1. Blue‐green laser diodes
2. Significant progress in II-VI blue-green laser diode lifetime
3. Quantum well lasers;Bour,1993
4. High performance AlGaInP visible light‐emitting diodes
5. Valster A, Finke MN, Boermans MJB, Heijden JMMVD, Spreuwenberg CJGP, Liedenbaum CTHF. In: Proceedings of the 12th IEEE international semiconductor laser conference, Davos, Switzerland; 9–14 September, 1990, paper PD-12.