an unsaturated ring together with the carbon atom; Q 2 represents an atomic group necessary for forming an unsaturated ring together with the nitrogen atom; the atomic group of each of Q 1 , Q 2 and Q 4 may have a hydrogen atom or a substituent; L 1 and L 2 each independently represents a linking group which may have a substituent; n represents 0; and A 2 represents a structure containing an atom bonded to the platinum atom, and wherein, the unsaturated ring formed by Q 4 is directly linked to the unsaturated ring formed by Q 1 and to the unsaturated ring formed by Q 2 .
5. An organic electroluminescent device comprising:
a pair of electrodes; and
at least one organic layer between the pair of electrodes, the at least one organic layer including a light-emitting layer,
wherein the at least one organic layer contains a compound represented by formula (V):
wherein Q 1 and Q 4 each independently represents an atomic group necessary for forming an unsaturated ring together with the carbon atom; Q 2 represents an atomic group necessary for forming an unsaturated ring together with the nitrogen atom; the atomic group of each of Q 1 , Q 2 and Q 4 may have a hydrogen atom or a substituent; L 1 and L 2 each independently represents a linking group which may have a substituent; n represents 0; and A 2 represents a structure containing an atom bonded to the platinum atom, and wherein, the unsaturated ring formed by Q 2 is directly linked to the unsaturated ring formed by Q 1 and to the unsaturated ring formed by Q 4 .
6. An organic electroluminescent device comprising:
a pair of electrodes; and
at least one organic layer between the pair of electrodes, the at least one organic layer including a light-emitting layer,
wherein the at least one organic layer contains a compound represented by formula (VI):
wherein Q 1 and Q 4 each independently represents an atomic group necessary for forming an unsaturated ring together with the carbon atom; Q 2 represents an atomic group necessary for forming an unsaturated ring together with the nitrogen atom; the atomic group of each of Q 1 , Q 2 and Q 4 may have a hydrogen atom or a substituent; L 1 and L 2 each independently represents a linking group which may have a substituent; n represents 0; and A 2 represents a structure containing an atom bonded to the platinum atom, and wherein, the unsaturated ring formed by Q 1 is directly linked to the unsaturated ring formed by Q 2 , and to the unsaturated ring formed by Q 4 .
7. The organic electroluminescent device of claim 1 , wherein the compound represented by formula (I) is a compound represented by formula (VII):
wherein R 1 , R 2 and R 3 each independently represents a substituent; p1, p2 and p3 each independently represents an integer of 0 to 3; when p1 to p3 each is 2 or more, multiple R 1 s, R 2 s or R 3 s are the same or different and each pair of R 1 and R 1 , R 2 and R 2 , R 3 and R 3 , R 1 and R 2 , R 2 and R 3 , and R 1 and R 3 may combine with each other to form a ring; when p1 is 0, the benzene ring has no R 1 , and when p2 and p3 each is 0, the pyridine rings have no R 2 and R 3 ; and L 1 , L 2 , n and A 1 have the same meanings as L 1 , L 2 , n and A 1 in formula (I).
8. The organic electroluminescent device of claim 2 , wherein the compound represented by formula (II) is a compound represented by formula (VIII):
wherein R 1 , R 2 and R 3 each independently represents a substituent; p1, p2 and p3 each independently represents an integer of 0 to 3; when p1 to p3 each is 2 or more, multiple R 1 s, R 2 s or R 3 s are the same or different and each pair of R 1 and R 1 , R 2 and R 2 , R 3 and R 3 , R 1 and R 2 , R 2 and R 3 , and R 1 and R 3 may combine with each other to form a ring; when p1 is 0, the benzene ring has no R 1 , and when p2 and p3 each is 0, the pyridine rings have no R 2 and R 3 ; and L 1 , L 2 , n and A 1 have the same meanings as L 1 , L 2 , n and A 1 in formula (II).
