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    • 5. 发明申请
    • THERMAL IMAGING PROCESSES AND PRODUCTS OF ELECTROACTIVE ORGANIC MATERIAL
    • 电热有机材料的热成像工艺和产品
    • WO2002070271A2
    • 2002-09-12
    • PCT/US2002/008164
    • 2002-02-21
    • E. I. DU PONT DE NEMOURS AND COMPANYBLANCHET-FINCHER, Graciela, Beatriz
    • BLANCHET-FINCHER, Graciela, Beatriz
    • B41M3/00
    • H01L51/0008B41M5/38207B41M5/443B41M5/446B41M5/465B41M7/0027H01L27/32H01L51/0004H01L51/0009H01L51/0013H01L51/5012Y02E10/549Y02P70/521Y10T428/24802
    • Processes for effecting thermal transfer of electroactive organicmaterial are disclosed wherein unwanted portions of a layer of electro organic material supported by a donor element are removed or transferred from the layer by thermal transfer, particularly laser-induced thermal transfer, leaving a desired pattern of the electroactive organic material on the donor element. The electroactive organic material may be an organic material exhibiting electroluminescence, charge transport, charge injection, electrical conductivity, semiconductivity and/or exciton blocking. The layer of electroactive organic material may comprise more than one layer of different types of electroactive organic material. The exposure pattern is a negative image of the desired pattern. The electroactive organic material of the desired pattern is not, therefore, exposed to the heat which can cause decomposition. The desired pattern of electroactive organic material may then be gently transferred from the donor element to a desired substrate by lamination, for example, without damaging the electroactive organic material. The substrate may be used to form organic electronic devices, such as light emitting displays, photodetectors and photovoltaic cells. Donor elements for use in the processes are also disclosed.
    • 公开了用于实现电活性有机材料的热转移的方法,其中由施主元件支撑的电有机材料层的不希望的部分通过热转移(特别是激光诱导的热转移)从层中去除或转移,留下所需的电活性图案 供体元素上的有机物质。 电活性有机材料可以是表现出电致发光,电荷传输,电荷注入,导电性,半导体性和/或激子阻断的有机材料。 电活性有机材料层可以包括不止一层不同类型的电活性有机材料。 曝光图案是所需图案的负像。 因此,所需图案的电活性有机材料不会暴露于可导致分解的热。 然后可以通过层压,例如不损害电活性有机材料,将电活性有机材料的期望图案从供体元件轻轻地转移到期望的基底。 衬底可用于形成有机电子器件,例如发光显示器,光电检测器和光伏电池。 还公开了用于该方法的供体元件。