Green gap in GaN-based light-emitting diodes: in perspective
Significant progress has been made in the advancement of light-emitting devices in both the
blue and the red parts of the emission spectrum. However, the quantum efficiency of green …
blue and the red parts of the emission spectrum. However, the quantum efficiency of green …
Approaches for high internal quantum efficiency green InGaN light-emitting diodes with large overlap quantum wells
Optimization of internal quantum efficiency (IQE) for InGaN quantum wells (QWs) light-
emitting diodes (LEDs) is investigated. Staggered InGaN QWs with large electron-hole …
emitting diodes (LEDs) is investigated. Staggered InGaN QWs with large electron-hole …
Perspective: Toward efficient GaN-based red light emitting diodes using europium doping
While InGaN/GaN blue and green light-emitting diodes (LEDs) are commercially available,
the search for an efficient red LED based on GaN is ongoing. The realization of this LED is …
the search for an efficient red LED based on GaN is ongoing. The realization of this LED is …
Analysis of internal quantum efficiency and current injection efficiency in III-nitride light-emitting diodes
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 …
(QW) based light emitting diodes (LEDs) are investigated. The analysis is based on current …
Current injection efficiency induced efficiency-droop in InGaN quantum well light-emitting diodes
Current injection efficiency and its impact on efficiency-droop in InGaN single quantum well
(QW) based light-emitting diodes (LEDs) are investigated. The analysis is based on current …
(QW) based light-emitting diodes (LEDs) are investigated. The analysis is based on current …
Light extraction efficiency and radiation patterns of III-nitride light-emitting diodes with colloidal microlens arrays with various aspect ratios
The fabrication studies of silica/polystyrene (PS) colloidal microlens arrays with various
aspect ratios were performed on the III-nitride light-emitting diodes (LEDs). The use of …
aspect ratios were performed on the III-nitride light-emitting diodes (LEDs). The use of …
Analysis of InGaN-delta-InN quantum wells for light-emitting diodes
The design of InGaN-delta-InN quantum wells (QWs) leads to significant redshift for nitride
active region with large electron-hole wave function overlap (Γ e _ hh) and spontaneous …
active region with large electron-hole wave function overlap (Γ e _ hh) and spontaneous …
III-nitride photonics
The progress in III-Nitride photonics research in 2009 is reviewed. The III-Nitride photonics
research is a very active field with many important applications in the areas of energy …
research is a very active field with many important applications in the areas of energy …
Optical gain and laser characteristics of InGaN quantum wells on ternary InGaN substrates
The optical gain and threshold characteristics of InGaN quantum wells (QWs) on ternary
InGaN substrate emitting in green and yellow spectral regimes are analyzed. By employing …
InGaN substrate emitting in green and yellow spectral regimes are analyzed. By employing …
Large optical gain AlGaN-delta-GaN quantum wells laser active regions in mid-and deep-ultraviolet spectral regimes
The gain characteristics of high Al-content AlGaN-delta-GaN quantum wells (QWs) are
investigated for mid-and deep-ultraviolet (UV) lasers. The insertion of an ultrathin GaN layer …
investigated for mid-and deep-ultraviolet (UV) lasers. The insertion of an ultrathin GaN layer …