Patent ID: 7820478

Claim:
A process for producing a light-emitting device comprising an anode, a cathode, a light-emitting layer arranged between the anode and the cathode, and an organic compound layer contacting the cathode, which comprises: a light-emitting layer forming step of forming the light-emitting layer, and an organic compound layer forming step of forming the organic compound layer, wherein the organic compound layer contains at least one phenanthroline compound represented by the following general formula [1], and wherein the organic compound layer forming step comprises a step of forming the organic compound layer under a condition where a carbonate of an alkali metal or an alkaline earth metal is heated, [1] In the formula, R1, R2, R3, R4, R5, and R6 each represent a hydrogen atom, an alkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, or a halogen atom, R1, R2, R3, R4, R5, and R6 may be identical to or different from one another, Ar1 and Ar2 each represent a substituted or unsubstituted condensed polycyclic aromatic or condensed polyheterocyclic group, and Ar1 and Ar2 may be identical to or different from each other.