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    • 21. 发明授权
    • Method for fabricating pixelated polymer organic light emitting devices
    • 制造像素化聚合物有机发光器件的方法
    • US6111356A
    • 2000-08-29
    • US59608
    • 1998-04-13
    • Daniel B. RoitmanJames R. SheatsFereidoun Pourmirzaie
    • Daniel B. RoitmanJames R. SheatsFereidoun Pourmirzaie
    • G09F9/30H01L27/32H01L51/50H01L51/52H05B33/12H05B33/14H05B33/22H01J1/62
    • H01L27/3281H01L51/5221H01L27/3283H01L51/5048
    • A display having a plurality of addressable pixels and a method for constructing the same. The display includes a substrate having a first conducting layer thereon. The conducting layer includes a plurality of parallel row electrodes having edges separated by insulating material. A first polymer layer constructed from one or more thin films overlies the parallel row electrodes. An insulating layer overlies the polymer layer, the insulating layer having windows therein defining pixels for the display. The insulating layer overlies the edges of the row electrodes while providing access to the first polymer layer in the area of the pixels. A second conducting layer overlies the insulating layer and includes a plurality of separated column electrodes. Each column electrode crosses a plurality of the row electrodes and is located over the windows in the insulating layer at points defining the pixels. The second conducting layer is preferably constructed by depositing a layer of photoresist over the insulating layer and patterning the layer of photoresist to provide openings extending therethrough. The openings are wider in the portion of the layer nearest to the insulating layer. This layer acts as a shadow mask for depositing a layer of conducting material. In one embodiment of the invention, a second polymer layer is located between the insulating layer and the second conducting layer. The insulating layer is preferably constructed from a layer of photoresist that is baked to cross-link the photoresist. The polymer layers include an electroluminescent material, which is preferably based on a polyfluorene.
    • 具有多个可寻址像素的显示器及其构造方法。 显示器包括其上具有第一导电层的基板。 导电层包括多个平行的行电极,其边缘由绝缘材料分开。 由一个或多个薄膜构成的第一聚合物层覆盖在平行行电极上。 绝缘层覆盖聚合物层,绝缘层上具有窗口,用于显示器的像素。 绝缘层覆盖行电极的边缘,同时提供对像素区域中的第一聚合物层的访问。 第二导电层覆盖绝缘层并且包括多个分离的列电极。 每个列电极与多个行电极交叉,并且在限定像素的点处位于绝缘层中的窗口上方。 第二导电层优选通过在绝缘层上沉积光致抗蚀剂层并且图案化该光致抗蚀剂层以提供贯穿其中的开口而构成。 开口在最靠近绝缘层的层的部分较宽。 该层用作沉积导电材料层的荫罩。 在本发明的一个实施例中,第二聚合物层位于绝缘层和第二导电层之间。 绝缘层优选由烘烤以交联光致抗蚀剂的光致抗蚀剂层构成。 聚合物层包括电致发光材料,其优选基于聚芴。
    • 30. 发明授权
    • Organic electroluminescent device with full color characteristics
    • 有机电致发光器件具有全彩色特性
    • US6137221A
    • 2000-10-24
    • US111474
    • 1998-07-08
    • Daniel B. RoitmanJames R. Sheats
    • Daniel B. RoitmanJames R. Sheats
    • H01L27/32H01L51/50H01J1/62
    • H01L27/322H01L51/5036
    • An organic polymer based display and method for making the same. The display is constructed on a flexible sheet having first and second surfaces, the first and second surfaces being parallel to one another. The flexible sheet is transparent to light of a first wavelength. A first electrode, which includes a first electrode layer in contact with the first surface, is deposited on the flexible sheet. The first electrode layer is also transparent to light of the first wavelength. A light-emitting layer that includes an organic polymer is deposited on the electrode layer. A second electrode that includes a second electrode layer in contact with the light emitting layer is deposited on the light-emitting layer. The light emitting layer generates light of the first wavelength when a potential difference is applied across the first and second electrodes. A light conversion layer is deposited in contact with the second surface of the flexible sheet. The light conversion layer absorbs light of the first wavelength and emitting light of a second wavelength. In an addressable pixelated display, the light conversion layer and one of the first or second electrodes are patterned as parallel strips overlying one another.
    • 一种基于有机聚合物的显示器及其制造方法。 显示器构造在具有第一表面和第二表面的柔性片上,第一和第二表面彼此平行。 柔性片对于第一波长的光是透明的。 包括与第一表面接触的第一电极层的第一电极沉积在柔性片上。 第一电极层对于第一波长的光也是透明的。 包含有机聚合物的发光层沉积在电极层上。 包括与发光层接触的第二电极层的第二电极沉积在发光层上。 当跨越第一和第二电极施加电位差时,发光层产生第一波长的光。 沉积与柔性片的第二表面接触的光转换层。 光转换层吸收第一波长的光并发射第二波长的光。 在可寻址的像素化显示器中,光转换层和第一或第二电极之一被图案化成彼此重叠的平行条纹。