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    • 8. 发明授权
    • Organic electronic devices
    • 有机电子设备
    • US07332369B2
    • 2008-02-19
    • US10523644
    • 2003-07-30
    • Janos VeresSimon Dominic OgierStephen George Yeates
    • Janos VeresSimon Dominic OgierStephen George Yeates
    • H01L51/40
    • H01L51/0023B82Y10/00G11C13/0014G11C13/0016H01L51/0022H01L51/0035H01L51/0036H01L51/0037H01L51/0038H01L51/0039H01L51/0059H01L51/0077H01L51/0081H01L51/0084H01L51/0086H01L51/0089H01L51/56Y02E10/549
    • A method for forming an organic electronic device, which method comprises the steps of: a) forming a negative image of a desired pattern on a substrate or device layer with a lift-off ink; b) coating a first device layer to be patterned on top of the negative image; c) coating one or more further device layers to be patterned on top of the first device layer to be patterned; and d) removing the lift-off ink and unwanted portions of the device layers above it, thereby leaving the desired pattern of device layers. The method allows the formation of a device structure wherein the device layers to be patterned are self-aligned. The method enables a multiplicity of layers to be patterned in a single set of printing and lift-off steps using one pattern which ensures the excellent vertical alignment of edges, which would be difficult to achieve by direct printing. Horizontal alignment can also be achieved. The size of the device features can be reduced below the actual printing resolution. Examples of organic electronic devices include OFETs, OLEDs, memory, sensing elements, solar cells, photo-sensors, photoreceptors for electrophotography and the like.
    • 一种用于形成有机电子器件的方法,所述方法包括以下步骤:a)用剥离油墨在衬底或器件层上形成所需图案的负像; b)在负图像的顶部涂覆待图案化的第一器件层; c)在待图案化的第一器件层的顶部涂覆待图案化的一个或多个其它器件层; 以及d)去除剥离墨水和其上方的装置层的不希望的部分,从而留下所需的装置层图案。 该方法允许形成器件结构,其中待图案化的器件层是自对准的。 该方法使得可以使用一种图案在单组打印和剥离步骤中图案化多个层,其确保边缘的优异垂直对准,这将难以通过直接印刷实现。 也可以实现水平对准。 设备特征的大小可以降低到实际打印分辨率以下。 有机电子器件的实例包括OFET,OLED,存储器,感测元件,太阳能电池,光电传感器,用于电子照相术的光感受器等。