| 摘要 |
According to the present invention, a light emitting device includes: a first electrode; a second electrode facing the first electrode; a light emitting layer interposed between the first electrode and the second electrode; an organic layer interposed between the first electrode and the light emitting layer; and an electron transport layer interposed between the second electrode and the light emitting layer. The organic layer includes a compound represented by chemical formula 1. The electron transport layer includes a compound represented by chemical formula 2. In chemical formula 1 and chemical formula 2, A, B, C, Z_1, Z_2, Z_3, p and q are the same as defined in the present specification. The purpose of the present invention is to provide the light emitting device which has increased light emitting efficiency and light emitting lifespan. |
