A Single-Pixel RGB Device in a Colorful Alphanumeric Electrofluorochromic Display.,Advanced Materials

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A Single-Pixel RGB Device in a Colorful Alphanumeric Electrofluorochromic Display.
Advanced Materials ( IF 27.4 ) Pub Date : 2020-08-02 , DOI: 10.1002/adma.202003121
Weiran Zhang ₁ , Yu-Mo Zhang ₁ , Fuli Xie ₁ , Xuchao Jin ₁ , Jing Li ₁ , Guojian Yang ₁ , Chang Gu ₁ , Yuyang Wang ₁ , Sean Xiao-An Zhang ₁

Affiliation

With the rapid development of human society, consumer electronics have brought marvelous changes to human daily life, but they are accompanied by the much higher demand of display quality and visual experience. Therefore, ideal conversion among the three primary colors—red (R), green (G), and blue (B)—in a single pixel has been a better way to avoid the insurmountable technical barrier of subpixel technology of modern displays. Electrofluorochromic (EFC) materials capable of a novel luminescent switching, open a powerful way to design optoelectronic devices for displays and information storage etc. Colorful EFC devices, especially emitting the ideal three primary colors without subpixel technology, have been a challenge for years. Herein, a long‐awaited single‐pixel device with RGB color is fabricated successfully based on proton‐coupled electron transfer. The RGB EFC device exhibits outstanding EFC properties, such as low turn‐on voltage (+1.0 and −1.0 V), large color gamut, and good stability (500 cycles for each color). Prototypes of colorful alphanumeric displays are well demonstrated in a facile way. The success of this new exploration of single‐pixel RGB EFC device not only provides the possibility of full‐color emission in EFC devices, but also will widely broaden the EFC system and their applications.

中文翻译：

彩色字母数字电致变色显示器中的单像素RGB设备。

随着人类社会的飞速发展，消费类电子产品给人类的日常生活带来了翻天覆地的变化，但随之而来的是对显示质量和视觉体验的更高要求。因此，在单个像素中实现三种原色（红色（R），绿色（G）和蓝色（B））之间的理想转换是避免现代显示器子像素技术不可克服的技术障碍的更好方法。能够进行新颖的发光转换的电致变色（EFC）材料为设计用于显示和信息存储等的光电设备开辟了一条有力的途径。多年来，彩色EFC设备（尤其是不使用亚像素技术就能发出理想的三种原色）一直是一个挑战。在这里基于质子耦合电子转移，成功制造了期待已久的具有RGB颜色的单像素设备。RGB EFC设备具有出色的EFC特性，例如低的开启电压（+1.0和-1.0 V），较大的色域和良好的稳定性（每种颜色500个循环）。彩色字母数字显示的原型已以一种简便的方式很好地展示了出来。这种对单像素RGB EFC设备的新探索的成功，不仅为EFC设备提供了全彩色发射的可能性，而且还将广泛拓宽EFC系统及其应用。

更新日期：2020-09-15

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