{HEAD ~ The invention} further relates to {TAIL ~ the use} of polymers, polymer blends and formulations according to the present invention as charge transport, semiconducting, electrically conducting, photoconducting or light emitting material in optical, electrooptical, electronic, electroluminescent or photoluminescent components or devices 
{ HEAD ~ The invention } further relates to { TAIL ~ the use } of polymers , polymer blends and formulations according to the present invention as charge transport , semiconducting , electrically conducting , photoconducting or light emitting material in optical , electrooptical , electronic , electroluminescent or photoluminescent components or devices
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