Metal coordination compound and light-emitting material containing the same
AssigneeNational Institute of Advanced Industrial Science and Technology
InventorHideo Konno
Life of this patent
Estimating the term…
Abstract
To provide a light-emitting device that is capable of red-light-emitting with high luminance and high efficiency and that is excellent in endurance; and a metal coordination compound metal coordination compound having a partial structure represented by formula (1) that can be used in the light-emitting device, and that can also be used in applications, such as organic electroluminescent device materials, electrochemiluminescence (ECL) device materials, emission sensors, photosensitizers, displays, photographic materials, laser dyes, color filter dyes, optical communications, color conversion filters, backlights, illuminations, photosensitizing dyes, various light sources, and the like.
Claims29
A metal coordination compound, of the structure represented by formula (1):
- wherein, in formula (1), M represents a platinum group element;
- N represents a nitrogen atom;
- C represents a carbon atom;
- R1 to R3 and R6 represent a hydrogen atom or an alkyl group having 1 to 30 carbon atoms which is unsubstituted or substituted;
- R4 and R5 represent a hydrogen atom, an alkyl group having 1 to 30 carbon atoms which is unsubstituted or substituted;
- or are bonded to each other, to form an unsubstituted phenyl ring structure;
- and the ring A represents an aromatic hydrocarbon ring or an aromatic hetero ring, each of which ring may have a substituent selected from the group consisting of a trifluoromethyl group, a halogen atom, an alkyl group having 1 to 30 carbon atoms, and an aryl group having 6 to 30 carbon atoms, each of which is unsubstituted or substituted.
A metal coordination compound, represented by formula (2):
- wherein, in formula (2), M represents a platinum group element;
- N represents a nitrogen atom;
- C represents a carbon atom;
- m is an integer of 1 to 3;
- n is an integer of 0 to 2;
- m+n is 2 or 3;
- R1 to R3 and R6 represent a hydrogen atom or an alkyl group having 1 to 30 carbon atoms which is unsubstituted or substituted;
- R4 and R5 represent a hydrogen atom, an alkyl group having 1 to 30 carbon atoms which is unsubstituted or substituted, or are bonded to each other, to form an unsubstituted phenyl ring structure;
- the ring A represents an aromatic hydrocarbon ring or an aromatic hetero ring, each of which ring may have a substituent selected from the group consisting of a trifluromenthyl group, a halogen atom, an alkyl group having 1 to 30 carbon atoms, and an aryl group having 6 to 30 carbon atoms, each of which is unsubstituted or substituted;
- L represents a bidentate ligand;
- Q represents a counter anion;
- and k is an integer of 0 to 2.
A metal coordination compound, represented by formula (11):
- wherein, in formula (11), M1 represents iridium, platinum, rhodium, or palladium;
- N represents a nitrogen atom;
- C represents a carbon atom;
- m1 is an integer of 1 or 2;
- R57 to R59, R62to R65, and R68 each independently represent a hydrogen atom or an alkyl group having 1 to 30 carbon atoms which is unsubstituted or substituted;
- R60 and R61 represent a hydrogen atom, an alkyl group having 1 to 30 carbon atoms which is unsubstituted or substituted, or are bonded to each other to form an unsubstituted phenyl ring structure;
- R66 and R67 represent a hydrogen atom, an alkyl group having 1 to 30 carbon atoms which is unsubstituted or substituted, or are bonded to each other to form an unsubstituted phenyl ring, structure;
- the rings A each represent an aromatic hydrocarbon ring or an aromatic hetero ring, each of which ring may have a substituent selected from the group consisting of a trifluoromenthyl group, a halogen atom, an alkyl group having 1 to 30 carbon atoms, and an aryl group having 6 to 30 carbon atoms, each of which is unsubstituted or substituted;
- and the adjacent substituents may bond to each other, to form a ring structure;
- and X represents a halogen atom.
An aromatic compound, represented by formula (12):
- wherein, in formula (12), N represents a nitrogen atom;
- C represents a carbon atom;
- R1 to R3 and R6 represent a hydrogen atom or an alkyl group having 1 to 30 carbon atoms which is unsubstituted or substituted;
- R4 and R5 represent a hydrogen atom, an alkyl group having 1 to 30 carbon atoms which is unsubstituted or substituted, or bond to each other, to form an unsubstituted phenyl ring structure, but R6 and the ring B do not bond to each other, to form any ring structure;
- the ring B is a benzene ring, a substituted benzene ring, a naphthalene ring, a substituted naphthalene ring, a thiophene ring, a substituted thiophene ring, a furan ring, a substituted furan ring, a fluorene ring, or a substituted fluorene ring, each of which ring may have a substituent selected from the group consisting of a trifluoromenthyl group, a halogen atom, an alkyl group having 1 to 30 carbon atoms, and an aryl group having 6 to 30 carbon atoms, each of which is unsubstituted or substituted.
Dependencies are inferred from the claim text.