A novel lifetime prediction for integrated LED lamps by electronic-thermal simulation

B Sun, X Fan, H Ye, J Fan, C Qian, W van Driel… - Reliability Engineering & …, 2017 - Elsevier
In this paper, an integrated LED lamp with an electrolytic capacitor-free driver is considered
to study the coupling effects of both LED and driver's degradations on lamp's lifetime. An …

Two-phase cooling of light emitting diode for higher light output and increased efficiency

H Ye, M Mihailovic, CKY Wong, HW Van Zeijl… - Applied Thermal …, 2013 - Elsevier
High Power Light Emitting Diode (HP LED) is one of the promising candidates for future
lighting systems with efficient energy consumption. However, around 70% of the input power …

[图书][B] LED Packaging Technologies: Design, Manufacture, and Applications

L Annaniah, MSM Saheed, R Jose - 2023 - books.google.com
LED Packaging Technologies Up-to-date practitioner's guide on LED packaging
technologies, with application examples from relevant industries, historical insight, and …

Orientation effects on conjugate natural convection heat transfer from an LED bulb: A numerical study

BA Biradar, S Rath, SK Dash - International Journal of Thermal Sciences, 2021 - Elsevier
Natural convection is a widely used cooling technique in LED bulbs. About 75–85% of input
power to an LED package is being wasted as heat. Along with the LED packages, a notable …

Thermal performance of a PCB channel heat sink for LED light bulbs

D Jang, SJ Park, KS Lee - International Journal of Heat and Mass Transfer, 2015 - Elsevier
In this study, the thermal performance of the printed circuit board (PCB) as a heat sink for the
light-emitting diode (LED) bulb is analyzed. Cooling air is drawn through the bottom inlet of a …

Thermal analysis of LED lamps for optimal driver integration

X Perpina, RJ Werkhoven, M Vellvehi… - … on Power Electronics, 2014 - ieeexplore.ieee.org
This paper studies the thermal influence of a light-emitting diode (LED) driver on a retrofit
LED lamp, also reporting on a procedure for its thermal characterization and multiscale …

替代100 W 白炽灯的新型12 W LED 球泡灯的散热性能研究

刘娇, 刘娟芳, 陈清华, 何凡 - Chinese Journal of Luminescence, 2014 - opticsjournal.net
摘要基于冷喷涂技术, 提出了一种替代传统100 W 白炽灯的新型12 W LED 球泡灯,
其散热器由纯铝板裁剪和弯折而成. 在分析铜基板内部结构基础上, 借助ANSYS …

[PDF][PDF] Thermal characterization and lifetime prediction of LED boards for SSL lamp

J Formanek, J Jakovenko - Radioengineering, 2013 - academia.edu
This work presents a detailed 3-D thermo-mechanical modeling of two LED board
technologies to compare their performance. LED boards are considered to be used in high …

Effect of potting materials on LED bulb's driver temperature

N Nguyen, VQ Dinh, T Nguyen-Duc, QT Ta… - Microelectronics …, 2018 - Elsevier
This work presents a simple and effective technique to decrease the driver temperature by
filling the potting materials into space between driver and the interior wall of a LED bulb's …

[PDF][PDF] Measurement of colour coordinates of LEDs used in the automotive exterior lighting

J Latal, P Hanulak, J Kolar, Z Wilcek… - Int. J. Elect. and …, 2021 - academia.edu
Article deals with dichromatic white light-emitting diode (LED's) color coordinates used in
automotive exterior lighting. This article also describes basic white automotive LED …