Composition for light-emitting device, light-emitting device, light-emitting apparatus, electronic device, and lighting device

A composition for a light-emitting device formed by mixing a first organic compound represented by General Formula (G1), and a second organic compound represented by General Formula (Q1):

• wherein, in the General Formulae (G1) and (Q1), A1 represents an aryl group having 6 to 100 carbon atoms,
• wherein R1 to R14 and R20 to R24 each independently represent hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted monocyclic saturated hydrocarbon having 5 to 7 carbon atoms in a ring, a substituted or unsubstituted polycyclic saturated hydrocarbon having 7 to 10 carbon atoms in a ring, a substituted or unsubstituted aryl group having 6 to 13 carbon atoms in a ring, or a substituted or unsubstituted heteroaryl group having 3 to 20 carbon atoms in a ring,
• wherein β1 and β2 each represent any of an unsubstituted β-naphthyl group, an unsubstituted biphenyl group, and an unsubstituted terphenyl group, and
• wherein at least one of β1 and β2 is an unsubstituted β-naphthyl group.

A composition for a light-emitting device formed by mixing a first organic compound represented by General Formula (G1), and a second organic compound represented by General Formula (Q2):

• wherein, in the General Formulae (G1) and (Q2), A1 represents an aryl group having 6 to 100 carbon atoms,
• wherein R20 to R24 each independently represent hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted monocyclic saturated hydrocarbon having 5 to 7 carbon atoms in a ring, a substituted or unsubstituted polycyclic saturated hydrocarbon having 7 to 10 carbon atoms in a ring, a substituted or unsubstituted aryl group having 6 to 13 carbon atoms in a ring, or a substituted or unsubstituted heteroaryl group having 3 to 20 carbon atoms in a ring,
• wherein β1 and β2 each represent any of an unsubstituted β-naphthyl group, an unsubstituted biphenyl group, and an unsubstituted terphenyl group, and
• wherein at least one of β1 and β2 is an unsubstituted β-naphthyl group.

A composition for a light-emitting device formed by mixing a first organic compound represented by General Formula (G2), and a second organic compound represented by General Formula (Q1):

• wherein, in the General Formulae (G2) and (Q1), α represents a substituted or unsubstituted phenylene group,
• wherein n is an integer of 0 to 4,
• wherein Htuni represents any one of a substituted or unsubstituted dibenzothiophenyl group, a substituted or unsubstituted dibenzofuranyl group, and a substituted or unsubstituted carbazolyl group,
• wherein R1 to R14 and R20 to R24 each independently represent hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted monocyclic saturated hydrocarbon having 5 to 7 carbon atoms in a ring, a substituted or unsubstituted polycyclic saturated hydrocarbon having 7 to 10 carbon atoms in a ring, a substituted or unsubstituted aryl group having 6 to 13 carbon atoms in a ring, or a substituted or unsubstituted heteroaryl group having 3 to 20 carbon atoms in a ring,
• wherein β1 and β2 each represent any of an unsubstituted p-naphthyl group, an unsubstituted biphenyl group, and an unsubstituted terphenyl group, and
• wherein at least one of β1 and β2 is an unsubstituted p-naphthyl group.

A composition for a light-emitting device formed by mixing a first organic compound represented by General Formula (G2), and a second organic compound represented by General Formula (Q2):

• wherein, in the General Formulae (G2) and (Q2), α represents a substituted or unsubstituted phenylene group,
• wherein n is an integer of 0 to 4,
• wherein Htuni represents any one of a substituted or unsubstituted dibenzothiophenyl group, a substituted or unsubstituted dibenzofuranyl group, and a substituted or unsubstituted carbazolyl group,
• R20 to R24 each independently represent hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted monocyclic saturated hydrocarbon having 5 to 7 carbon atoms in a ring, a substituted or unsubstituted polycyclic saturated hydrocarbon having 7 to 10 carbon atoms in a ring, a substituted or unsubstituted aryl group having 6 to 13 carbon atoms in a ring, or a substituted or unsubstituted heteroaryl group having 3 to 20 carbon atoms in a ring,
• wherein β1 and β2 each represent any of an unsubstituted p-naphthyl group, an unsubstituted biphenyl group, and an unsubstituted terphenyl group, and
• wherein at least one of β1 and β2 is an unsubstituted p-naphthyl group.

