Patent ID: 8502201

Claim:
A light emitting device, which serves as an organic electric field light emitting device, comprising: a thin-film layer including at least an emissive layer and an electron transporting layer; and a second electrode formed on the thin-film layer, the thin-film layer and the second electrode being formed on a first electrode formed on a substrate, wherein the electron transporting layer contains an organic compound represented by the following formula (1) and a donor compound: Y A 1 -Ar) n 1 (1) wherein Y represents either substituted or unsubstituted pyrene, or substituted or unsubstituted anthracene; A 1 is selected from the group consisting of a single bond, an arylene group, and a hetero arylene group; Ar is selected from the group consisting of a carbazolyl group, a dibenzofuranyl group, and a dibenzothiophenyl group, where these groups may be substituted or unsubstituted, and n 1 is an integer of 1 to 3.