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US 9,005,770 B2Granted
Compound, electroluminescent element containing the same, illuminating device and display device
AssigneeKonica Minolta Holdings, Inc.
InventorsHideo Taka, Hiroshi Kita, Tatsuo Tanaka
Life of this patent
Estimating the term…
Abstract
Provided are a novel compound, an organic EL element which contains such novel compound and has a high external extraction quantum efficiency and a long service life, an illuminating apparatus and a display apparatus.
Claims10
A compound characterized by having a partial structure represented by Formula (2),
- wherein X2 and X3 each represents a carbon atom;
- Y1 represents —N(R1)—;
- Y2 and Y3 each represents a carbon atom;
- Z2 represents a group of atoms which are necessary to form a 6-membered aromatic hydrocarbon ring, or a group of atoms which are necessary to form a 5- to 6-membered aromatic heterocyclic ring;
- M represents Ir or Pt;
- R1 represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, or a cycloalkyl group;
- and
- the partial structure has at least two of a solubility controlling group or a film formation controlling group, and the solubility controlling group or the film formation controlling group represents an aromatic hydrocarbon group having a substituent, an aromatic heterocyclyl group having a substituent, or an alkyl group having at least 6 carbon atoms.
5 more elements
A compound characterized by having a partial structure represented by Formula (2),
- wherein X2 and X3 each represents a carbon atom;
- Y1 represents —N(R1)—;
- Y2 and Y3 each represents a carbon atom;
- Z2 represents a group of atoms which are necessary to form a 6-membered aromatic hydrocarbon ring, or a group of atoms which are necessary to form a 5- to 6-membered aromatic heterocyclic ring;
- M represents Ir or Pt;
- R1 represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, an aromatic hydrocarbon ring, an aromatic heterocyclyl group, or a heterocyclyl group;
- the partial structure has at least two of a solubility controlling group or a film formation controlling group, one of which is substituted on the carbon atom represented by Y2;
- and
- the solubility controlling group or the film formation controlling group represents an aromatic hydrocarbon group having a substituent, an aromatic heterocyclyl group having a substituent, or an alkyl group having at least 6 carbon atoms.
6 more elements
Dependencies are inferred from the claim text.