LED Efficiency articles & resources on Made-in-China.com

University of Michigan Predicts Incorporating Boron in Ingan Increases LED Efficiency at High Power

Nov 24, 2017

Despite revolutionizing illumination, even top-of-the-line nitride LEDs are far from their maximum efficiency when operating at the high power needed for lighting applications. Logan Williams and Emmanouil Kioupakis at the University of ...

Tags: LEDs, LED Efficiency

Seren Photonics and Bluglass Collaboration Results in Successful Semipolar GaN Template Process Transfer

Jun 8, 2017

Seren Photonics Limited, based near Cardiff, Wales, UK, a developer of semipolar gallium nitride and BluGlass Limited of Silverwater, Australia, a developer of semiconductor manufacturing process and equipment have announced the completion ...

Tags: Seren Photonics, LED

BluGlass Installs Upgraded RPCVD Chamber to Improve Uniformity of Low-Temperature Process

Sep 6, 2016

BluGlass Ltd of Silverwater, Australia – which was spun off from the III-nitride department of Macquarie University in 2005 to develop a low-temperature process using remote plasma chemical vapor deposition (RPCVD) to grow materials ...

Tags: BluGlass, RPCVDM, InGaN

The Light Output Power for The Sc-Qb LED Was 47% Higher Than for a Thin QB Device

Nov 19, 2014

Researchers 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

Epistar Have Signed a Multi-Year Extension of Their Existing Collaborative Program

Apr 23, 2014

LED chipmaker Epistar Corp of Hsinchu, Taiwan and Intermolecular Inc of San Jose, CA, USA have signed a multi-year extension of their existing collaborative development program (CDP) and royalty-bearing IP licensing agreement of April 2013 ...

Tags: Intermolecular Epistar LEDs, LED

Nanostructures Half The Width of a DNA Strand Could Enhance The Efficiency of LEDs

Apr 15, 2014

The US Department of Energy's National Energy Research Scientific Computing Center (NERSC) has conducted simulations showing that nanostructures half the width of a DNA strand could enhance the efficiency of LEDs. In particular, efficiency ...

Tags: InN Green LEDs, LED

New Require for LED Market

Oct 8, 2013

As a modern culture, we crave artificial white lights -- the brighter the better, and ideally using less energy than ever before. To meet the ever-escalating demand for more lighting in more places and to improve the bulbs used in sports ...

Tags: Laser Based Lighting, Lighting

Hong Kong Polyu Developes Pmw LED Driver to Make LED Lamps Be Brighter and More Efficient

Sep 10, 2013

Hong Kong Polytechnic University’s (PolyU) Department of Electronic and Information Engineering has recently developed a high efficiency Pulse-Width Modulation (PWM) LED driver that will allow LED lamps to become brighter and more ...

Tags: LED Efficiency, PMW Technology

Electron Leakage Causes Efficiency Drop

Aug 6, 2013

Electron leakage causes efficiency drop, or what's known as droop, when LEDs are operated at higher drive currents according to a research group at Rensselaer Polytechnic Institute. For more than a decade, the LED industry has sought to ...

Tags: LED Droop, LED, Lights, Lighting

The Graphene and Nitride Semiconductor Structures Were Processed in Two Separate Branches

Jul 17, 2013

The Chinese Academy of Sciences’ Institute of Semiconductors and Tsinghua University claim “the first proof-of-concept experimental demonstration of the current-driven pyramid array InGaN/GaN core-shell LEDs interconnected with ...

Tags: Pyramid-array LEDs, Graphene Electrodes, GaN, MOCVD

Ernest Revealed Manufacturing R&D Projects to Support Energy-Efficient Lighting Products

Jun 5, 2013

U.S. energy secretary Ernest Moniz revealed five manufacturing R&D projects to support energy-efficient lighting products. The Energy Department’s $10 million investment is matched dollar for dollar by private sector funding. The ...

Tags: Cree, Eaton, Philips, OLEDWorks

DOE has selected five projects for SSL to receive the fourth round of funding

Jun 5, 2013

As a response to the (solid-state lighting) SSL Manufacturing R&D funding opportunity announcement made in December, the US. Department of Energy (DOE) has competitively selected five projects for SSL to receive the fourth round of funding. ...

Tags: lighting, LED lighting

a Contentious Controversy Surrounds The High Intensity of InGaN LEDs

May 28, 2013

A contentious controversy surrounds the high intensity of indium gallium nitride (InGaN) LEDs, with experts split on whether or not indium-rich clusters within the material provide their remarkable efficiency. Now, researchers from the ...

Tags: InGaN LEDs, Electronics

Reduced The Ingan Samples to a Thickness of Just 20 Nanometers to Prepare Them

May 24, 2013

Kim Kisslinger, seen here with a focused-ion beam instrument, reduced the InGaN samples to a thickness of just 20 nanometers to prepare them for electron microscopy. From the high-resolution glow of flat screen televisions to light bulbs ...

Tags: Atomic-Scale, LED

The Following Column Is Part of Modern's Other Voices Column

May 16, 2013

Editor’s Note: The following column By Mike Feinstein, vice president, sales and marketing, Digital Lumens, is part of Modern’s Other Voices column. The series features ideas, opinions and insights from end users, analysts, ...

Tags: LED Efficiency Opportunity, Processing Machinery

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