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    • 9. 发明申请
    • ELECTROLUMINESCENT DEVICE AND A WAY TO FABRICATE IT
    • 电致发光器件及其制作方法
    • WO1996003015A1
    • 1996-02-01
    • PCT/SE1995000859
    • 1995-07-14
    • FORSKARPATENT I LINKÖPING ABBERGGREN, Rolf, MagnusDYREKLEV, Tord, PeterINGANÄS, Olle, Werner
    • FORSKARPATENT I LINKÖPING AB
    • H05B33/14
    • H01L51/0013C09K11/06H05B33/10H05B33/14H05B33/26
    • An electroluminescent device has a preferably transparent or translucent material constituted substrate, a first electrode layer (11) applied on this, a light emitting layer (12, 13) applied on this and the substrate (10) and displaying a light emitting ability and constituted by a conjugated polymer or a polymer mixture and a second electrode layer (14) applied on top of the light emitting layer (12, 13), the electroluminescent device being provided with connections (15, 16) to the two electrode layers. According to the invention a light emitting layer (12, 13) includes a separately fabricated, integral, light emitting layer (13). Preferably this layer (13) is pre-treated, in particular tensioned in one direction in order to orient the major part of the polymeric chains in the polymeric material in this direction. At the preferable embodiment the light emitting layer is constituted by several partlayers (12, 13). At the fabrication of such an electroluminescent device is used a manner, in which at least a part (13) of the light emitting layer (12, 13) is applied by transferring it from a carrier or a support, on which this layer (13) first has been made, the transfer from the carrier for the lamination with the underlying of the electroluminescent device preferably is executed first since this part (13) of the light emitting layer (12, 13) has been subjected to a pretreatment, in particular a strectching in a direction for orientation of the polymer chains in the polymer material in this direction.
    • 电致发光器件具有优选透明或半透明材料构成的衬底,施加在其上的第一电极层(11),施加在其上的发光层(12,13)和衬底(10)并且显示发光能力并构成 通过共轭聚合物或聚合物混合物和施加在发光层(12,13)的顶部上的第二电极层(14),电致发光器件设置有与两个电极层的连接(15,16)。 根据本发明,发光层(12,13)包括单独制造的整体发光层(13)。 优选地,该层(13)被预处理,特别是在一个方向上张紧,以便在该方向上将聚合物链的主要部分定向在聚合物材料中。 在优选实施例中,发光层由几个部分层(12,13)构成。 在这种电致发光器件的制造中采用这样一种方式,其中通过从载体或载体转移至少一个发光层(12,13)的一部分(13),其中该层(13,13) )首先,首先从发光层(12,13)的该部分(13)进行了预处理,首先执行用于与电致发光器件的层叠层叠的载体的转移,特别是 在该方向上在聚合物材料中的聚合物链的取向方向上的竖立。