An organic light-emitting device, comprising: an anode ; a cathode ; an emission layer placed between the anode and the cathode; and an organic compound layer placed between the anode and the emission layer, wherein the organic compound layer contains the following compound A and compound B: [Compound A] an organic compound free of a nitrogen atom and a metal atom, the compound having SP 2 carbon atoms and SP 3 carbon atoms; and [Compound B] a compound having a tertiary amine structure wherein the compound A comprises a compound represented by one of the following general formulae and : Ar2-Ar3 in the general formula , Z 1 represents oxygen atom or a phenyl group that may have a fluorine atom or an alkyl group; in the general formula , Ar 1 represents an aliphatic condensed polycyclic group or an aryl group selected from the group consisting of a phenyl group, a fluorenyl group, a biphenyl group, or a naphthyl group, wherein the aliphatic condensed polycyclic group and the aryl group may further have an alkyl group, an alkoxy group, or a halogen atom; in the general formula , n represents an integer of from 1 to 6, provided that when Z 1 represents an oxygen atom, n represents 2, and when n represents 2 or more, structures Ar 1 's in parentheses may be identical to or different from each other; and in the general formula , Ar 2 and Ar 3 each represent an aliphatic condensed polycyclic group or an aryl group selected from the group consisting of a phenyl group, a fluorenyl group, a biphenyl group, or a naphthyl group, wherein the aliphatic condensed polycyclic group and the aryl group may further have an alkyl group, an alkoxy group, or a halogen atom, and Ar 2 and Ar 3 may be identical to or different from each other, characterized in that the compound A has a ratio of the number of the SP 3 carbon atoms to the number of the SP 2 carbon atoms of 80% or more. an anode ; a cathode ; an emission layer placed between the anode and the cathode; and an organic compound layer placed between the anode and the emission layer, wherein the organic compound layer contains the following compound A and compound B: [Compound A] an organic compound free of a nitrogen atom and a metal atom, the compound having SP 2 carbon atoms and SP 3 carbon atoms; and [Compound B] a compound having a tertiary amine structure [Compound A] an organic compound free of a nitrogen atom and a metal atom, the compound having SP 2 carbon atoms and SP 3 carbon atoms; and [Compound B] a compound having a tertiary amine structure wherein the compound A comprises a compound represented by one of the following general formulae and : Ar2-Ar3 in the general formula , Z 1 represents oxygen atom or a phenyl group that may have a fluorine atom or an alkyl group; in the general formula , Ar 1 represents an aliphatic condensed polycyclic group or an aryl group selected from the group consisting of a phenyl group, a fluorenyl group, a biphenyl group, or a naphthyl group, wherein the aliphatic condensed polycyclic group and the aryl group may further have an alkyl group, an alkoxy group, or a halogen atom; in the general formula , n represents an integer of from 1 to 6, provided that when Z 1 represents an oxygen atom, n represents 2, and when n represents 2 or more, structures Ar 1 's in parentheses may be identical to or different from each other; and in the general formula , Ar 2 and Ar 3 each represent an aliphatic condensed polycyclic group or an aryl group selected from the group consisting of a phenyl group, a fluorenyl group, a biphenyl group, or a naphthyl group, wherein the aliphatic condensed polycyclic group and the aryl group may further have an alkyl group, an alkoxy group, or a halogen atom, and Ar 2 and Ar 3 may be identical to or different from each other, characterized in that the compound A has a ratio of the number of the SP 3 carbon atoms to the number of the SP 2 carbon atoms of 80% or more. <EOS>