Monolithic u-LED

[LEDIA5-01(Invited)] Combinational integration of Eu-doped GaN and InGaN LEDs
and their prospects for miniaturization

*Shuhei Ichikawa^1,2, Yasufumi Fujiwara¹, Kazunobu Kojima¹ (1. Graduate School of Engineering, Osaka University, 2. Research Center for UHVEM, Osaka University)

We demonstrate monolithically-stacked RGB LEDs consisting of GaN:Eu and InGaN QWs with remarkably wide color gamut. Furthermore, we show the evaluation of surface recombination processes and discuss prospects towards μ-LED applications.