Organic luminescence device

Details Organic luminescence device Organic luminescence device

2006-02-14

2006-02-14

Yamnitzky, Marie (Department: 1774)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C313S504000, C313S506000

Reexamination Certificate

active

06998182

ABSTRACT:
In an organic luminescence device formed of one or plural layers of organic films between an anode and a cathode, at least one layer is any one of a luminescence layer, an electron injection layer and an electron-transporting layer and is formed of at least a phenolic derivative of any one of formulas (1-a), (1-b), (2-a) and (2-b) characterized by having at least two phenoxide portions connected to each other via a specific divalent bond in its molecular structure. By the use of the phenolic derivative, the resultant organic luminescence device produces a high-luminance fluorescent luminescence at a low voltage for a long period of time.

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