[PDF] Top 20 Enhancement of light output power of InGaN/GaN multiple quantum well light-emitting diodes by titanium dioxide texturing

... apply. Enhancement of Light Output Power of InGaN/GaN Multiple Quantum Well Light-Emitting Diodes by ... See full document

... emission power densities in the active regions of all devices were set identical in the simu- ...factor by which the light output power of various microhole array LEDs ... See full document

... as light-emitting diodes (LEDs) and laser ...brightness GaN-based LEDs have become a strong candidate for applications such as displays, traffic signals, backlight for cell phones, exterior ... See full document

... pairs of HfO SiO multiple dielectric layers were deposited on the GaN ...thickness of HfO and SiO layer was 53 nm and 69 nm, and the refractive index at 390 nm wavelength was ...The ... See full document

... the enhancement of the light output power of InGaN–GaN multiple quantum-well light-emitting diodes (LEDs) that are grown ... See full document

... Higher light output intensity and wider polar radiation pattern of InGaN/GaN MQW LEDs with different nanoscaled TiO 2 textured density films have been ...The light output ... See full document

... 12 By the FDTD technique, it effectively provides for studying the propagation of light in a wide variety of photonic ...the light source of the ac- tive region, the point dipole ... See full document

... conclusion, InGaN/GaN LEDs with graded-thickness multiple quantum wells were investigated both experimen- tally and ...the well-thickness increases along 关0001兴 ...wider well ... See full document

... Experiments GaN-based LED samples were grown by metal-organic chemical vapor deposition (MOCVD) with a rotating-disk reactor (Emcore D75 TM ) on a c-axis sapphire (0001) substrate at a growth pressure ... See full document

... performances of multiple-quantum-well 共MQW兲 InGaN/GaN light-emitting diodes 共LEDs兲 were im- proved by using chlorine to treat the surface of ... See full document

... behaviors of InGaN / GaN multiple-quantum-well light-emitting diodes with varying quantum well thickness ...Institute of Photonics and ... See full document

... (GaN), multiple quantum well (MQW), light-emitting diode (LED), electron tunneling layer (ETL) ...Recently, GaN-based semiconductors have opened the way to the realization ... See full document

... densities of states of three InGaN/GaN-based light-emitting diodes with different emission wavelengths (violet, blue and green) operated at various currents were ... See full document

... Abstract: InGaN/GaN quantum well samples of various silicon doping conchtions, mcludmg doping layers and concen@ations, are compared in nano-structures and emission characterist[r] ... See full document

... percentage of carrier leakage would be reduced owing to carriers that effectively contribute toward radiative ...merit of an identical growth process to the conventional structures that makes commercial ... See full document

... Institute of Electro-Optical and Materials Science, National Formosa University, Yunlin 632, Taiwan b Institute of Mechanical and Electro-Mechanical Engineering, National Formosa University, Yunlin 632, ... See full document

... the quantum effi- ciency of InGaN/GaN LEDs decreases; this is the so-called “efficiency droop” phenomenon that has become crucial in high-power ...causes of efficiency droop ... See full document

... monolayer of 1μm diameter silica spheres is self-assembled on the GaN ...kind of photoresist ...n-type GaN etches more quickly than p-type ...caused by dry ICP ...diameters of ... See full document

... out of the active region, Auger recombination, and insufficient transport of holes have been identified as the most possible reasons for ...transport of holes might be the most important ...mulation ... See full document

... states by reducing higher energy ...states by emitting higher energy radia- ...range of 160–303 K, there is again redshift, which is commonly accepted to be due to nonradi- ative recombination ... See full document