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LED structures
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LED Lighting – The Most Rebellious Term in Lighting Industry Today
Mar 22, 2019Remember the stories during childhood that you heard from granny about candles and lamps used for lighting purpose. Your studies must have been executed with the help of electricity, tube lights, bulbs, etc. mostly. Now in the 21st century, ...
Tags: led bulb light, led floodlight, led lighting, led panel, led bulb
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LED Technology Breakthroughs in 2016
Dec 31, 2016As 2016 comes to an end, there were many exciting and surprising technology breakthroughs, based on statistics complied by LEDinside there were at least 10 major technology advancements this year. American researchers make droop free LEDs ...
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Reducing Misfit Dislocations in Green Semi-Polar Light-Emitting Diodes
Aug 26, 2016University of California Santa Barbara (UCSB) in the USA has used limited-area epitaxy (LAE) on semi-polar gallium nitride (GaN) substrates to reduce misfit dislocation (MD) densities in multiple quantum well (MQW) green light-emitting ...
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Gallium Nitride Nano-Sized LEDs
Apr 11, 2016In 2014, the Nobel Prize in physics was awarded for the discovery of the gallium-nitride-based blue-light LED and its use for new, efficient LED-based white lamps. The development efforts in this field, however, do not stop there. The ...
Tags: LED, Nobel Prize
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Demonstration of Novel High-Efficiency Blue LEDs on Silicon Substrates
Apr 6, 2016Shigeya Kimura, Hisashi Yoshida, Toshihide Ito, Aoi Okada, Kenjiro Uesugi and Shinya Nunoue Metal organic chemical vapor deposition is used to grow aluminum gallium nitride interlayers within indium gallium nitride/gallium nitride ...
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Anvil and Cambridge Centre for GaN Grown Cubic GaN on 3c-Sic on Silicon Wafers
Dec 12, 2014Anvil Semiconductors Ltd of Coventry, UK and the Cambridge Centre for GaN (part of University of Cambridge’s Department of Materials Science and Metallurgy) have grown cubic GaN on 3C-SiC on silicon wafers by metal-organic chemical ...
Tags: green LEDs, silicon wafers, Electrical
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The Light Output Power for The Sc-Qb LED Was 47% Higher Than for a Thin QB Device
Nov 19, 2014Researchers based in China have found “remarkably reduced efficiency droop” from staircase (SC) thin indium gallium nitride (InGaN) quantum barrier (QB) light-emitting diodes (LEDs) [Kun Zhou et al, Appl. Phys. Lett., vol105, ...
Tags: High Current, remarkably reduced efficiency droop, Electrical
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Researchers Improves The Performance of with Ingan and LEDs
Nov 6, 2014Researchers based in Singapore and Turkey have been developing a hole accelerator structure with a view to improving the performance of indium gallium nitride (InGaN) semiconductor light-emitting diodes (LEDs) [Zi-Hui Zhang et al, Appl. ...
Tags: Nitride LEDs, InGaN
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Anvil Semiconductors Has Been Awarded a Grant by The TSB
Apr 30, 2014Anvil Semiconductors Ltd of Coventry, UK has been awarded a grant by the UK's Technology Strategy Board (TSB) to evaluate the feasibility of using its unique stress relief technology to enable the production of low-cost, high-brightness ...
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Sun Yat-sen University in China has improved the wall-plug efficiency
Mar 31, 2014Sun Yat-sen University in China has improved the wall-plug efficiency of indium gallium nitride (InGaN) light-emitting diodes (LEDs) grown on silicon by incorporating a distributed Bragg reflector (DBR) [Yibin Yang et al, Appl. Phys. ...
Tags: InGaN LEDs, Silicon, semiconductor
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Samsung Introduced a New Lineup of Flip-Chip LED Packages and Modules
Mar 28, 2014South Korea’s Samsung Electronics Co Ltd has introduced a new lineup of flip-chip LED packages and modules offering enhanced design flexibility and a high degree of reliability, for use in LED lighting such as LED bulbs, MR/PAR and ...
Tags: Samsung, LEDs, LED product
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Researchers Have Used Wafer Thinning to Increase The Efficiency
Jan 3, 2014Researchers based in Korea and Egypt have used wafer thinning to increase the efficiency of nitride semiconductor green light-emitting diodes (LEDs) [Wael Z. Tawfik et al, Appl. Phys. Express, vol6, p122103, 2013]. The contributing ...
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Tottori University Has Produced Blue-Green Light-Emitting Diode Structures
Nov 26, 2013Japan’s Tottori University has produced blue-green light-emitting diode (LED) structures using zinc sulfide telluride (ZnSTe) material [Kunio Ichino et al, Appl. Phys. Express, vol6, p112102, 2013]. The researchers see their work as ...
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LG Used AlGaN Superlattice Structures
Oct 29, 2013LG Electronics Materials and Components Laboratory in South Korea has used aluminium gallium nitride (AlGaN) superlattice structures (SLs) to improve lateral current spreading from the n-side of nitride semiconductor light-emitting diodes ...
Tags: Nitride LEDs, Light
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Researchers in Taiwan Have Used Nanopyramid Nitride Semiconductor Structures
Oct 9, 2013Researchers in Taiwan have used nanopyramid nitride semiconductor structures to explore long-wavelength green, olivine and amber light-emitting diode (LED) structures [Shih-Pang Chang, Optics Express, Vol. 21, p23030, 2013]. The team was ...
Tags: Nitride LEDs, Electronics
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