Characterization of end-of-life LED lamps for the recovery of precious metals and rare earth elements
RZ Rebello, MTWDC Lima, LH Yamane… - Resources, Conservation …, 2020 - Elsevier
Abstract LED (Light Emitting Diode) lamps have been replacing conventional light bulbs
(fluorescent and incandescent) due to their lifetime, luminescence power, and energy …
(fluorescent and incandescent) due to their lifetime, luminescence power, and energy …
Water-Stable 1D hybrid tin (II) iodide emits broad light with 36% photoluminescence quantum efficiency
The optical and light emission properties of tin and lead halide perovskites are remarkable
because of the robust room-temperature (RT) performance, broad wavelength tunability …
because of the robust room-temperature (RT) performance, broad wavelength tunability …
Relationships between junction temperature, electroluminescence spectrum and ageing of light-emitting diodes
We have developed spectral models describing the electroluminescence spectra of AlGaInP
and InGaN light-emitting diodes (LEDs) consisting of the Maxwell–Boltzmann distribution …
and InGaN light-emitting diodes (LEDs) consisting of the Maxwell–Boltzmann distribution …
[HTML][HTML] Life cycle assessment of LED luminaire and impact on lighting installation–A case study
In the presented study the Life Cycle Assessment of a LED suspended luminaire
manufactured in Romania was performed, with the use of One Click LCA software. The …
manufactured in Romania was performed, with the use of One Click LCA software. The …
Degradation mechanisms of InGaN visible LEDs and AlGaN UV LEDs
In this chapter we discuss the main open issues for GaN-based light-emitting diode
reliability. After a comprehensive review of the possible deep levels present in these …
reliability. After a comprehensive review of the possible deep levels present in these …
Lumen degradation analysis of LED lamps based on the subsystem isolation method
HL Ke, J Hao, JH Tu, PX Miao, CQ Wang, JZ Cui… - Applied Optics, 2018 - opg.optica.org
The lumen degradation of LED lamps undergoing an accelerated aging test is investigated.
The entire LED lamp is divided into three subsystems, namely, driver, lampshade, and LED …
The entire LED lamp is divided into three subsystems, namely, driver, lampshade, and LED …
Impact factors in LED lamp measurement reproducibility
E Gutierrez-Ballesteros… - Lighting Research …, 2021 - journals.sagepub.com
The aim of this paper is to study the reproducibility of measurements in LED lamps. For
research purposes as well as for standardized tests, there is a need for measurements to be …
research purposes as well as for standardized tests, there is a need for measurements to be …
Simulation and evaluation of the peak temperature in LED light bulb heatsink
L Sun, J Zhu, H Wong - Microelectronics Reliability, 2016 - Elsevier
Heat dissipation in LED light bulb has been one of the key factors in affecting the efficiency
and lifetime of the LED. The commercially available high-power LED light bulbs often come …
and lifetime of the LED. The commercially available high-power LED light bulbs often come …
The fast neutron irradiation influence on the AlGaAs IR-LEDs reliability
AV Gradoboev, KN Orlova, IA Asanov… - Microelectronics …, 2016 - Elsevier
This paper represents the results of investigation of preliminary fast neutron irradiation
influence on reliability of IR-LEDs manufactured on the basis of AlGaAs heterostructures. It is …
influence on reliability of IR-LEDs manufactured on the basis of AlGaAs heterostructures. It is …
Multi-Layer Ceramic Capacitors in Lighting Equipment: Presence and Characterisation of Rare Earth Elements and Precious Metals
The need to reduce energy consumption in buildings, the emergence of light-emitting diode
(LED) lamps in lighting around 2010, their long lifetime, and the 2025 target to use only LED …
(LED) lamps in lighting around 2010, their long lifetime, and the 2025 target to use only LED …