Polymeric fluorescent substance and organic electroluminescence

Details Polymeric fluorescent substance and organic electroluminescence Polymeric fluorescent substance and organic electroluminescence

1995-03-02

1998-06-02

Yamnitzky, Marie

Stock material or miscellaneous articles

Composite

Of inorganic material

4284111, 428457, 428917, 313504, 313506, H05B 3314

Patent

active

057597090

ABSTRACT:
An organic electroluminescence device having at least a light emitting layer between the electrodes consisting of one pair of an anode and a cathode, at least one of which electrodes is transparent or semi-transparent, wherein said light emitting layer comprises a polymeric fluorescent substance which emits a fluorescence in a solid state, is soluble in solvents and comprises at least one kind of repeating unit represented by the following formula (1) and at least one kind of repeating unit represented by the following formula (2) with the number of the formula (1) repeating units being 2-50% of the total number of all the repeating units:

REFERENCES:
patent: 5102973 (1992-04-01), Iimura et al.

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