9. The organic electroluminescent device of claim 3 , wherein the compound represented by formula (III) is a compound represented by formula (IX):
wherein R 1 , R 2 and R 3 each independently represents a substituent; p1, p2 and p3 each independently represents an integer of 0 to 3; when p1 to p3 each is 2 or more, multiple R 1 s, R 2 s or R 3 s are the same or different and each pair of R 1 and R 1 , R 2 and R 2 , R 3 and R 3 , R 1 and R 2 , R 2 and R 3 , and R 1 and R 3 may combine with each other to form a ring; when p1 is 0, the benzene ring has no R 1 , and when p2 and p3 each is 0, the pyridine rings have no R 2 and R 3 ; and L 1 , L 2 , n and A 1 have the same meanings as L 1 , L 2 , n and A 1 in formula (III).
10. The organic electroluminescent device of claim 4 , wherein the compound represented by formula (IV) is a compound represented by formula (X):
wherein R 1 , R 2 and R 4 each independently represents a substituent; p1, p2 and p4 each independently represents an integer of 0 to 3; when p1, p2 and p4 each is 2 or more, multiple R 1 s, R 2 s or R 4 s are the same or different and each pair of R 1 and R 1 , R 2 and R 2 , R 4 and R 4 , R 1 and R 2 , R 2 and R 4 , and R 1 and R 4 may combine with each other to form a ring; when p1 and p4 each is 0, the benzene rings have no R 1 and R 4 , and when p2 is 0, the pyridine ring has no R 2 ; and L 1 , L 2 , n and A 2 have the same meanings as L 1 , L 2 , n and A 2 in formula (IV).
11. The organic electroluminescent device of claim 5 , wherein the compound represented by formula (V) is a compound represented by formula (XI):
wherein R 1 , R 2 and R 4 each independently represents a substituent; p1, p2 and p4 each independently represents an integer of 0 to 3; when p1, p2 and p4 each is 2 or more, multiple R 1 s, R 2 s or R 4 s are the same or different and each pair of R 1 and R 1 , R 2 and R 2 , R 4 and R 4 , R 1 and R 2 , R 2 and R 4 , and R 1 and R 4 may combine with each other to form a ring; when p1 and p4 each is 0, the benzene rings have no R 1 and R 4 , and when p2 is 0, the pyridine ring has no R 2 ; and L 1 , L 2 , n and A 2 have the same meanings as L 1 , L 2 , n and A 2 in formula (V).
12. The organic electroluminescent device of claim 6 , wherein the compound represented by formula (VI) is a compound represented by formula (XII):
wherein R 1 , R 2 and R 4 each independently represents a substituent; p1, p2 and p4 each independently represents an integer of 0 to 3; when p1, p2 and p4 each is 2 or more, multiple R 1 s, R 2 s or R 4 s are the same or different and each pair of R 1 and R 1 , R 2 and R 2 , R 4 and R 4 , R 1 and R 2 , R 2 and R 4 , and R 1 and R 4 may combine with each other to form a ring; when p1 and p4 each is 0, the benzene rings have no R 1 and R 4 , and when p2 is 0, the pyridine ring has no R 2 ; and L 1 , L 2 , n and A 2 have the same meanings as L 1 , L 2 , n and A 2 in formula (VI).
13. An organic electroluminescent device comprising:
a pair of electrodes; and
at least one organic layer between the pair of electrodes, the at least one organic layer including a light-emitting layer,
wherein the at least one organic layer contains a compound represented by formula (I), (II), (III), (IV), (V), or (VI):
wherein, Q 1 and Q 4 represent an atomic group necessary for forming an unsaturated ring together with the carbon atom; Q 2 and Q 3 each independently represents an atomic group necessary for forming an unsaturated ring together with the nitrogen atom; the atomic group of each of Q 1 , Q 2 , Q 3 , and Q 4 may have a hydrogen atom or a substituent; L 1 and L 2 each independently represents a linking group which may have a substituent; n represents 0; and A 1 and A 2 each represent a structure containing an atom bonded to the platinum atom, and wherein the links between respective unsaturated rings formed by Q 1 -Q 4 are a direct bond.