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    • 3. 发明授权
    • Electroluminescent polymers for electronic applications
    • 电子应用的电致发光聚合物
    • US08221906B2
    • 2012-07-17
    • US12309090
    • 2007-07-04
    • Thomas SchäferPeter MurerTobias HintermannBeat Schmidhalter
    • Thomas SchäferPeter MurerTobias HintermannBeat Schmidhalter
    • H01L51/54
    • H05B33/14C08G61/02C08G61/10C08G61/122C09B57/00C09B57/008C09K11/06C09K2211/1416C09K2211/1466H01L51/0035H01L51/5012Y02E10/549Y10S428/917
    • The present invention relates to novel polymers comprising a repeating unit(s) of the formula (I) wherein at least one of the substituents R1, R2, R3, R4, R5, R6, and R7 is a group -(Sp)x1-HEI, wherein Sp is a spacer unit, HE1 is a group (HE1I), which increases the hole-injection and/or hole-transport properties of the polymers; or a group (HE1II), which increases the electron-injection and/or electron-transport properties of the polymers, or a group (HE1III), which increases the hole-injection and/or hole-transport properties of the polymers and the electron-injection and/or electron-transport properties of the polymers, x1 is 0, or 1, and their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high temperature stability of the emission color can be observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs).
    • 本发明涉及包含式(I)的重复单元的新型聚合物,其中取代基R 1,R 2,R 3,R 4,R 5,R 6和R 7中的至少一个为 - (Sp)x1- HEI,其中Sp是间隔单元,HE1是基团(HE1I),其增加了聚合物的空穴注入和/或空穴传输性质; 或增加聚合物的电子注入和/或电子传输性质的组(HE1II)或增加聚合物和电子的空穴注入和/或空穴传输性质的基团(HE1III) - 聚合物的注入和/或电子传输性质,x1为0或1,以及它们在电子器件中的用途。 根据本发明的聚合物在有机溶剂中具有优异的溶解性和优异的成膜性能。 此外,如果根据本发明的聚合物用于聚合物发光二极管(PLED)中,则可以观察到高电荷载流子迁移率和发光颜色的高温稳定性。