Toward smart and ultra‐efficient solid‐state lighting

JY Tsao, MH Crawford, ME Coltrin… - Advanced Optical …, 2014 - Wiley Online Library
Solid‐state lighting has made tremendous progress this past decade, with the potential to
make much more progress over the coming decade. In this article, the current status of solid …

The efficiency challenge of nitride light‐emitting diodes for lighting

C Weisbuch, M Piccardo, L Martinelli… - … status solidi (a), 2015 - Wiley Online Library
We discuss the challenges of light‐emitting diodes in view of their application to solid‐state
lighting. The requirement is to at least displace the quite efficient fluorescent, sodium, and …

Analysis of internal quantum efficiency and current injection efficiency in III-nitride light-emitting diodes

H Zhao, G Liu, J Zhang, RA Arif… - Journal of Display …, 2013 - ieeexplore.ieee.org
Current injection efficiency and internal quantum efficiency (IQE) in InGaN quantum well
(QW) based light emitting diodes (LEDs) are investigated. The analysis is based on current …

On the search for efficient solid state light emitters: Past, present, future

C Weisbuch - ECS Journal of Solid State Science and …, 2019 - iopscience.iop.org
The emergence of efficient solid state light emitters was the result of the remarkable
breakthroughs in the late 1980s and early 1990s in GaN-based materials and light emitting …

Efficiency-droop suppression by using large-bandgap AlGaInN thin barrier layers in InGaN quantum-well light-emitting diodes

G Liu, J Zhang, CK Tan, N Tansu - IEEE Photonics Journal, 2013 - ieeexplore.ieee.org
The electrical and optical characteristics of InGaN quantum-well light-emitting diodes with
large-bandgap AlGaInN thin barriers were analyzed with the consideration of carrier …

A brief review of III-nitride UV emitter technologies and their applications

M Kneissl - III-Nitride Ultraviolet Emitters: Technology and …, 2016 - Springer
This chapter provides a brief introduction to group III-nitride ultraviolet light emitting diode
(LED) technologies and an overview of a number of key application areas for UV-LEDs. It …

Characteristics and applications of micro-pixelated GaN-based light emitting diodes on Si substrates

P Tian, JJD McKendry, Z Gong, S Zhang… - Journal of Applied …, 2014 - pubs.aip.org
Using a GaN-based light emitting diode (LED) epitaxial structure grown on Si, individually
addressable 10× 10 micro-pixelated LED (μLED) arrays with pixel diameters of 45 μm and …

Determination of internal quantum efficiency in GaInN-based light-emitting diode under electrical injection: carrier recombination dynamics analysis

DP Han, K Yamamoto, S Ishimoto, M Iwaya… - Applied Physics …, 2019 - iopscience.iop.org
We proposed a method to determine the internal quantum efficiency (IQE) of GaInN-based
light-emitting diode (LED). For the accurate determination thereof, we carefully reviewed a …

Effects of multi-factors on the junction temperature of LED automotive lamp chips

Y **ao, Y Zhao, Y Yang, S Gao, S Han… - Microelectronics Reliability, 2022 - Elsevier
LED automotive lamps have become the mainstream automotive lighting equipment due to
their own characteristics of energy conservation and environmental protection. However, at …

Advantages of blue LEDs with graded-composition AlGaN/GaN superlattice EBL

BC Lin, KJ Chen, HV Han, YP Lan… - IEEE Photonics …, 2013 - ieeexplore.ieee.org
InGaN/GaN light-emitting diodes (LEDs) with graded-composition AlGaN/GaN superlattice
(SL) electron blocking layer (EBL) were designed and grown by metal-organic chemical …