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An LED chip with monolithically integrated, individually addressable multi-color pixels was demonstrated with a color tuning range from blue to green on a single epitaxial wafer.
We report the study of InGaN/GaN multiple quantum wells (MQWs) grown on multi-facet microrods. The multi-facet MQWs have broad emission spectrum. Electrical injection was demonstrated with emission color ranged from red to blue.
A lot of works have been done to explore the possibility of integrating multiple colors in one LED chip [1,2,3]. It has great potential in displays, imaging, sensors, and plenty of possible applications. Multi-color nanoLED arrays have been achieved by molecular-beam-epitaxy grown InGaN dot-in-wire structures [1,3] and colloidal quantum dot arrays [2]. However, they requires complicated manufacturing...
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