Organic electroluminescent element using iridium complex, display device and lighting device using iridium complex
View Patent ↗A material for an organic EL element showing high light emission efficiency and high color purity of the emission light, an organic EL element, a lighting device and a displaying device each using the material.
1. An organic electroluminescence element comprising:
a light emission layer wherein the light emission layer comprises metal complex represented by the following Formula 4 or Formula 5, or an isomer thereof as a part of the structure thereof;
in the above formula, A 31 , A 32 , A 33 , Y 31 , Y 32 , Y 33, Y 34 , Y 35 and Y 36 are each a carbon atom or a nitrogen atom; m 13 is iridium; and L 5 and L 6 are each an alkylene group,
in the above formula, A 41 , A 42 , A 43 , Y 41 , Y, 42 , Y 43 ,Y 44 , Y 45 and Y 46 are each a carbon atom or a nitrogen atom; M 14 is Ir; and L 7 and L 8 , are each an alkylene group.
2. An organic electroluminescence element comprising:
a light emission layer wherein the light emission layer comprises a metal complex represented by the following 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 or a nitrogen atom; M 15 is iridium; L 9 and L 10 are each an alkylene group.
3. An organic electroluminescence element comprising:
a light emission layer wherein the light emission layer comprises a metal complex represented by the follow Formula 7 or an isomer thereof as part of the structure thereof;
in the above formula, A 61 , A 62 and A 63 are each a carbon atom or a nitrogen atom; M 16 is iridium; L 11 and L 12 are each an alkylene group.
4. The organic electroluminescence element of claim 1 , comprising a plurality of layers, and wherein at least one of the layers 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 simple bond, and R 101 is a hydrogen atom or a substituent.
5. A displaying device having the organic electrolaminescence element of claim 1 .
6. A lighting device having the organic electroluminescence element of claim 1 .