Sapphire Substrate articles & resources on Made-in-China.com

Aluminium Nitride Schottky Barrier Diodes with Breakdown More Than 1kv

Aug 3, 2017

Arizona State University (ASU) in the USA claims the first demonstration of 1kV-class aluminium nitride (AlN) Schottky barrier diodes (SBDs) [Houqiang Fu et al, IEEE Electron Device Letters, 5 July 2017]. AlN has a wide bandgap of 6.2eV. ...

Tags: semiconductor, MOCVD

Lumileds Launches 1700lm Single-Die LED

Aug 2, 2017

LED maker Lumileds of San Jose, CA, USA has unveilled its highest-flux-density LED. Packaged in a compact 4.0mm x 4.0mm footprint, LUXEON V can be driven harder than other LEDs in its class, it is reckoned, due to new die and packaging ...

Tags: Lumileds, LED

Monocrystal Launches Ultra-Clean Sapphire Wafers for Microled Development

Apr 27, 2017

Monocrystal Inc of Stavropol, Russia, which manufactures large-diameter synthetic sapphire substrates and cores for LED, optical product and RFIC applications, has launched Ultra-Clean sapphire wafers, after applying its cleaning technology ...

Tags: microLED, LED

Indium Gallium Nitride Laser Diode Directly Integrated with Silicon

Sep 9, 2016

Researchers in China have achieved continuous wave (cw) lasing at room temperature for indium gallium nitride (InGaN) laser diodes (LDs) grown directly on silicon (Si) [Yi Sun et al, Nature Photonics, 10, p595, 2016]. The team from Suzhou ...

Tags: InGaN Laser diodes, cw, SINANO

Chemical Lift-off of Full-Wafer Gallium Nitride with Zinc Oxide Interlayer

Aug 10, 2016

Researchers based in UK, France, Australia and the USA have developed a chemical epitaxial lift-off (ELO) technique for full 2-inch-diameter gallium nitride (GaN) grown on sapphire and free-standing substrates [Akhil Rajan et al, J. Phys. ...

Tags: GaN, HVPE, free-standing wafers

Sodium Flux Route to Free-Standing Gallium Nitride Substrates

Jul 19, 2016

Osaka University in Japan has developed a liquid phase epitaxy (LPE) process for the growth of gallium nitride (GaN) in a sodium (Na) flux with a small amount of carbon (C) that, with the addition of lithium (Li) and gallium, can also be ...

Tags: Gallium Nitride Substrates, GaN crystal

Thin-Barrier Quantum Wells Increase Bandwidth of Cyan Light-Emitting Diode

Jun 21, 2016

Researchers based in Taiwan and USA have increased the modulation bandwidth of indium gallium nitride (InGaN) light-emitting diodes (LEDs) [Jin-Wei Shi, IEEE Electron Device Letters, published online 26 May 2016]. The enhanced bandwidth was ...

Tags: InGaN, MQW, LED

US DOE Investing $10.5m in Nine Solid-State Lighting R& D Projects

Jun 15, 2016

Building on the new commitments to the Global Lighting Challenge announced in early June during the Clean Energy Ministerial, the US Department of Energy (DOE) is announcing funding for nine research and development projects that will ...

Tags: DOE, SSL, LED

How Liquidleds Reinvigorated The Vintage Lighting

May 9, 2016

"We not only produce energy-efficient bulbs, but also strive to take the quality of lighting to the next level," says Michael Yu, CEO of the Taiwan-based Liquidleds. He made the comment while marking the debut of the world's first soft ...

Tags: LED Filaments, LED light bulbs

Rubicon's Revenue Halves In Q4 Due Weak Demand And Delayed Ramp-up At PSS Wafer Customer

Mar 9, 2016

For fourth-quarter 2015, Rubicon Technology Inc of Bensenville, IL, USA (which makes monocrystalline sapphire substrates and products for the LED, semiconductor and optical industries) has reported revenue of $2.45m, more than halving from ...

Tags: Rubicon, Sapphire substrates

LayTec's Gen3 in-Situ Metrology Tool Offers New Features for UV LED Epitaxy

Feb 19, 2016

After unveiling its third generation of in-situ metrology tools last October, in-situ metrology system maker LayTec AG of Berlin, Germany says that the EpiTT Gen3 is now available as the first representative of this Gen3 product class. ...

Tags: UV LED epitaxy, sapphire

LED Display Seems to Have Entered a Season

Dec 11, 2015

LED display seems to have entered a season, LED display showing how future development will be a trend yet. Many in the industry for the future development of LED display some analysis, if so, you can based on the actual LED display dealer ...

Tags: LED Display, LED industry, Chipshow

Low-Threading-Dislocation AlGaN Template for Ultraviolet Lasers

Nov 19, 2015

Sandia National Laboratories in the USA has reported aluminium gallium nitride (AlGaN) laser structures emitting ~350nm ultraviolet radiation from optical and electrical pumping [Mary H. Crawford et al, Appl. Phys. Express, vol8, p112702, ...

Tags: AlGaN, ultraviolet lasers, LEDs

Lattice Power CTO: Low and Mid-Power LED Chip Becomes Major Trend in the Industry

Nov 12, 2015

The LED industry is gradually maturing in 2015, with products cost/performance (C/P) ratio becoming increasingly important. Low and mid-power flip chip products are increasingly valued by the industry. To further understand this trend ...

Tags: LED industry, LED chip, Chip Scale Packaging

LED and OLED Lighting 'needs Further Refinement' - U.S. DOE

Nov 5, 2015

The U.S. Department of Energy (DOE) has published the 2014 edition of its Solid-State Lighting Manufacturing R&D Roadmap. The Roadmap, which complements the SSL R&D Multi-Year Program Plan, intended for R&D programs, aims to guide ...

Tags: LED, OLED Lighting

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