Spectroscopic Influence of Virtual Reality and Augmented Reality Display Devices on the Human Nonvisual Characteristics and Melatonin Suppression Response

by Changwook Kim, Hee Chang Yoon, Dae Hwan Kim, Young Rag Do
Published 2018-01-01

Circadian-tunable Perovskite Quantum Dot-based Down-Converted Multi-Package White LED with a Color Fidelity Index over 90

by Hee Chang Yoon, Ji Hye Oh, Soyoung Lee, Jae Byung Park, Young Rag Do
Published 2017-06-01

Low-Yellowing Phosphor-in-Glass for High-Power Chip-on-board White LEDs by Optimizing a Low-Melting Sn-P-F-O Glass Matrix

by Hee Chang Yoon, Kouhara Yoshihiro, Heeyeon Yoo, Seung Woo Lee, Ji Hye Oh, Young Rag Do
Published 2018-05-01