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    • 1. 发明公开
    • Organic electroluminescent device
    • 有机电动机
    • EP2073289A2
    • 2009-06-24
    • EP09157693.4
    • 2001-12-25
    • Samsung Mobile Display Co., Ltd.
    • Ishikawa, HitoshiToguchi, SatoruTada, HiroshiOda, Atsushi
    • H01L51/30C09K11/06
    • H01L51/0052H01L51/005H01L51/0053H01L51/0059H01L51/007H01L51/5048H01L51/5052H01L51/5092H01L2251/308
    • An organic electroluminescent device including at least one organic thin film layer interposed between an anode and a cathode, the at least one organic thin film layer including a luminescent zone having at least one luminescent layer, wherein the organic thin film layer contains a compound represented by one of the following general formulae [I], [II] and [III]:

               [I]     A 1 -X 1 -(A 2 ) a

               [II]     X N -(Y) n

               [III]     Y 1 -Y 2 .


      Since the light emission from layers other than the luminescent zone (luminescent layer) is significantly decreased in this organic EL device, the color purity of the light emitted by the device is improved, thus providing a highly efficient, high luminance organic electroluminescent device.
    • 一种有机电致发光器件,包括介于阳极和阴极之间的至少一个有机薄膜层,所述至少一个有机薄膜层包括具有至少一个发光层的发光区,其中所述有机薄膜层含有由 以下通用公式之一[I],[II]和[III]:€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒA1 -X 1 - (A 2)a€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒXN - (Y)n€ƒ€ƒ€ƒ€ €ƒ€ƒ€ƒ[III]€ƒ€ƒ€ƒ€ƒY1 -Y 2。 由于在该有机EL元件中发光区域以外的发光区域(发光层)的发光明显减少,所以能够提高器件发出的光的色纯度,提供高效率,高亮度的有机电致发光器件。