Material for organic electroluminescence element, organic electroluminescence element, display device and lighting device
View Patent ↗Disclosed is an organic EL device material having high luminous efficiency and high color purity. Also disclosed are an organic EL device, and an illuminating device and a display each using the organic EL device.
1. An organic electroluminescence element material comprising a metal complex, wherein the metal complex is represented by the Formula 6 or Formula 7, or an isomer thereof as a part of the structure thereof;
in the above formula, A 51 , A 52 and A 53 are each a carbon atom; M 15 is Pt; L 9 and L 10 are each a divalent hydrocarbon group; Ra 1 and Ra 2 are each a hydrogen atom; and n 1 and n 2 are each an integer of 3,
in the above formula, A 61 , A 62 and A 63 are each a carbon atom; M 16 is Pt; L 11 and L 12 are each a divalent hydrocarbon group; Ra 3 and Ra 4 are each a hydrogen atom; and n 3 and n 4 are each an integer of 3.
2. The organic electroluminescence element material of claim 1 , wherein the metal complex is represented by the Formula 6 or an isomer thereof as a part of the structure thereof;
in the above formula, A 51 , A 52 and A 53 are each a carbon atom; M 15 is Pt; L 9 and L 10 are each a divalent hydrocarbon group; Ra 1 and Ra 2 are each a hydrogen atom; and n 1 and n 2 are each an integer of 3.
3. The organic electroluminescence element material of claim 1 , wherein the metal complex is represented by the Formula 7 or an isomer thereof as a part of the structure thereof;
in the above formula, A 61 , A 62 and A 63 are each a carbon atom; M 16 is Pt; L 11 and L 12 are each a divalent hydrocarbon group; Ra 3 and Ra 4 are each a hydrogen atom; and n 3 and n 4 are each an integer of 3.
4. An organic electroluminescence element, wherein a layer constituting the organic electroluminescence element contains the electroluminescence element material of claim 1 .
5. The organic electroluminescence element of claim 4 , wherein the element has a light emission layer as the element constituting layer, and the light emission layer contains the organic electroluminescence element material of claim 1 .
6. The organic electroluminescence element of claim 4 , wherein at least one of the layers constituting the organic electroluminescence element contains a carbazole compound or a compound represented by the following Formula I;
in the above formula, Z 1 is a group of atoms forming an aromatic heterocyclic ring, Z 2 is a group of atoms forming an aromatic heterocyclic ring or an aromatic hydrocarbon ring, Z 3 is a divalent bonding group or a single bond, and R 101 is a hydrogen atom or a substituent.
7. A displaying device having the organic electroluminescence element of claim 4 .
8. A lighting device having the organic electroluminescence element of claim 4 .