Light-emitting device, light-emitting apparatus, electronic device, and lighting device

A light-emitting device comprising:

• a first electrode;
• a second electrode;
• and
• a light-emitting layer between the first electrode and the second electrode,
• wherein the light-emitting layer comprises a light-emitting substance and a first organic compound,
• wherein the first organic compound is represented by any one of General Formula (G1-1), General Formula (G1-2), and General Formula (G1-3),
• wherein, in the Formula (G1-1), General Formula (G1-2), and General Formula (G1-3):
• Q1 represents oxygen or sulfur;
• each of R1 to R8 independently represents any one of hydrogen, a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted aryl group having 6 to 18 carbon atoms, substituted or unsubstituted monocyclic saturated hydrocarbon having 5 to 7 carbon atoms, and substituted or unsubstituted polycyclic saturated hydrocarbon having 7 to 10 carbon atoms;
• n represents an integer of 0 to 4;
• Htuni represents a hole-transport skeleton;
• each of A1, A2, and A3 is represented by any one of General Formulae (Ax-1) to (Ax-5);
• Q2 represents oxygen or sulfur;
• each of R11 to R14 independently represents any one of hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted aryl group having 6 to 18 carbon atoms, substituted or unsubstituted monocyclic saturated hydrocarbon having 5 to 7 carbon atoms, and substituted or unsubstituted polycyclic saturated hydrocarbon having 7 to 10 carbon atoms;
• each of R15 to R19 represents 1 to 4 substituents and independently represents any one of hydrogen, a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted aryl group having 6 to 18 carbon atoms, substituted or unsubstituted monocyclic saturated hydrocarbon having 5 to 7 carbon atoms, and substituted or unsubstituted polycyclic saturated hydrocarbon having 7 to 10 carbon atoms;
• and
• * represents a bonding portion with any one of benzofuropyrimidine rings and benzothienopyrimidine rings in the General Formula (G1-1), General Formula (G1-2), and General Formula (G1-3),
• wherein a difference between a sum of energy of the first organic compound in a ground state and energy of an oxygen molecule in a ground state and energy of a transition state formed by the first organic compound and the oxygen molecule is greater than or equal to 1.84 eV, and
• wherein a difference between the energy of the transition state formed by the first organic compound and the oxygen molecule and energy of an oxygen adduct of the first organic compound in a ground state is less than or equal to 0.87 eV.