High-uniform and high-efficient color conversion nanoporous gan-based micro-led display with embedded quantum dots

Yu Ming Huang, Jo Hsiang Chen, Yu Hau Liou, Konthoujam James Singh, Wei Cheng Tsai, Jung Han, Chun Jung Lin, Tsung Sheng Kao, Chien-Chung Lin*, Shih Chen Chen, Hao Chung Kuo

*此作品的通信作者

研究成果: Article同行評審

30 引文 斯高帕斯(Scopus)

摘要

Quantum dot (QD)-based RGB micro-LED technology is seen as one of the most promising approaches towards full color micro-LED displays. In this work, we present a novel nanoporous GaN (NP-GaN) structure that can scatter light and host QDs, as well as a new type of micro-LED array based on an NP-GaN embedded with QDs. Compared to typical QD films, this structure can significantly enhance the light absorption and stability of QDs. As a result, the green and red QDs exhibited light conversion efficiencies of 90.3% and 96.1% respectively, leading to improvements to the luminous uniformity of the green and red subpixels by 90.7% and 91.2% respectively. This study provides a viable pathway to develop high-uniform and high-efficient color conversion micro-LED displays.

原文English
文章編號2696
期刊Nanomaterials
11
發行號10
DOIs
出版狀態Published - 10月 2021

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