Organic electroluminescent device, display, and illuminating device
View Patent ↗An organic electroluminescent element including at least an emission layer sandwiched between an anode and a cathode, wherein the emission layer comprises at least a compound represented by Formula (A),
1. An organic electroluminescent element comprising at least an emission layer sandwiched between an anode and a cathode, wherein the emission layer comprises at least a compound represented by Formula (3)′,
wherein X represents O or S; A 1 and A 2 each represent a hydrogen atom or a substituent and at least one of A 1 and A 2 is a substituent having a carbazoyl group; L 1 and L 2 each represent a divalent linking group; n is an integer of 2 or more; n3 and n4 each are 0 or 1, provided that when A 1 is the carbazoyl group and n3 is 0, the carbazoyl group of A 1 bonds via a nitrogen atom.
2. An organic electroluminescent element comprising at least an emission layer sandwiched between an anode and a cathode, wherein the emission layer comprises at least a compound represented by Formula (3)′:
wherein X represents O or S; A 1 and A 2 each represent a hydrogen atom or a substituent and at least one of A 1 and A 2 is a substituent having a carbolinyl group; L 1 and L 2 each represent a divalent linking group; n is an integer of 2 or more n3 and n4 each are 0 or 1.
3. The organic electroluminescent element of claim 1 , wherein n is an integer of 2 to 10.
4. The organic electroluminescent element of claim 2 , wherein n is an integer of 2 to 10.
5. The organic electroluminescent element of claim 1 , generating emission of white color.
6. A lighting device comprising the organic electroluminescent element described in claim 1 .
7. The organic electroluminescent element of claim 1 , wherein the compound represented by Formula (3) is further to represented by Formula (1),
wherein X represents of O or S; n is an integer of 2 or more; A 1 and A 2 each represent a hydrogen atom or a substituent; and at least one of A 1 and A 2 are a substituent having a carbazoyl group, and the carbazoyl group in A 1 bonds via a nitrogen atom.
8. The organic electroluminescent element of claim 2 , wherein the compound represented by Formula (3) is further represented by Formula (1),
wherein X represents of O or S; n is an integer of 2 or more; A 1 and A 2 each represent a hydrogen atom or a substituent; and at least one of A 1 and A 2 are a substituent having a carbolinyl group.
9. The organic electroluminescent element of claim 1 , wherein the emission layer incorporates a phosphorescence-emitting metal complex and wherein the phosphorescence-emitting metal complex is an Ir complex.
10. The organic electroluminescent element of claim 2 , wherein the emission layer incorporates a phosphorescence-emitting metal complex and wherein the phosphorescence-emitting metal complex is an Ir complex.
11. The organic electroluminescent element of claim 2 , generating emission of white color.
12. A lighting device comprising the organic electroluminescent element described in claim 2 .