Feasibility study of nanopillar LED array for color-tunable lighting and beyond Chung, Kunook ; Sui, Jingyang ; Sarwar, Tuba ; Ku, Pei-Cheng Abstract Publication: Optics Express Pub Date: December 2019 DOI: 10.1364/OE.382287 Bibcode: 2019OExpr..2738229C