Polymer matrix electroluminescent materials and devices

Abstract

Photoluminescent and electroluminescent compositions are provided which comprise a matrix comprising aromatic repeat units and a luminescent metal ion or luminescent metal ion complex. Methods for producing such compositions, and the electroluminescent devices formed therefrom, are disclosed.

1 - 80 . (canceled) 
     
     
         81 . An electroluminescent composition comprising (i) an organic matrix wherein the matrix comprises one or more of oligomers, an oligomeric matrix, small organic molecules and discrete organic molecules and (ii) luminescent metal ions or luminescent metal ion complexes. 
     
     
         82 . The electroluminescent composition according to  claim 81 , in which the organic matrix is a fluorescent organic matrix. 
     
     
         83 . The electroluminescent composition according to  claim 81 , in which the organic matrix may be elevated to an excited state, and such organic matrix in such excited state may then transfer some of its energy to the luminescent metal ions or luminescent metal ion complexes which metal ions or complexes may then emit light. 
     
     
         84 . The electroluminescent composition according to  claim 81 , in which the organic matrix provides coordination sites for the luminescent metal ions or luminescent metal ion complexes. 
     
     
         85 . The electroluminescent composition according to  claim 81 , in which the organic matrix comprises oligomers or discrete molecules. 
     
     
         86 . The electroluminescent composition according to  claim 81 , in which the organic matrix comprises small molecules. 
     
     
         87 . The electroluminescent composition according to  claim 81 , in which the one or more of oligomers, an oligomeric matrix, small organic molecules and discrete organic molecules are aromatic. 
     
     
         88 . The electroluminescent composition according to  claim 87 , in which the organic matrix is an aromatic hydrocarbon matrix comprising only carbon and hydrogen. 
     
     
         89 . The electroluminescent composition according to  claim 88 , in which the aromatic hydrocarbon matrix is composed of discrete molecules and/or oligomers. 
     
     
         90 . The electroluminescent composition according to  claim 88 , in which the aromatic hydrocarbon matrix is composed of discrete molecules. 
     
     
         91 . The electroluminescent composition according to  claim 88 , in which the aromatic hydrocarbon matrix is composed of oligomeric phenylenes. 
     
     
         92 . The electroluminescent composition according to  claim 81 , in which the luminescent metal ions or luminescent metal ion complexes have an aromatic ligand. 
     
     
         93 . The electroluminescent composition according to  claim 92  in which the aromatic ligand is polarizable. 
     
     
         94 . An electroluminescent device comprising an electroluminescent composition which comprises (i) an organic matrix wherein the matrix comprises one or more of oligomers, an oligomeric matrix, small organic molecules and discrete organic molecules and (ii) luminescent metal ions or luminescent metal ion complexes. 
     
     
         95 . The electroluminescent device according to  claim 94  which comprises a first electrode; one or more charge transport materials; an electroluminescent layer comprising said electroluminescent composition; and a second electrode. 
     
     
         96 . The electroluminescent device according to  claim 95  wherein the organic matrix is a fluorescent organic matrix. 
     
     
         97 . The electroluminescent device according to  claim 95  wherein the organic matrix is an aromatic hydrocarbon matrix comprising only carbon and hydrogen. 
     
     
         98 . The electroluminescent device according to  claim 97  wherein the aromatic hydrocarbon matrix is composed of oligomeric phenylenes. 
     
     
         99 . The electroluminescent device according to  claim 95  wherein the organic matrix provides coordination sites for the luminescent metal ions or luminescent metal ion complexes. 
     
     
         100 . The electroluminescent device according to  claim 95  wherein the luminescent metal ions or luminescent metal ion complexes have an aromatic ligand.