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