A light emitting material, wherein the material comprises a conjugated polymer having a conjugated part, characterized by: a blue light emitting compound having a blue light emitting part, wherein the material satisfies the following formula: [Mathematical Formula 1] y ≥ log 10 5.1 × x 0.2 + 1 wherein y represents the amount of light emitted by the blue light emitting compound where the total amount of light emitted by the conjugated polymer and the blue light emitting compound in the light emitting material due to excitation caused by light having a wavelength of 370 nm is 1, and provided that the gram light absorption coefficient of the conjugated polymer and the blue light emitting compound in the light emitting material are expressed by ε 1 and ε 2, and further the content of the blue light emitting compound is expressed by P 2 (parts by mass) where the total content of the conjugated polymer and the blue light emitting compound in the light emitting material is 100 parts by mass, x is defined by the formula: x = ε 2 / ε 1 × P 2; and wherein the conjugated polymer is a conjugated polymer consisting of a repeating unit B represented by the following formula, a repeating unit A represented by the following formula and/or a repeating unit C represented by the following formula, a molar content ratio of the repeating unit B to the other repeating units being in the range of 1:99 to 40:60: [Chemical Formula 1] -Ar 1 - wherein Ar 1 represents an arylene group that may have a substituent or a bivalent aromatic heterocyclic group that may have a substituent; wherein Ar 3, Ar 4 and Ar 5 each independently represent an arylene group that may have a substituent or a bivalent aromatic heterocyclic group that may have a substituent, R 1 and R 2 each independently represent a hydrogen atom, an alkyl group that may have a substituent, an aryl group that may have a substituent, a monovalent heterocyclic group that may have a substituent or an arylalkyl group that may have a substituent, and a represents 0 or 1; when a is 1, Ar 3 and Ar 4, and Ar 4 and Ar 5 may each be bound together to form a ring; and when a is 0, Ar 3 and Ar 5 may be bound together to form a ring; [Chemical Formula 3] -Ar 6 -X 1 - wherein Ar 6 represents an arylene group that may have a substituent or a bivalent aromatic heterocyclic group that may have a substituent, and X 1 represents a group represented by -CR 3 =CR 4 - or a group represented by -C≡C-; and R 3 and R 4 each independently represent a hydrogen atom, an alkyl group that may have a substituent, an aryl group that may have a substituent, a monovalent heterocyclic group that may have a substituent, a carboxyl group or a cyano group. a blue light emitting compound having a blue light emitting part, wherein the material satisfies the following formula: [Mathematical Formula 1] y ≥ log 10 5.1 × x 0.2 + 1 wherein y represents the amount of light emitted by the blue light emitting compound where the total amount of light emitted by the conjugated polymer and the blue light emitting compound in the light emitting material due to excitation caused by light having a wavelength of 370 nm is 1, and provided that the gram light absorption coefficient of the conjugated polymer and the blue light emitting compound in the light emitting material are expressed by ε 1 and ε 2, and further the content of the blue light emitting compound is expressed by P 2 (parts by mass) where the total content of the conjugated polymer and the blue light emitting compound in the light emitting material is 100 parts by mass, x is defined by the formula: x = ε 2 / ε 1 × P 2; and wherein the conjugated polymer is a conjugated polymer consisting of a repeating unit B represented by the following formula, a repeating unit A represented by the following formula and/or a repeating unit C represented by the following formula, a molar content ratio of the repeating unit B to the other repeating units being in the range of 1:99 to 40:60: [Chemical Formula 1] -Ar 1 - wherein Ar 1 represents an arylene group that may have a substituent or a bivalent aromatic heterocyclic group that may have a substituent; wherein Ar 3, Ar 4 and Ar 5 each independently represent an arylene group that may have a substituent or a bivalent aromatic heterocyclic group that may have a substituent, R 1 and R 2 each independently represent a hydrogen atom, an alkyl group that may have a substituent, an aryl group that may have a substituent, a monovalent heterocyclic group that may have a substituent or an arylalkyl group that may have a substituent, and a represents 0 or 1; when a is 1, Ar 3 and Ar 4, and Ar 4 and Ar 5 may each be bound together to form a ring; and when a is 0, Ar 3 and Ar 5 may be bound together to form a ring; [Chemical Formula 3] -Ar 6 -X 1 - wherein Ar 6 represents an arylene group that may have a substituent or a bivalent aromatic heterocyclic group that may have a substituent, and X 1 represents a group represented by -CR 3 =CR 4 - or a group represented by -C≡C-; and R 3 and R 4 each independently represent a hydrogen atom, an alkyl group that may have a substituent, an aryl group that may have a substituent, a monovalent heterocyclic group that may have a substituent, a carboxyl group or a cyano group.