| 简介 |
A light-emitting body comprising a primary luminescent unit and a secondary luminescent unit that emits light owing to light emitted from the primary luminescent unit, wherein the secondary luminescent unit contains an iridium compound. As the iridium compound, an iridium complex represented by L1L2L3Ir, (L1, L2 and L3 are organic bidentate ligands coordinated to iridium, and at least one of these ligands coordinates with a nitrogen atom and a carbon atom) preferably, represented by formula (2) can be cited. (In the formula, X represents an atom group that forms an aromatic chelate ligand together with a carbon atom and a nitrogen atom bonded with iridium, n is an integer of 2 or 3, and L represents a bidentate organic ligand wherein the atoms other than carbon atoms are bonded with iridium.) The light-emitting body of the invention contains red (R), green (G) and blue (B) wavelength components to be wide in the color reproduction range, can be driven with a single power supply and control system, and does not cause photo-deterioration of constituent members. |
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