Patent ID: 8058790

Claim:
Mixtures comprising (A) at least one polymer comprising at least one structural unit which comprises at least one element from main group 4 (group 14 in accordance with IUPAC) other than carbon, and (B) at least one triplet emitter wherein said at least one structural unit comprises direct silicon-silicon or germanium-germanium bonds and/or at least one structural unit of the formulae (2), (3), and/or (4) wherein: A is on each occurrence, identically or differently, Si, Ge, Sn or Pb; Y is on each occurrence, identically or differently, an aromatic or heteroaromatic ring system having up to 40 C atoms, which is optionally substituted by one or more radicals R 4 , a vinyl group â€”CR 4 â•CR 4 â€” or â€”CR 4 â•C(R 4 ) 2 , an acetylene group â€”Câ‰¡Câ€” or â€”Câ‰¡CR 4 or a combination of 2 to 5 of these groups; R 1 , R 2 , and R 3 is on each occurrence, identically or differently, H, F, CN, N(R 4 ) 2 , alkyl, alkoxy or thioalkoxy group having up to 40 C atoms which are optionally substituted by R 4 , wherein one or more non-adjacent CH 2 groups are optionally replaced by â€”R 5 Câ•CR 5 â€”, â€”Câ‰¡Câ€”, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , Câ•O, Câ•S, Câ•Se, Câ•NR 5 , â€”Oâ€”, â€”Sâ€”, â€”NR 5 â€” or â€”CONR 5 â€” and wherein one or more H atoms-are optionally replaced by F, Cl, Br, I, CN, OH, NO 2 , an aromatic or heteroaromatic ring system, or an aryloxy or heteroaryloxy group, in each case having up to 40 aromatic C atoms, wherein one or more H atoms are optionally replaced by F, Cl, Br, I, CN, OH, NO 2 , one or more radicals R 4 , or a combination of 2 to 5 of these systems; and wherein substituents R 1 , R 2 , and/or R 3 optionally define a further mono- or polycyclic, aliphatic or aromatic ring system with one another; R 4 is on each occurrence, identically or differently, H, F, Cl, Br, I, CN, OH, NO 2 , alkyl, alkoxy or thioalkoxy group having up to 22 C atoms wherein one or more non-adjacent C atoms are optionally replaced by â€”R 5 Câ•CR 5 â€”, â€”Câ‰¡Câ€”, Si(R 5 ) 2 , Ge(R 5 ) 2 , Sn(R 5 ) 2 , â€”NR 5 â€”, â€”Oâ€”, â€”Sâ€”, â€”COâ€”Oâ€”, or â€”Oâ€”COâ€”Oâ€”, and wherein one or more H atoms are optionally replaced by F, Cl, Br, I, CN, OH, NO 2 or an aryl, heteroaryl or aryloxy group having up to 40 C atoms optionally substituted by one or more radicals R 5 , OH, N(R 5 ) 2 , B(R 5 ) 2 or Si(R 5 ) 3 ; R 5 is on each occurrence, identically or differently, H or an aliphatic or aromatic hydrocarbon radical having up to 20 C atoms; n is on each occurrence, identically or differently, 1, 2, 3, or 4; and wherein the dashed bond represents the link to the polymer; wherein said at least one triplet emitter is mixed in said at least one polymer; and wherein said at least one triplet emitter comprises at least one element from groups 8 to 10.