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    • 5. 发明专利
    • Light emitting device and manufacturing method therefor
    • 发光装置及其制造方法
    • JP2005072012A
    • 2005-03-17
    • JP2004247705
    • 2004-08-27
    • Novaled Gmbhノヴァレッド・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング
    • BLOCHWITZ-NIMOTH JAN DRSORIN GILDAS
    • H01L33/00C09K11/06H01L51/00H01L51/30H01L51/40H01L51/50H05B33/10H05B33/14H05B33/22
    • H01L51/5048H01L51/002H01L51/0037H01L51/0051H01L51/0059H01L51/0077H01L51/5052
    • PROBLEM TO BE SOLVED: To provide a light emitting device having organic layers, in which an alteration a light emitting element layer structure is facilitated and charge carriers can be injected efficiently, and to provide a manufacturing method therefor.
      SOLUTION: The light emitting device has at least one polymer layer (three or four) and two molecular layers (five and six). In case that an upper contact portion 7 is a cathode, a layer adjacent to the upper contact portion 7 is an electron transportation molecular layer 6 containing main organic material and electron supply type dopant whose molecular weight is bigger than 200 g/mol. In case that the upper contact portion 7 is an anode, the layer adjacent to the upper contact portion 7 is a hole transportation molecular layer with p doping containing main organic material and electron acceptance type doping substance whose molecular weight is bigger than 200 g/mol. The light emitting device is manufactured by forming at least one of layers as the polymer layer and the molecular layers doped in vacuum with mixed vapor from two sources controlled separately.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 解决的问题:提供一种具有有机层的发光器件,其中便于改变发光元件层结构并且能够有效地注入电荷载体,并提供其制造方法。 解决方案:发光器件具有至少一个聚合物层(三个或四个)和两个分子层(五和六)。 在上接触部分7是阴极的情况下,与上接触部分7相邻的层是分子量大于200g / mol的主要有机材料和电子供体型掺杂剂的电子传输分子层6。 在上接触部分7是阳极的情况下,与上接触部分7相邻的层是具有p掺杂的空穴传输分子层,其含有分子量大于200g / mol的主要有机材料和电子接受型掺杂物质 。 发光器件通过将来自两个源的混合蒸汽的真空中的至少一个层形成为聚合物层和分子层来制造。 版权所有(C)2005,JPO&NCIPI