Machine learning and digital twin driven diagnostics and prognostics of light‐emitting diodes
MS Ibrahim, J Fan, WKC Yung… - Laser & Photonics …, 2020 - Wiley Online Library
Light‐emitting diodes (LEDs) are among the key innovations that have revolutionized the
lighting industry, due to their versatility in applications, higher reliability, longer lifetime, and …
lighting industry, due to their versatility in applications, higher reliability, longer lifetime, and …
A review of prognostic techniques for high-power white LEDs
B Sun, X Jiang, KC Yung, J Fan… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
High-power white light-emitting diodes (LEDs) have attracted much attention due to their
versatility in a variety of applications and growing demand in markets such as general …
versatility in a variety of applications and growing demand in markets such as general …
Challenges and strategies to design phosphors for future white light emitting diodes
K Panigrahi, A Nag - The Journal of Physical Chemistry C, 2022 - ACS Publications
Phosphor-converted white-light-emitting diodes (pc-WLEDs) are a commercially successful
product for energy-efficient illumination. A large number of reported phosphors exhibit high …
product for energy-efficient illumination. A large number of reported phosphors exhibit high …
Degradation physics of high power LEDs in outdoor environment and the role of phosphor in the degradation process
A moisture-electrical–temperature (MET) test is proposed to evaluate the outdoor reliability
of high power blue LEDs, with and without phosphor, and to understand the degradation …
of high power blue LEDs, with and without phosphor, and to understand the degradation …
System level reliability assessment for high power light-emitting diode lamp based on a Bayesian network method
The increased system complexity in electronic products brings challenges in a system level
reliability assessment and lifetime estimation. Traditionally, the graph model-based reliability …
reliability assessment and lifetime estimation. Traditionally, the graph model-based reliability …
A new technique to equalize branch currents in multiarray LED lamps based on variable inductors
RA Pinto, JM Alonso, MS Perdigão… - IEEE Transactions …, 2015 - ieeexplore.ieee.org
In this paper, a new technique to equalize light-emitting diode (LED) currents in multiarray
LED lamps is proposed. The current through the LEDs is controlled by changing the …
LED lamps is proposed. The current through the LEDs is controlled by changing the …
A review of blue light emitting diodes for future solid state lighting and visible light communication applications
This paper reviews the rapid progress being made in the developments of organic/inorganic
blue light emitting diodes (LEDs). Blue LEDs exhibits outstanding electrical and optical …
blue light emitting diodes (LEDs). Blue LEDs exhibits outstanding electrical and optical …
Bayesian based lifetime prediction for high-power white LEDs
MS Ibrahim, Z Jing, WKC Yung, J Fan - Expert Systems with Applications, 2021 - Elsevier
The introduction of high-power white LEDs has revolutionized the lighting industry in the
past few decades due to the multiple benefits in terms of high reliability, environmental …
past few decades due to the multiple benefits in terms of high reliability, environmental …
Aging characteristics of blue InGaN micro-light emitting diodes at an extremely high current density of 3.5 kA cm− 2
P Tian, A Althumali, E Gu, IM Watson… - Semiconductor …, 2016 - iopscience.iop.org
The aging characteristics of blue InGaN micro-light emitting diodes (micro-LEDs) with
different sizes have been studied at an extremely high current density 3.5 kA cm− 2 for …
different sizes have been studied at an extremely high current density 3.5 kA cm− 2 for …
Long-term degradation mechanisms of mid-power LEDs for lighting applications
This paper reports the results of a reliability investigation performed on four different groups
of commercially available mid-power white LEDs. In order to determine the robustness of …
of commercially available mid-power white LEDs. In order to determine the robustness of …