NOVELTY - Polymer (I) comprising at least an anthracenyl structural unit (II), is new.    USE - (I) is useful in an organic electronic device, preferably organic LED, a polymeric LED, an organic integrated circuit, an organic field effect transistor, an organic thin film transistor, an organic light emitting transistor, an organic solar cell, an organic optical detector, an organic photoreceptor, an organic field-quench device, a light emitting electrochemical cell or an organic laser diode (claimed).    ADVANTAGE - (I) provides organic electronic devices with high efficiency, stability and service life. The organic electronic devices can be manufactured easily.    DETAILED DESCRIPTION - Polymer (I) comprising at least an anthracenyl structural unit of formula (II), is new.    Ar1 = (hetero)aryl, (hetero)aryloxy or (hetero)aromatic ring system;    R1, R2 = Ar2, H, D, F, Cl, Br, I, N(Ar3)2, C(=O)Ar3, P(=O)Ar32, S(=O)Ar3, S(=O)2Ar3, CR3=CR3Ar3, CN, NO2, Si(R3)3, B(OR3)2, OSO2R3, 1-40C-alkyl, 1-40C-alkoxy, 1-40C-thioalkoxy, cyclic 3-40C-alkyl, cyclic 3-40C-alkoxy, cyclic 3-40C-thioalkoxy (optionally substituted with one or more R3, where one or more non-adjacent CH2 group are optionally replaced by R3C=CR3, C?=C, Si(R3)2, Ge(R3)2, Sn(R3)2, C=O, C=S, C=Se, C=NR3, P(=O)(R3), SO, SO2, NR3, O, S or CONR3 and one or more H atoms are optionally replaced by F, Cl, Br, I, CN or NO2), provided that if R1 and R2 are Ar2, then (I) comprises an anthracenyl structural unit of formula (IIa)-(Ic);    Ar2 = (hetero)aryl or (hetero)aromatic ring system, preferably phenyl, naphthyl, anthracenyl, phenanthrenyl, pyrenyl, chrysenyl, perylenyl, fluoranthenyl, naphthacenyl, pentacenyl, benzopyrenyl, biphenyl, biphenylenyl, terphenyl, terphenylenyl, fluorenyl, spirobifluorenyl, dihydrophenanthrenyl, dihydropyrenyl, tetrahydropyrenyl, cis- or trans-indenofluorenyl, truxenyl, isotruxenyl, spirotruxenyl, spiroisotruxenyl, furanyl, benzofuranyl, isobenzofuranyl, dibenzofuranyl, thiophenyl, benzothiophenyl, isobenzothiophenyl, dibenzothiophenyl, pyrrolyl, indolyl, isoindolyl, carbazolyl, pyridinyl, quinolinyl, isoquinolinyl, acridinyl, phenanthridinyl, benzo-5,6-quinolinyl, benzo-6,7-quinolinyl, benzo-7,8-quinolinyl, phenothiazinyl, phenoxazinyl, pyrazolyl, indazolyl, imidazolyl, benzimidazolyl, naphthimidazolyl, phenanthrimidazolyl, pyridimidazolyl, pyrazinimidazolyl, quinoxaline imidazolyl, oxazolyl, benzoxazolyl, naphthoxazolyl, anthroxazolyl, phenanthroxazolyl, isoxazolyl, 1,2-thiazolyl, 1,3-thiazolyl, benzothiazolyl, pyridazinyl, benzopyridazinyl, pyrimidinyl, benzopyrimidinyl, quinoxalinyl, 1,5-diazaanthracenyl, 2,7-diazapyrenyl, 2,3-diazapyrenyl, 1,6-diazapyrenyl, 1,8-diazapyrenyl, 4,5-diazapyrenyl, 4,5,9,10-tetraazaperylenyl, pyrazinyl, phenazinyl, phenoxazinyl, phenothiazinyl, fluorubinyl, naphthyridinyl, azacarbazolyl, benzocarbolinyl, phenanthrolinyl, 1,2,3-triazolyl, 1,2,4-triazolyl, benzotriazolyl, 1,2,3-oxadiazolyl, 1,2,4-oxadiazolyl, 1,2,5-oxadiazolyl, 1,3,4-oxadiazolyl, 1,2,3-thiadiazolyl, 1,2,4-thiadiazolyl, 1,2,5-thiadiazolyl, 1,3,4-thiadiazolyl, 1,3,5-triazinyl, 1,2,4-triazinyl, 1,2,3-triazinyl, tetrazolyl, 1,2,4,5-tetrazinyl, 1,2,3,4-tetrazinyl, 1,2,3,5-tetrazinyl, purinyl, pteridinyl, indolizinyl, benzothiadiazolyl, benzanthrenyl, benzanthracenyl, rubicenyl or triphenylenyl;    Ar3 = (hetero)aryl- or (hetero)aryloxy;    R3 = H or an aliphatic or aromatic 1-20C-hydrocarbon;    n = greater than or equal to 1; and    r = 1.    INDEPENDENT CLAIMS are included for:    (1) a blend comprising (I);    (2) a formulation comprising (I) and one or more solvent; and    (3) an organic electronic device comprising one or more layers, where at least one layer comprises (I).