[PDF] Top 20 Improved Output Power of Nitride-Based Light-Emitting Diodes With Convex-Patterned Sapphire Substrates
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Improved Output Power of Nitride-Based Light-Emitting Diodes With Convex-Patterned Sapphire Substrates
... high output power is as important as the good I –V ...purpose of the LEDs using patterned ...the light output powers of the LEDs grown on CSS, BPSS, HPSS and CPSS as ... See full document
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Output power enhancements of nitride-based light-emitting diodes with inverted pyramid sidewalls structure
... presents nitride-based light-emitting diodes (LEDs) with inverted pyramid sidewalls by chem- ical wet etching nitride epitaxial layers and investigates the chemical wet ... 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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Light Output Enhancement of GaN-Based Light-Emitting Diodes by Optimizing SiO2 Nanorod-Array Depth Patterned Sapphire Substrate
... NRAs of different depths were fabricated by self- assembled Ni clustering, followed by ...on sapphire with SiO 2 NRAs demonstrated increases in IQE and LEE when compared with a conventional LED ... See full document
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Improved Light Output Power of GaN-Based Light-Emitting Diodes Using Double Photonic Quasi-Crystal Patterns
... enhancement of light extraction from GaN- based light-emitting diodes (LEDs) with a double 12-fold photonic quasi-crystal (PQC) structure using nanoimprint lithography is ... See full document
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Improved crystal quality and performance of GaN-based light-emitting diodes by decreasing the slanted angle of patterned sapphire
... array patterned sapphire substrates 共PSSs兲 with various slanted angles were fabricated by wet ...surfaces of PSS. The crystal quality and performance of PSS-LEDs improved ... See full document
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Nitride-based light emitting diodes with indium tin oxide electrode patterned by imprint lithography
... efficiency of the textured ...scatter light more ...istics of the fabricated ...LED patterned with 1.75 m holes, and ITO LED patterned with ...properties of the ... See full document
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Enhanced light output from a nitride-based power chip of green light-emitting diodes with nano-rough surface using nanoimprint lithography
... depth of p-GaN reached 75 nm after an etching time of 15 ...LED with nano-rough p-GaN surface using NIL were fabricated by the following standard processes with a mesa area of 950 × 950 ... See full document
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Enhancement Performance of GaN-based Light-emitting Diodes by Modified Patterned Sapphire Surface
... Compared with the platform-PSS, the modified-PSS was still capped with a layer on the top platform after wet ...The output power of the platform-PSS LED and modified-PSS are ...current ... See full document
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Enhancing the output power of GaN-based LEDs grown on wet-etched patterned sapphire substrates
... product of internal quantum efficiency and light extraction efficiency; and it is also well accepted that the GaN-based LED grown on the pattern sapphire substrate gets a considerable im- ... See full document
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Enhanced Light Output Power and Growth Mechanism of GaN-Based Light-Emitting Diodes Grown on Cone-Shaped SiO2 Patterned Template
... influence of these three kinds of substrate (planar sapphire substrate, CPSS, and cone-shaped SiO pat- terned template) on the light extraction efficiency (LEE) of LEDs, a Monte Carlo ... See full document
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Crystal Quality and Light Output Power of GaN-Based LEDs Grown on Concave Patterned Sapphire Substrate
... and light output power of GaN-based light-emitting diodes (LEDs) grown on concave patterned sapphire substrate (CPSS) were ...quality of ... See full document
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Enhanced Extraction and Efficiency of Blue Light-Emitting Diodes Prepared Using Two-Step-Etched Patterned Sapphire Substrates
... source of nonradiative recombination ...because of a phonon ...earlier output decay. After packing the samples with transistor-outline metal can package and inserting them into an in- ... See full document
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Investigation of GaN-based light emitting diodes with nano-hole patterned sapphire substrate (NHPSS) by nano-imprint lithography
... (GaN)-based light-emitting diodes (LEDs) with nano-hole patterned sap- phire (NHPSS) by nano-imprint lithography are fabricated and ...current of 20 mA, the LED ... See full document
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Performance enhancement of GaN-based flip-chip ultraviolet light-emitting diodes with a RPD AlN nucleation layer on patterned sapphire substrate
... mesa with an area 300 × 300 μm 2 was defined by using standard photolithography and dry ...LED output power since no bonding pads or wires exist on the top of the devices so that photons could ... See full document
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Study of GaN-based light-emitting diodes grown on chemical wet-etching-patterned sapphire substrate with V-shaped pits roughening surfaces
... enhancement of gallium nitride (GaN)-based light-emitting diode (LED) grown on chemical wet-etching-patterned sapphire substrate (CWE-PSS) with V-Shaped pit ... See full document
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Improved performance of GaN based light emitting diodes with ex-situ sputtered AlN nucleation layers
... properties of GaN based light emitting diodes (LEDs) with ex-situ sputtered physical vapor deposition (PVD) aluminum nitride (AlN) nucleation layers were ...terms ... See full document
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Improvement in light-output efficiency of near-ultraviolet InGaN-GaN LEDs fabricated on stripe patterned sapphire substrates
... ultraviolet light-emitting diodes (LEDs) were fabricated on a patterned sapphire substrate (PSS) with parallel stripe along the 1 ¯1 0 0 sapphire direction by using ... See full document
4
Nanoscale epitaxial lateral overgrowth of GaN-based light-emitting diodes on a SiO(2) nanorod-array patterned sapphire template
... GaN-based light-emitting diodes 共LEDs兲 in the UV/blue/green wavelength range have been under immense demand for a variety of applications, includ- ing large full-color displays, ... See full document
4
Effect of Top-Region Area of Flat-Top Pyramid Patterned Sapphire Substrate on the Optoelectronic Performance of GaN-Based Light-Emitting Diodes
... quality of GaN epilayer and the light extraction of LED can be improved via the use of FTP-PSS, especially for the ...lot of attention for many optoelectronic applications ... See full document
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