Luminescent device

Details Luminescent device Luminescent device

2001-12-21

2009-08-11

Tarazano, D. Lawrence (Department: 1794)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S212000, C428S917000, C313S504000, C313S506000, C257S040000, C257S079000, C257S080000, C257S101000, C257S102000

Reexamination Certificate

active

07572522

ABSTRACT:
Interfaces between layers in a light emitting element are eliminated by using a light emitting element with a mixed region including a hole transporting material and an electron transporting material The light emitting element may further comprise a region with a dopant. By using this light emitting element, an organic luminescent element of low power consumption and long life is achieved, and the light emitting element can be used to manufacture a luminescent device and an electric appliance.

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