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    • 4. 发明公开
    • ORGANIC ELECTROLUMINESCENT ELEMENT, COMPOSITION FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND ORGANIC ELECTROLUMINESCENT DEVICE
    • 有机电致发光,COMPOSITION FOR机电致发光元件及相关机电致发光
    • EP2665105A1
    • 2013-11-20
    • EP12734192.3
    • 2012-01-12
    • Mitsubishi Chemical Corporation
    • ABE TomohiroTANAKA FutoshiOKABE KazukiTAKAHASHI AtsushiIIDA KoichiroIMADA Ichiro
    • H01L51/50C08G73/02C09K11/06
    • H01L51/0035C08G73/026C08L79/02C09B1/00C09B3/14C09B57/00C09B57/008C09B57/08C09B69/105C09B69/109H01L51/0043H01L51/5064Y10S428/917
    • An organic electroluminescent element which can be operated at a low voltage is provided. The invention is to further obtain light sources, which take advantage of the feature of a surface light emitter, for flat-panel displays for low-power-consumption OA computers, wall-mounting TVs, etc. or for display panels, marker lamps and copiers, and for backlights of liquid-crystal displays and instruments, etc., by using the element.
      The present invention relates to an organic electroluminescent element which comprises two or more hole injection/transport layers each formed by a wet film formation method using a composition containing, as a hole-injecting/transporting compound, an arylamine polymer compound that has a repeating unit having a triarylamine structure therein, in which when the number of atoms present on the path which is the smallest in the number of atoms present thereon, of the paths which each connect the nonaromatic tertiary nitrogen atoms contained in any two triarylamine structures present in each polymer compound, is taken as N: the minimum number of atoms between nitrogen atoms in the compound, then the N in each hole injection/transport layer is in a specific state.
    • 提供一种能够在低电压下进行操作的有机电致发光元件。 本发明是つweiterer获得的光源,其中采取的面发光体的特征的优点,用于平板显示器的低功耗OA计算机,墙壁安装的电视,等等或用于显示板,标志灯和 复印机,以及用于液晶显示器,仪器等的背光灯,通过使用元素。 本发明涉及到包括通过使用包含组合物的湿膜形成法分别形成两个或更多个空穴注入/输送层,空穴注入/传输化合物,芳基胺聚合物化合物确实具有的重复单元有机电致发光元件 具有三芳基胺结构。其中,在其中,当原子存在于路径上的数目的所有这是在原子的本上以号码最小的每个连接包含在存在于每个聚合物中的任何两个三芳基胺结构的非芳族的叔氮原子的路径, 化合物,被取为N,在该化合物中的氮原子之间的原子的最小数目,则n在各空穴注入/输送层是在一个特定的状态。