A multifunctional display based on photo-responsive perovskite light-emitting diodes

IF 33.7 1区工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC Nature Electronics Pub Date : 2024-04-10 DOI:10.1038/s41928-024-01151-x

Chunxiong Bao, Zhongcheng Yuan, Wenxiao Niu, Jie Yang, Zijian Wang, Tao Yu, Jianpu Wang, Feng Gao

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Abstract

Current display screens are typically only used for information display, but can have a range of different sensors integrated into them for functions such as touch control, ambient light sensing and fingerprint sensing. Photo-responsive light-emitting diodes (LEDs), which can display information and respond to light excitation, could be used to develop future ultra-thin and large screen-to-body ratio screens. However, photo-response is difficult to achieve with conventional display technologies. Here, we report a multifunctional display that uses photo-responsive metal halide perovskite LEDs as pixels. The perovskite LED display can be simultaneously used as a touch screen, ambient light sensor and image sensor (including for fingerprint drawing) without integrating any additional sensors. The light-to-electricity conversion efficiency of the pixels also allow the display to act as a photovoltaic device that can charge the equipment. Photo-responsive metal halide perovskite light-emitting diodes can be used to create a multifunctional display that can function as a touch screen, ambient light sensor and image sensor.

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基于光响应型包晶发光二极管的多功能显示器

目前的显示屏幕通常只用于信息显示，但可以集成一系列不同的传感器，以实现触摸控制、环境光感应和指纹感应等功能。光响应发光二极管（LED）可以显示信息并对光激励做出响应，可用于开发未来的超薄和大屏幕与机身比例屏幕。然而，传统的显示技术很难实现光响应。在此，我们报告了一种使用光响应金属卤化物包晶 LED 作为像素的多功能显示屏。这种过氧化物 LED 显示屏可同时用作触摸屏、环境光传感器和图像传感器（包括指纹绘制），而无需集成任何其他传感器。像素的光电转换效率还可使显示屏充当光伏设备，为设备充电。

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来源期刊

Nature Electronics Engineering-Electrical and Electronic Engineering

CiteScore

47.50

自引率

2.30%

发文量

159

期刊介绍： Nature Electronics is a comprehensive journal that publishes both fundamental and applied research in the field of electronics. It encompasses a wide range of topics, including the study of new phenomena and devices, the design and construction of electronic circuits, and the practical applications of electronics. In addition, the journal explores the commercial and industrial aspects of electronics research. The primary focus of Nature Electronics is on the development of technology and its potential impact on society. The journal incorporates the contributions of scientists, engineers, and industry professionals, offering a platform for their research findings. Moreover, Nature Electronics provides insightful commentary, thorough reviews, and analysis of the key issues that shape the field, as well as the technologies that are reshaping society. Like all journals within the prestigious Nature brand, Nature Electronics upholds the highest standards of quality. It maintains a dedicated team of professional editors and follows a fair and rigorous peer-review process. The journal also ensures impeccable copy-editing and production, enabling swift publication. Additionally, Nature Electronics prides itself on its editorial independence, ensuring unbiased and impartial reporting. In summary, Nature Electronics is a leading journal that publishes cutting-edge research in electronics. With its multidisciplinary approach and commitment to excellence, the journal serves as a valuable resource for scientists, engineers, and industry professionals seeking to stay at the forefront of advancements in the field.