Thin, single semi conducting layer of GaInN, possibly containing a small percentage of arsenic, phosphorus or antimony, the said layer emitting at least two visible lights with determined colours which can be combined, particularly to obtain white light. Method for preparing this layer. Light emitting diode (LED), particularly a LED emitting white light comprising such a thin layer in its active zone, and lighting device comprising such a diode.
Andras Kis, Fedele Tagarelli, Dmitrii Unuchek, Zhe Sun, Juan Francisco Gonzalez Marin, Cheol Yeon Cheon
Olivier Martin, Karim Achouri, Andrei Kiselev, Sergejs Boroviks