Organic compound for light-emitting device, light-emitting device, and image display apparatus
A light-emitting device is provided which uses an organic compound to emit light with high luminance and extremely high efficiency. The organic compound is composed of a metal complex having monovalent bidentate ligands. The light-emitting device includes a pair of electrodes which are an anode and a cathode, and plural organic compound layers interposed between the electrodes, in which at least one layer of the organic compound layers contains a metal complex represented by the following structural formula. The light-emitting device is an organic electroluminescent device using the light-emitting device in which the layer including the organic compound is a light-emitting layer.
1. A compound for a light-emitting device which is represented by the following general formula (7):
wherein C represents an alicyclic structure and the alicyclic structure may have a linear or branched alkyl group having 1 to 20 carbon atoms as a substituent.
2. A light-emitting device comprising a pair of electrodes and a light-emitting layer disposed between the pair of electrodes, wherein the light-emitting layer comprises the compound according to claim 1 .
3. A display apparatus comprising the light-emitting device according to claim 2 and a drive portion connected to the light-emitting device.