Light-emitting element and light-emitting device

Details Light-emitting element and light-emitting device Light-emitting element and light-emitting device

2011-01-11

2011-01-11

Patel, Vip (Department: 2889)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S506000

Reexamination Certificate

active

07868539

ABSTRACT:
An object is to provide a highly functional and reliable light-emitting element and light-emitting device with lower power consumption and high emission efficiency. The light-emitting element has an EL layer that has a stacked structure including a light-emitting element containing an organic compound and a functional layer having separate functions between a pair of electrode layers. In the light-emitting element including the functional layer and the light-emitting element containing an organic compound, a mixed-valence compound is contained in the functional layers. When an element in a compound has a plurality of valences, this element is in a state that is referred to as a mixed-valence state and this compound is referred to as a mixed-valence compound.

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