| 摘要 |
PROBLEM TO BE SOLVED: To provide a light-emitting element and a light-emitting device each of which is low in power consumption and high in emission efficiency, high in functionality, and high in reliability. SOLUTION: This light-emitting element has an EL layer having a light-emitting layer which includes an inorganic light-emitting material containing a mixed-valence compound between a pair of electrode layers. When an element in a given compound has a plurality of valences, this element is in a state that it is referred to as a mixed-valence state and this compound is referred to as a mixed-valence compound. The mixed-valence compound affects charge mobility and an emission color, and the light-emitting device having such a light-emitting element is low in power consumption, high in reliability and high in image quality, and emits various colors of light. COPYRIGHT: (C)2009,JPO&INPIT
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