Conjugated polymer with built-in fluorescent centers and method

Details Conjugated polymer with built-in fluorescent centers and method Conjugated polymer with built-in fluorescent centers and method

1994-09-12

1997-09-09

Sergent, Rabon

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From sulfur-containing reactant

522162, 525535, C08G 6102, C08L 6500, C08L 6504, C08J 328

Patent

active

056658575

ABSTRACT:
A conjugate polymer with fluorescent dye molecules built in as fluorescent centers is used in light emitting devices with improved fluorescent efficiency. In a first example, fluorescent dyes are introduced into a conjugated polymer precursor by a nucleophilic substitution reaction. In a second example, the fluorescent dye molecules are introduced into a conjugated polymer precursor by an ion-exchange reaction. In both examples, the conjugated polymer precursors with dye molecules attached are converted to the conjugated polymer with built-in fluorescent centers.

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patent: 5473047 (1995-12-01), Shi
patent: 5486406 (1996-01-01), Shi
patent: 5504183 (1996-04-01), Shi et al.
patent: 5552547 (1996-09-01), Shi
patent: 5589320 (1996-12-01), Ohnishi et al.

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