A composition for a light-emitting device formed by mixing a first organic compound represented by General Formula (G3), and a second organic compound represented by General Formula (Q1):

• wherein, in the General Formulae (G3) and (Q1), Htuni represents any one of a substituted or unsubstituted dibenzothiophenyl group, a substituted or unsubstituted dibenzofuranyl group, and a substituted or unsubstituted carbazolyl group,
• wherein R1 to R14 and R20 to R24 each independently represent hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted monocyclic saturated hydrocarbon having 5 to 7 carbon atoms in a ring, a substituted or unsubstituted polycyclic saturated hydrocarbon having 7 to 10 carbon atoms in a ring, a substituted or unsubstituted aryl group having 6 to 13 carbon atoms in a ring, or a substituted or unsubstituted heteroaryl group having 3 to 20 carbon atoms in a ring,
• wherein β1 and β2 each represent any of an unsubstituted β-naphthyl group, an unsubstituted biphenyl group, and an unsubstituted terphenyl group, and
• wherein at least one of β1 and β2 is an unsubstituted β-naphthyl group.

A composition for a light-emitting device formed by mixing a first organic compound represented by General Formula (G3), and a second organic compound represented by General Formula (Q2):

• wherein, in the General Formulae (G3) and (Q2), Htuni represents any one of a substituted or unsubstituted dibenzothiophenyl group, a substituted or unsubstituted dibenzofuranyl group, and a substituted or unsubstituted carbazolyl group,
• wherein R20 to R24 each independently represent hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted monocyclic saturated hydrocarbon having 5 to 7 carbon atoms in a ring, a substituted or unsubstituted polycyclic saturated hydrocarbon having 7 to 10 carbon atoms in a ring, a substituted or unsubstituted aryl group having 6 to 13 carbon atoms in a ring, or a substituted or unsubstituted heteroaryl group having 3 to 20 carbon atoms in a ring,
• wherein β1 and β2 each represent any of an unsubstituted β-naphthyl group, an unsubstituted biphenyl group, and an unsubstituted terphenyl group, and
• wherein at least one of β1 and β2 is an unsubstituted β-naphthyl group.

A light-emitting device comprising an EL layer between a pair of electrodes,

• wherein the EL layer comprises:
• a first organic compound having a benzofuropyrimidine skeleton;
• a second organic compound represented by General Formula (Q1);
• and
• a light-emitting substance:
• wherein, in the General Formula (Q1), R1 to R14 each independently represent hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted monocyclic saturated hydrocarbon having 5 to 7 carbon atoms in a ring, a substituted or unsubstituted polycyclic saturated hydrocarbon having 7 to 10 carbon atoms in a ring, a substituted or unsubstituted aryl group having 6 to 13 carbon atoms in a ring, or a substituted or unsubstituted heteroaryl group having 3 to 20 carbon atoms in a ring,
• wherein β1 and β2 each represent any of an unsubstituted β-naphthyl group, an unsubstituted biphenyl group, and an unsubstituted terphenyl group, and
• wherein at least one of β1 and β2 is an unsubstituted β-naphthyl group.

A light-emitting device comprising an EL layer between a pair of electrodes,

• wherein the EL layer comprises:
• a first organic compound represented by General Formula (G1);
• a second organic compound represented by General Formula (Q1);
• and
• a light-emitting substance:
• wherein, in the General Formulae (G1) and (Q1), A1 represents an aryl group having 6 to 100 carbon atoms,
• wherein R1 to R14 and R20 to R24 each independently represent hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted monocyclic saturated hydrocarbon having 5 to 7 carbon atoms in a ring, a substituted or unsubstituted polycyclic saturated hydrocarbon having 7 to 10 carbon atoms in a ring, a substituted or unsubstituted aryl group having 6 to 13 carbon atoms in a ring, or a substituted or unsubstituted heteroaryl group having 3 to 20 carbon atoms in a ring,
• wherein β1 and β2 each represent any of an unsubstituted β-naphthyl group, an unsubstituted biphenyl group, and an unsubstituted terphenyl group, and
• wherein at least one of β1 and β2 is an unsubstituted β-naphthyl group.