Light emitting diodes reliability review
The increasing demand for light emitting diodes (LEDs) has been driven by a number of
application categories, including display backlighting, communications, medical services …
application categories, including display backlighting, communications, medical services …
A critical review on the junction temperature measurement of light emitting diodes
In the new age of illumination, light emitting diodes (LEDs) have been proven to be the most
efficient alternative to conventional light sources. Yet, in comparison to other lighting …
efficient alternative to conventional light sources. Yet, in comparison to other lighting …
Comparative study of lighting quality and power quality for LED and HPS luminaires in a roadway lighting system
S Yoomak, C Jettanasen, A Ngaopitakkul… - Energy and …, 2018 - Elsevier
Roadway lighting was one of the earliest applications for electric lighting technologies. Well-
designed roadway lighting offers many benefits and aids the visual tasks of drivers and …
designed roadway lighting offers many benefits and aids the visual tasks of drivers and …
Lifetime modelling issues of power light emitting diodes
The advantages of light emitting diodes (LEDs) over previous light sources and their
continuous spread in lighting applications is now indisputable. Still, proper modelling of their …
continuous spread in lighting applications is now indisputable. Still, proper modelling of their …
[HTML][HTML] Ground-facing radiative cooling for high power LED lights
Abstract Objects on Earth facing the sky have the ability to emit thermal energy into the
universe through the transparent atmosphere. This process can enable electricity-free …
universe through the transparent atmosphere. This process can enable electricity-free …
Temperature sensing characteristics and long term stability of power LEDs used for voltage vs. Junction temperature measurements and related procedure
A detailed study about the direct measurement of junction temperature Ti of off-the-shelf
power light emitting diodes (LED) is presented. The linear dependence on temperature of …
power light emitting diodes (LED) is presented. The linear dependence on temperature of …
Failure mechanisms and reliability issues in LEDs
MG Pecht, MH Chang - Solid State Lighting Reliability: Components to …, 2012 - Springer
The construction of LEDs is somewhat similar to microelectronics, but there are unique
functional requirements, materials, and interfaces in LEDs that make their failure modes and …
functional requirements, materials, and interfaces in LEDs that make their failure modes and …
Thermal testing of LEDs
G Farkas, A Poppe - Thermal Management for LED Applications, 2014 - Springer
In this chapter, after a generic discussion of thermal testing techniques used to characterize
packaged semiconductor devices; the latest practical test methods widespread in thermal …
packaged semiconductor devices; the latest practical test methods widespread in thermal …
Self-configurable current-mirror circuit with short-circuit and open-circuit fault tolerance for balancing parallel light-emitting diode (LED) string currents
Current imbalance among parallel light-emitting diode (LED) strings could put excessive
current and thermal stress on some of the LEDs in the systems, resulting in reduction in …
current and thermal stress on some of the LEDs in the systems, resulting in reduction in …
Influence of injection current and ambient temperature on intensity and wavelength of low-power SMD LED
Low power surface-mounted (SMD) LEDs are paid much attention in research and
development due to their portability and miniaturization. Optical characteristics of SMD LEDs …
development due to their portability and miniaturization. Optical characteristics of SMD LEDs …