Organic electroluminescence device, novel platinum complex compound and novel compound capable of being a ligand thereof
View Patent ↗An organic electroluminescence device, includes: a pair of electrodes; and at least one organic layer including a light emitting layer, the light emitting layer being provided between the pair of electrodes, wherein at least one layer of the at least one organic layer contains a compound represented by formula (1) as defined in the specification.
1. An organic electroluminescence device, comprising:
a pair of electrodes; and
at least one organic layer including a light emitting layer, the light emitting layer being provided between the pair of electrodes,
wherein at least one layer of the at least one organic layer contains a compound represented by formula (4a-4):
wherein each of R 1 , R 2 , R 4 , R 41 , R 42 , R 43 , R 44 , R 45 , R 46 , R 74 and R 75 independently represents a hydrogen atom or a substituent; and
L represents a single bond or a divalent connecting group.
2. The organic electroluminescence device according to claim 1 ,
wherein the light emitting layer contains at least one member of the compound represented by formula (4a-4).
3. The organic electroluminescence device according to claim 1 ,
wherein at least one layer of the at least one organic layer contains a material having at least one deuterium atom.
4. The organic electroluminescence device according to claim 3 ,
wherein the material having at least one deuterium atom is a material containing any one of a carbazole structure and an indole structure each having at least one deuterium atom.
5. A compound represented by formula (4a-4):
wherein each of R 1 , R 2 , R 4 , R 41 , R 42 , R 43 , R 44 , R 45 , R 46 , R 74 and R 75 independently represents a hydrogen atom or a substituent; and
L represents a single bond or a divalent connecting group.