Polymeric fluorescent substance and organic electroluminescence

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

1998-03-06

1999-11-09

Koslow, C. Melissa

Compositions

Organic luminescent material containing compositions

C09K 1106

Patent

active

059807814

ABSTRACT:
Disclosed are 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 last 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:

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