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Combined internal and external extraction layers for enhanced light outcoupling for organic light emitting device
Combined internal and external extraction layers for enhanced light outcoupling for organic light emitting device
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机译:内部和外部提取层组合,增强了有机发光器件的光输出耦合
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摘要
OLED structures including an internal extraction layer are provided. The internal extraction layer includes a material having a refractive index that is higher than the refractive index of a transparent electrode in the device, and a non-planar interface disposed between the material and the substrate. Devices are also provided that include an external extraction layer having a non-planar surface which, when used in conjunction with an internal extraction layer, provides greatly improved outcoupling of light generated by the device.
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