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    • 5. 发明公开
    • FLUOROALKYLFLUORENE DERIVATIVES
    • 氟代烷基芴衍生物
    • EP3131898A1
    • 2017-02-22
    • EP15727031.5
    • 2015-04-17
    • Lomox Limited
    • KOCH, Gene CarlJUDD, Luke WilliamALDRED, Matthew Phillip
    • C07D417/14C07C65/26C07C35/21C07C69/92C07C43/225C07D207/452C07D285/14H01L51/00
    • Compounds according to formula D-S¹-A-B¹, where: A represents -Ar1-(FL-Ar2)n-; Ar1 and Ar2 each represent a bond or an aromatic or heteroaromatic diradical, or two aromatic or heteroaromatic diradicals mutually connected by a single bond, or a FL moiety, or two FL moieties mutually connected by a single bond; n is an integer from 1-8. FL represents a 2,7- disubstituted 9,9-fluoroalkyl fluorene diradical according to the formula as shown where R preferably represents an alkyl group; S1 and S2 are flexible linker groups, preferably octyloxy groups. D represents a crosslinkable group, and may be a vinyl ether, maleimide, maleate, or fumarate group. B1 is a crosslinkable group or a hydrogen atom. The fluoroalkylfluorene derivatives may be liquid crystalline materials. Network polymers may be formed by exposure of the crosslinkable groups to radiation, preferably ultraviolet radiation. Also claimed is a device comprising a plurality of charge transport layers and/or emissive layers that contain compounds as defined above. Preferably the device is an OLED device. Preferably the OLED device comprises a light emitting layer that comprises a compound as defined above comprising a uniformly aligned liquid crystalline structure.
    • 根据式D-S-A-B-1的化合物,其中:A表示-Ar1-(FL-Ar2)n-; Ar 1和Ar 2各自表示键或芳族或杂芳族二价基团,或通过单键或FL部分或通过单键相互连接的两个FL部分相互连接的两个芳族或杂芳族二价基团; n是1-8的整数。 FL表示根据下式表示的2,7-二取代的9,9-氟烷基芴双基,其中R优选表示烷基; S1和S2是柔性连接基团,优选辛氧基。 D表示可交联基团,并且可以是乙烯基醚,马来酰亚胺,马来酸酯或富马酸酯基团。 B1是可交联基团或氢原子。 氟代烷基芴衍生物可以是液晶材料。 网状聚合物可通过将可交联基团暴露于辐射,优选紫外辐射而形成。 还要求保护的是包含含有如上定义的化合物的多个电荷传输层和/或发射层的器件。 优选地,该器件是OLED器件。 优选地,OLED器件包括发光层,该发光层包含如上定义的包含均匀排列的液晶结构的化合物。