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How electron emission uncovered the last mystery of nitride LEDs | Synapse

May 20, 2026Open Access

How electron emission uncovered the last mystery of nitride LEDs

Key Points

The aim is to understand the efficiency loss of GaN-based white LEDs at high currents.
Conducted a groundbreaking physics experiment focusing on electron emission.
Analyzed the effects of high currents on LED performance.
Identified the underlying reasons for efficiency loss at high currents.
Provided insights that could lead to improved LED performance in future applications.

Abstract

The remarkable energy efficiency of GaN-based white LEDs has made them the cornerstone of modern lighting. Yet behind this global commercial triumph lay a lingering mystery: why do these LEDs lose efficiency at high currents? That question has finally been answered, thanks to a groundbreaking physics experiment based on electron emission.

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Cite This Study

Jean-Yves Duboz (Wed,) studied this question.

synapsesocial.com/papers/6a0d50bdf03e14405aa9ccdb https://doi.org/https://doi.org/10.1051/photon/202613724/pdf