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    • 6. 发明授权
    • Cavity electroluminescent devices and methods for producing the same
    • 腔电致发光器件及其制造方法
    • US08697254B2
    • 2014-04-15
    • US11900478
    • 2007-09-11
    • Yijian Shi
    • Yijian Shi
    • H01L51/54
    • H01L51/5203H01L27/3295H01L51/50
    • Aspects of the invention include electroluminescent devices and methods for making the same. In certain embodiments, the devices include a substrate, a hole-injection electrode layer, a dielectric layer, an electroluminescent layer, an electron-injection electrode layer, and a cavity. In certain embodiments, an electrode layer (e.g., the electron-injection or hole-injection electrode layer) is positioned above the cavity and is configured for directing light through the substrate. In certain embodiments, an electrode layer (e.g., the electron-injection or hole-injection electrode layer) is positioned above and spans across the cavity. The use of the produced device(s) in electroluminescent displays is also provided herein.
    • 本发明的方面包括电致发光器件及其制造方法。 在某些实施例中,器件包括衬底,空穴注入电极层,电介质层,电致发光层,电子注入电极层和空腔。 在某些实施例中,电极层(例如,电子注入或空穴注入电极层)位于腔的上方,并且被配置用于将光引导通过衬底。 在某些实施例中,电极层(例如,电子注入或空穴注入电极层)位于空腔的上方并跨越空腔。 本文还提供了在电致发光显示器中使用所产生的装置。
    • 7. 发明授权
    • High efficiency electroluminescent devices and methods for producing the same
    • 高效电致发光器件及其制造方法
    • US08574937B2
    • 2013-11-05
    • US12812881
    • 2008-01-24
    • Yijian Shi
    • Yijian Shi
    • H01L21/00
    • H01L51/5092H01L51/004H01L51/0077H01L51/5012
    • Aspects of the disclosure include electroluminescent devices and methods for making the same. The devices include a substrate, a hole-injection electrode layer, an electroluminescent layer, and an electron-injection electrode layer, such as a layer that includes an air-stable, low work function material, which layer is capable of achieving efficient electron injection with reduced current leakage. In certain embodiments, the devices may contain an efficient electron injection layer that includes a composition comprising a polymer, e.g., a polymer that contains polar components (such as a polar functional group), and a metal diketonate. In certain embodiments, the devices may contain an electron injection layer that includes polyethylene glycol dimethyl ether and barium or calcium acetylacetonate. Methods of manufacturing such devices, for instance, employing a solution processing step for the deposition of an electron injection layer, as well as the use of the produced device(s) in electroluminescent displays is also provided herein.
    • 本公开的方面包括电致发光器件及其制造方法。 这些器件包括衬底,空穴注入电极层,电致发光层和电子注入电极层,例如包含空气稳定的低功函数材料的层,该层能够实现有效的电子注入 减少电流泄漏。 在某些实施方案中,所述装置可以包含有效的电子注入层,其包括包含聚合物的组合物,例如含有极性组分的聚合物(例如极性官能团)和金属二酮。 在某些实施方案中,所述装置可以包含电子注入层,其包括聚乙二醇二甲醚和乙酰丙酮酸钙或钙。 本文还提供制造这种器件的方法,例如采用用于沉积电子注入层的溶液处理步骤,以及在电致发光显示器中使用所制备的器件。