An overview on the principle of inkjet printing technique and its application in micro-display for augmented/virtual realities
잉크젯 프린팅 기술의 원리와 증강/가상 현실용 마이크로 디스플레이에서의 응용에 대한 개요
Una descripción general del principio de la técnica de impresión de inyección de tinta y su aplicación en micropantallas para realidades virtuales/aumentadas
Un aperçu sur le principe de la technique d'impression à jet d'encre et son application en micro-affichage pour les réalités augmentées/virtuelles
Обзор принципа техники струйной печати и ее применения в микродисплеях для дополненной/виртуальной реальности
Xiao Yang ¹ ², Yue Lin 林岳 ¹ ², Tingzhu Wu 吴挺竹 ¹ ², Zijun Yan 严梓峻 ¹ ², Zhong Chen 陈忠 ¹ ², Hao-Chung Kuo 郭浩中 ³, Rong Zhang 张荣 ¹ ²
¹ Department of Electronic Science, Fujian Engineering Research Center for Solid-State Lighting, Xiamen University, Xiamen 361005, China
中国 厦门 厦门大学电子科学系 福建省半导体照明工程技术研究中心
² Institute of Future Display Technology, Xiamen University, Xiamen 361005, China
中国 厦门 厦门市未来显示技术研究院
³ Department of Photonics & Graduate Institute of Electro-Optical Engineering, College of Electrical and Computer Engineering, Chiao Tung University, Hsinchu 30010, Taiwan, China
台湾 新竹 台湾交通大学电机学院 光电工程学系 光电研究所
Opto-Electronic Advances, 25 June 2022

Augmented reality (AR) and virtual reality (VR) are two novel display technologies that are under updates. The essential feature of AR/VR is the full-color display that requires high pixel densities. To generate three-color pixels, the fluorescent color conversion layer inevitably includes green and red pixels. To fabricate such sort of display kits, inkjet printing is a promising way to position the color conversion layers.

In this review article, the progress of AR/VR technologies is first reviewed, and in succession, the state of the art of inkjet printing, as well as two key issues — the optimization of ink and the reduction of coffee-ring effects, are introduced. Finally, some potential problems associated with the color converting layer are highlighted.
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