新型微/迷你发光二极管显示器中增强环境对比度的研究。

Investigation of Enhanced Ambient Contrast Ratio in Novel Micro/Mini-LED Displays.

作者信息

Zhang Ke, Han Tingting, Cho Wai-Keung, Kwok Hoi-Sing, Liu Zhaojun

机构信息

Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen 518055, China.

State Key Laboratory of Advanced Displays and Optoelectronics Technologies, The Hong Kong University of Science and Technology, Hong Kong 999077, China.

出版信息

Nanomaterials (Basel). 2021 Dec 6;11(12):3304. doi: 10.3390/nano11123304.

DOI:10.3390/nano11123304

PMID:34947653

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8706209/

Abstract

In recent years, ambient contrast ratio (ACR) has become very critical for advanced outdoor displays, including transparent displays, portable displays, and so on. In this work, the ACR of typical flat panel displays was introduced, while LED-based displays showed distinctive advantages. Micro-LED displays with a different pitch of 10 μm, 15 μm, 30 μm, and 60 μm were fabricated and characterized. Various mini-LED and micro-LED panels were systematically investigated in the aspect of brightness, reflection phenomenon, and ACR to reveal their enormous potential for outdoor applications. Through a series of experiments and comparisons, three methods were proposed to further improve the ACR of LED-based panels, including optical method, antireflection coating, and structure optimization.

摘要

近年来，环境对比度（ACR）对于包括透明显示器、便携式显示器等在内的先进户外显示器变得至关重要。在这项工作中，介绍了典型平板显示器的ACR，而基于发光二极管（LED）的显示器显示出独特的优势。制作并表征了具有10μm、15μm、30μm和60μm不同间距的微型发光二极管显示器。系统地研究了各种微型发光二极管和微型发光二极管面板在亮度、反射现象和ACR方面的情况，以揭示它们在户外应用中的巨大潜力。通过一系列实验和比较，提出了三种进一步提高基于发光二极管面板ACR的方法，包括光学方法、抗反射涂层和结构优化。