| abstract |
A light emitting device comprising an anode, a cathode, a light emitting layer disposed between the anode and the cathode, and a hole transporting layer disposed between the anode and the light emitting layer, wherein nthe light emitting layer is a layer comprising an iridium complex (A) and a heterocyclic compound constituted of typical elements (B), nthe hole transporting layer is a layer comprising a crosslinked body of a crosslinkable material, and nthe molecular weight (MA) of the iridium complex (A) and the molecular weight (MB) of the heterocyclic compound (B) satisfy the formula (M1-1) and the formula (M2-1): 2700 ≤ MA + MB ≤ 10000 0.35 ≤ MA / MB ≤ 3.00 |