[PDF] Top 20 Performance of GaN-based light-emitting diodes fabricated using GaN epilayers grown on silicon substrates
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Performance of GaN-based light-emitting diodes fabricated using GaN epilayers grown on silicon substrates
... 5. Light output power and external quantum efficiency as a function of injection current for the LS-LED, DT-LED, and ...mA) of LS-LED, DT-LED, and ...that of DT-LED and LS-LED in almost full ... See full document
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GaN-based light-emitting diodes prepared on vicinal sapphire substrates
... spectra of the two LEDs grown on the 18 tilted sapphire substrate (18 LED sample) and the untilted sapphire substrate (08 LED sample), ...mation of InGaN QDs in the 08 LED ...position ... See full document
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InGaN-based light-emitting diodes grown and fabricated on nanopatterned Si substrates
... technique on a 2 ...voltage of 120 ...distributed on the Si ...distributed on the entire 2 in. Si substrate with an average nanopore diam- eter of ⬃150 nm, interpore distance of ... See full document
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Light Extraction Enhancement of GaN-Based Light-Emitting Diodes Using Crown-Shaped Patterned Sapphire Substrates
... characteristics of the three fabricated ...understanding of the output power improvement, a Monte Carlo ray-tracing simulation was used to calculate the LEE of three LEDs ...simplicity ... See full document
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Enhanced Performance of GaN-based Ultraviolet Light Emitting Diodes by Photon Recycling Using Graphene Quantum Dots
... introduction of GQDs on LEDs also produced a change in light ...the light out- put from LEDs without and with GQDs ...function of the injection current. Apparently, the light ... See full document
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Material characteristics of InGaN based light emitting diodes grown on porous Si substrates
... advantages of low cost, large scale availability, and good thermal/electrical conductivities [1,2], Si substrates are promising for growing InGaN based light emitting diodes ... See full document
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Growth of semi-polar GaN-based light-emitting diodes grown on an patterned Si substrate
... decades, GaN-based photoelectronic devices have drawn tremendous attention due to their potential to replace incandescent lamps and greatly promote energy conversion efficiency 1) ...Most of the ... See full document
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Reduction of Efficiency Droop in Semipolar (1(1)over-bar01) InGaN/GaN Light Emitting Diodes Grown on Patterned Silicon Substrates
... Department of Electronics, Nagoya University, Nagoya 464-8603, Japan 5 Department of Electrical and Electronic Engineering, Aichi Institute of Technology, Toyota, Aichi 470-0392, Japan Received ... See full document
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Small GaN-based light-emitting diodes with a single electrode pad fabricated on a sapphire substrate
... wide-bandgap GaN-based light-emitting diodes (LEDs) have attracted significant attention in many different applications ...wide-bandgap GaN-based materials have been used ... See full document
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Performance Enhancement of a-Plane Light-Emitting Diodes Using InGaN/GaN Superlattices
... temperature GaN nucleation layer was grown by low pressure metal-organic chemical vapor deposition (MOCVD) on r-plane sapphire substrates, followed by the growth of ...temperature ... See full document
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Enhancement Performance of GaN-based Light-emitting Diodes by Modified Patterned Sapphire Surface
... Sino-American Silicon Products Inc., Hsinchu, Taiwan, R.O.C The PSSs were fabricated by wet ...layer on the top platform after wet etching. The output power of the platform-PSS LED and ... See full document
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Study of GaN light-emitting diodes fabricated by laser lift-off technique
... INTRODUCTION GaN-based wide-band-gap semiconductors are widely used for optoelectronic devices, such as blue light-emitting diodes 共LEDs兲 and laser diodes ...were grown ... See full document
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High brightness GaN-based light-emitting diodes
... sapphire substrates of etching times of 0, 30, 60, 90, and 120 s were employed into this ...All of these CWE-PSSs were then grown and pro- cessed at the same time, eliminating any ... See full document
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Improved performance of GaN based light emitting diodes with ex-situ sputtered AlN nucleation layers
... lighting based on GaN materials has evolved to be the most important general light- ing technology recently because of its high conversion e fficiency, rigid structure and long ...one ... See full document
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Optical and electrical properties of GaN-based light emitting diodes grown on micro and nano-scale patterned Si substrate
... growth on nano-porous ...terms of device performance, NPLEDs exhibits smaller electroluminescence (EL) peak wavelength blue shift, lower reverse leakage current and decreases efficiency droop ... See full document
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Nitride-Based Blue Light-Emitting Diodes Grown With InN/GaN Matrix Quantum Wells
... Nitride-based light-emitting diodes (LEDs) grown with a structure of InN/GaN matrix quantum-wells (QWs) using metal–organic chemical vapor deposition are ... See full document
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Reduction of Efficiency Droop in InGaN Light-Emitting Diode Grown on Self-Separated Freestanding GaN Substrates
... stressed substrates [7], or InGaN barriers for active region [8], ...density on GaN bulk substrates can influence the magnitude of efficiency droop ...settlement on which one ... See full document
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GaN-based Indium-tin-oxide light emitting diodes with nanostructured silicon upper contacts
... n-type GaN layers to serve as the n-type ...fabrication of 300 mm 300 mm blue InGaN/GaN LED ...characteristics of these fabricated LED lamps were then evaluated by injecting different ... See full document
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Optical and Electrical Properties of GaN-Based Light Emitting Diodes Grown on Micro- and Nano-Scale Patterned Si Substrate
... istics of the GaN-based light emitting diodes (LEDs) grown on micro- and nano-scale patterned silicon substrate (MPLEDs and ...suppression of ... See full document
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Improving Performance of InGaN/GaN Light-Emitting Diodes and GaAs Solar Cells Using Luminescent Gold Nanoclusters
... were grown by MOCVD on p- type Ge ...first grown at the substrate, followed by a 3 μm thick p- type GaAs base layer, 100 nm n-type emitter layer, 60 nm AlInP window layer, and 250 nm GaAs contact ... See full document
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