Conjugated polymers containing heterospiro atoms and their use as electroluminescence materials

摘要

A conjugated polymer comprising repeating units of the formula (I), <IMAGE> (I) where the symbols and indices have the following meanings: PSI is an element of the 4th main group of the Periodic Table with the exception of carbon; D, E, F, G are identical or different and are -CR1R2-, -O-, -S-, -NR3- or a chemical bond; U is -CR4=CR5- or a chemical bond; V is as defined for U or is -CR1R2-, -O-, -S-, -NR3-, -SiR1R2-, -SO2-, -O-, -CO-; A are identical or different and are H, a C1-C20-hydrocarbon radical which can also contain heteroatoms; T is -O-, -S-, -NR3-, -CR1R2-, -CH=N-, -CA=CA-, -CH=CA-, -CH=CF- or -CF=CF-; K, Q are identical or different hydrocarbon radicals which can contain heteroatoms and have conjugated electron systems; M, L are H or a straight-chain or branched alkyl group having from 1 to 22 carbon atoms, Br, Cl, F, CN, NO2 or CF3; m, n are identical or different and are 0, 1, 2, 3 or 4; and wherein said polymer is suitable as an electroluminescence material.