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首页> 外文会议>14th International Conference on Vacuum WEB Coating, 14th, Oct 25-27, 2000, Reno, Nevada >Transparent Conductive Ultra-Barriers for OLED and PLED Flexible Plastic Displays
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Transparent Conductive Ultra-Barriers for OLED and PLED Flexible Plastic Displays

机译：用于OLED和PLED柔性塑料显示器的透明导电超壁垒

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摘要

Both OLED and PLED type displays use light-emitting layers that are very sensitivity to water vapor. In addition, many of the common cathode materials, e.g., calcium, also are easily damaged by moisture. Transparent thin film multilayers of both dielectric inorganic/organic and semiconductor/organic materials have demonstrated water vapor transmission rates (WVTR) at or below the measurement limit of commercial instrumentation. However, this measurement limited WVTR is considered to be far from an acceptable permeability performance. Thin film ultra-barriers with WVTR as low as 1 microgram/m~2-day may be required to assure acceptable lifetimes for these displays made on flexible plastic substrates. Multilayer thin film samples on PET substrates were made with sputter deposited indium tin oxide (ITO) barrier layers, separated by vacuum deposited acrylate polymer layers. The electrical, optical and barrier characteristics of these polymer/ITO multilayers were measured. OLED and PLED devices were encapsulated with sample polymer/ITO barrier stacks. Functional and storage lifetime results for these encapsulated devices are compared with WVTR measurement results for the barrier stack.
机译：OLED和PLED型显示器都使用对水蒸气非常敏感的发光层。另外，许多普通的阴极材料，例如钙，也容易被湿气损坏。电介质无机/有机材料和半导体/有机材料的透明薄膜多层膜均显示出水蒸气透过率（WVTR）等于或低于商业仪器的测量极限。但是，这种测量受限的WVTR被认为与可接受的渗透性能相去甚远。可能需要WVTR低至1微克/平方米〜2天的薄膜超障壁，以确保这些在柔性塑料基板上制成的显示器的使用寿命可接受。用溅射沉积的铟锡氧化物（ITO）阻挡层制作PET基板上的多层薄膜样品，并用真空沉积的丙烯酸酯聚合物层将其隔开。测量了这些聚合物/ ITO多层的电学，光学和阻挡特性。 OLED和PLED器件用样品聚合物/ ITO阻挡层堆叠封装。将这些封装器件的功能和存储寿命结果与栅栏堆叠的WVTR测量结果进行比较。

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