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首页> 外文期刊>Advanced Functional Materials >Bright-Multicolor, Highly Efficient, and Addressable Phosphorescent Organic Light-Emitting Fibers: Toward Wearable Textile Information Displays
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Bright-Multicolor, Highly Efficient, and Addressable Phosphorescent Organic Light-Emitting Fibers: Toward Wearable Textile Information Displays

机译：明亮 - 多色，高效，可寻址的磷光有机发光纤维：朝向可穿戴纺织信息显示

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摘要

Fiber-based light-emitting devices, which can be directly integrated into daily clothes, have emerged as a next-generation display form factor that can provide informational hyper-connections between humans and devices. However, although various approaches have provided advanced wearability, challenges remain for visualizing information, such as high power consumption resulting from high driving voltage and low current efficiency (CE), limited brightness making information difficult to recognize, and lack of addressability for displaying information. Here, a novel fiber-based textile display that can surmount those challenges by successfully introducing phosphorescent organic light-emitting diodes (phOLEDs) based on a dip-coating method and an addressable structure on cylinder-shaped fiber is reported. The fiber phOLEDs exhibit unprecedented optoelectronic performance, including brightness, CE, and driving voltages comparable to those of conventional glass-based OLEDs. Particularly, they show the highest CE values of 16.3, 60.7, and 16.9 cd A(-1) for red, green, and blue, respectively, among results reported thus far. Also, the fiber phOLEDs with an addressable structure implementing independent pixels can be operated by the matrix-addressable scheme. Based on unique deformability which is confirmed by flexibility tests, the performance capabilities, and addressability, letter information can be successfully visualized on daily clothes, demonstrating the potential for realizing truly wearable textile displays.
机译：基于纤维的发光装置，可以直接集成到日衣服中，作为下一代显示形式因素，可以提供人类和设备之间的信息超连接。然而，尽管各种方法提供了先进的耐用性，但是仍然用于可视化信息的挑战，例如由高驱动电压和低电流效率（CE）导致的高功耗，有限的亮度使信息难以识别，并且缺乏用于显示信息的可寻址性。这里，报道了一种基于新的基于纤维的纺织品显示器，可以通过基于浸涂方法成功地引入磷光有机发光二极管（Pholed）和圆柱形纤维上的可寻址结构来超越这些挑战。纤维Pholeds表现出前所未有的光电性能，包括与传统玻璃基OLED的亮度，CE和驱动电压相当。特别是，它们分别显示出红色，绿色和蓝色的16.3,60.7和16.9cd A（-1）的最高CE值。而且，具有实现独立像素的可寻址结构的光纤PHOLED可以由矩阵可寻址方案操作。基于由灵活性测试确认的独特变形性，性能能力和可寻址性，信函信息可以在日常衣服上成功地可视化，展示了实现真正可穿戴纺织品显示器的可能性。

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