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Design and Numerical Simulation of Color Tunable Laterally Arranged Quantum well Light Emitting Diode with Double Anode Single Cathode
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Design and Numerical Simulation of Color Tunable Laterally Arranged Quantum well Light Emitting Diode with Double Anode Single Cathode

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Abstract:

In this paper, a color-tunable light emitting diode LED with two laterally arranged single quantum wells (SQWs) is designed, and simulated. In this work, III-nitride materials are used. The structure has been numerically investigated using the ATLAS simulation software. The proposed structure has three electrodes. This gives the opportunity to emit violet (420 nm) or green (560 nm) light individually. Furthermore, it can emit simultaneously a mixture of both colors, and at a certain mixture ratio the white light is obtained with chromaticity coordinates ( x = 0.3113, y = 0.3973). The lateral arrangement of the two SQWs reduces the negative effect of photon absorption; which will give good external quantum efficiency (EQE). The structure has a big importance in the application of the solid-state lighting, especially in the white light generation.

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Advanced Materials Research Vol. 1170 View Preview

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Periodical:

Advanced Materials Research (Volume 1170)

Pages:

11-24

DOI:

https://doi.org/10.4028/p-a4ldk0

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Online since:

April 2022

Authors:

Ahmid Djelloul*, Hamaizia Zahra

Keywords:

Aluminum Gallium Nitride, Color Tunable LED, Electrode, Gallium Nitride, Indium Gallium Nitride, Laterally Arranged SQW, Quantum well, Silvaco

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© 2022 Trans Tech Publications Ltd. All Rights Reserved

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