Organic electroluminescent device and organic compound for...

Details Organic electroluminescent device and organic compound for... Organic electroluminescent device and organic compound for...

2007-08-14

2007-08-14

Garrett, Dawn L. (Department: 1774)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C313S504000, C313S506000

Reexamination Certificate

active

10950669

ABSTRACT:
An organic electroluminescent device includes a hole-injecting electrode, an electron-injecting electrode and a blue light-emitting layer which is provided between the electrodes and contains a host material, a luminescent dopant and an assist dopant for complementing carrier transport of the host material. When the host material is an electron-transporting material, the assist dopant has a smaller absolute HOMO (Highest Occupied Molecular Orbital) energy level than the host material and a higher hole mobility than the host material.

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patent: 2004-146221 (2004-05-01), None

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