RGB Arrays for Micro-Light-Emitting Diode Applications Using Nanoporous GaN Embedded with Quantum Dots

Jin Ho Kang, Bingjun Li, Tianshuo Zhao, Muhammad Ali Johar, Chien Chung Lin, Yen Hsiang Fang, Wei Hung Kuo, Kai Ling Liang, Shu Hu, Sang Wan Ryu, Jung Han

研究成果: Article同行評審

6 引文 斯高帕斯(Scopus)

摘要

The multiple light scattering of nanoporous (NP) GaN was systematically studied and applied to the color down-conversion for micro-light-emitting diode (LED) display applications. The transport mean free path (TMFP) in NP GaN is 660 nm at 450 nm (light wavelength), and it decreases with a decreasing wavelength. It was observed that the short TMFP of the NP GaN increased the light extinction coefficient at 370 nm by 11 times. Colloidal QDs were loaded into a half 4″ wafer scale NP GaN, and 96 and 100% of light conversion efficiencies for green and red were achieved, respectively. By loading green and red QDs selectively into NP GaN mesas, we demonstrated the RGB microarrays based on the blue-violet pumping light with green and red color converting regions.

原文English
頁(從 - 到)30890-30895
頁數6
期刊ACS Applied Materials and Interfaces
12
發行號27
DOIs
出版狀態Published - 8 七月 2020

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