A light emitting device having an anode, a cathode, a first organic layer disposed between the anode and the cathode and a second organic layer disposed between the anode and the cathode, wherein
- the first organic layer is a layer containing a compound represented by the formula (C-1), and
- the second organic layer is
- Layer A containing at least one of a polymer compound containing a constitutional unit having a group obtained by removing from a phosphorescent compound represented by the formula (1) (wherein, M is an iridium atom) one or more hydrogen atoms and a cross-linked body of the polymer compound, or
- Layer B containing a phosphorescent compound represented by the formula (1) and a cross-linked body of a crosslinking material:
- wherein,
- Ring R1C, Ring R2C, Ring R3C and Ring R4C each independently represent an aromatic hydrocarbon ring or an aromatic hetero ring, and the foregoing rings optionally have a substituent, and when a plurality of the substituents are present, they may be combined together to form a ring together with the atoms to which they are attached, with the provision that at least one of Ring R1C, Ring R2C, Ring R3C and Ring R4C has an aryl group which optionally has a substituent or a monovalent heterocyclic group which optionally has a substituent as the substituent,
- RC represents a carbon atom, a silicon atom, a germanium atom, a tin atom or a lead atom,
- wherein,
- M represents a ruthenium atom, a rhodium atom, a palladium atom, an iridium atom or a platinum atom,
- n1 represents an integer of 1 or more, and n2 represents an integer of 0 or more, and, n1+n2 is 3 when M is a ruthenium atom, a rhodium atom or an iridium atom, while n1+n2 is 2 when M is a palladium atom or a platinum atom,
- E1 and E2 each independently represent a carbon atom or a nitrogen atom and at least one of E1 and E2 is a carbon atom, and when a plurality of E1 and E2 are present, they may be the same or different at each occurrence,
- Ring L1 represents an aromatic hetero ring and the aromatic hetero ring optionally has a substituent, and when a plurality of the substituents are present, they may be combined together to form a ring together with the atoms to which they are attached, and when a plurality of Ring L1 are present, they may be the same or different,
- Ring L2 represents an aromatic hydrocarbon ring or an aromatic hetero ring, and the foregoing rings optionally have a substituent, and when a plurality of the substituents are present, they may be combined together to form a ring together with the atoms to which they are attached, and when a plurality of Ring L2 are present, they may be the same or different,
- the substituent which Ring L1 optionally has and the substituent which Ring L2 optionally has may be combined together to form a ring together with the atoms to which they are attached,
- A1-G1-A2 represents an anionic bidentate ligand, A1 and A2 each independently represent a carbon atom, an oxygen atom or a nitrogen atom, and these atoms may be a ring constituent atom, and G1 represents a single bond or an atomic group constituting a bidentate ligand together with A1 and A2, and when a plurality of A1-G1-A2 are present, they may be the same or different.