Source of ColorTunableLED

[[LED]] > [[ColorTunableLED]]

-  Micro LED Display Technology improved with all new Color Tunable GaN LED
--  https://www.eletimes.com/micro-led-display-technology-improved-with-all-new-color-tunable-gan-led

- 発光体の常識をぶち破る。電流で色が変わるLED
--  https://www.gizmodo.jp/2019/05/191352.html