Organic electroluminescent element material, organic electroluminescent element, display device, and lighting device
View Patent ↗This invention provides an organic EL element, which can control luminescence wavelength, exhibits high luminescence efficiency, and has a prolonged emission life, and a lighting equipment and a display device. They can be realized by an organic electroluminescent element material characterized by a metal complex having a structure represented by the following general formula (A) as a partial structure.
1. An organic electroluminescent element material comprising a metal complex having a partial structure represented by Formula (1):
wherein X 01 , X 02 , X 03 , and X 06 each represent CR 01 , a nitrogen atom, NR 02 , an oxygen atom or a sulfur atom, X 04 represents CR 01 and X 05 represents a nitrogen atom; Y 01 and Y 02 each represent a carbon atom or a nitrogen atom; R 01 and R 02 each represent a hydrogen atom , an alkyl group, an aromatic hydrocarbon ring group or an aromatic heterocyclic ring group, provided that at least one of X 01 , X 02 , X 03 , and X 06 represents CR 01 in which R 01 is an aromatic hydrocarbon ring group or an aromatic heterocyclic ring group; M 01 represents an Ir atom or a Pt atom; rings A and B each represent a single five-membered ring, and bonds to form each of rings A and B represent a single bond or a double bond.
2. The organic electroluminescent element material of claim 1 ,
wherein X 01 represents a sulfur atom.
3. The organic electroluminescent element material of claim 1 ,
wherein X 01 represents an oxygen atom.
4. The organic electroluminescent element material of claim 1 ,
wherein X 02 represents a nitrogen atom.
5. The organic electroluminescent element material of claim 1 ,
wherein X 02 represents a sulfur atom.
6. The organic electroluminescent element material of claim 1 ,
wherein X 02 represents an oxygen atom.