WEB EXCLUSIVE: Semiconductor supply chain sees big potential for cost reductions in LED manufacturing 11 Jun 09
Improvements in LED manufacturing processes, learning from the lessons of the mainstream silicon semiconductor industry, could have a big impact on the LED industry, writes Paula Doe of SEMI. |
Rubicon grows giant sapphire crystal 20 Apr 09
At 200 kg, the “super boule” represents the next generation of sapphire growth technology and sapphire products. |
Photonic-crystal LED reaches 73% light-extraction efficiency
20 Mar 09
A thin, 700-nm gallium nitride-based LED was used in the experiment, say Philips researchers.
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Epistar expecting to launch AC-LED products in 2009 11 Mar 09
Using technology licensed from ITRI, Epistar expects to introduce AC-driven LED chips in the second quarter of 2009. |
LG Innotek and Chinese start-up acquire LED growth systems 09 Feb 09
Companies in Korea and China have bought new systems for the growth of GaN-based LED materials. |
Opinion: Researchers hype GaN on silicon success
30 Jan 09
Stories suggesting Cambridge University researchers have solved all the barriers to low-cost LED lighting are overblown, we believe. |
Researchers use streamlined polarization to boost performance of LEDs 14 Jan 09
RPI researchers have developed a polarization-matched LED that exhibits an 18% increase in light output and a 22% increase in wall-plug efficiency.
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WEB EXCLUSIVE: First class thermal management for LEDs 13 Jan 09
Beadlight uses Electrolube’s thermal transfer material to manufacture LED reading lights for aircraft seats. |
WEB EXCLUSIVE: Optical in situ monitoring in LED device production 18 Dec 08
The most significant issue in LED MOCVD growth today is precise control of the wafer temperature throughout the whole growth process. |
WEB EXCLUSIVE: Water jet-guided laser improves LED efficiency 05 Dec 08
Water jet-guided lasers address challenges surrounding the creation of metal heat sinks for HB-LEDs. |
RPCVD technology offers low-cost growth alternative for GaN-based LEDs 05 Nov 08
By eliminating ammonia and using large, low-cost substrates, a new growth technology could offer a challenging alternative to conventional MOCVD processes, writes Giles Bourne. |
Business News: Neo-Neon, Epistar, SemiLEDs, Aluwave 16 Oct 08
Neo-Neon is to start making LED chips, Epistar has filed a patent lawsuit against Huga, SemiLEDs has bought lithography tools from Ultratech, and Aluwave and OLP have developed a light system using LED and fiber optics. |
Taiwan LED companies lead demand for sapphire wafers 07 Oct 08
More than half of the 4.6 million 2-inch-equivalent sapphire wafers used for LED growth in 2007 were consumed by Taiwanese companies, says a new report. |
IMEC and Taiyo Nippon Sanso collaborate on green LED manufacturing 03 Oct 08
A European research institute and a Japanese materials and equipment supplier will seek to improve green LED performance for applications such as LED manufacturing. |
LED chips set new R&D records
23 Sep 08
Over the summer, both Philips Lumileds and Osram Opto Semiconductors unveiled some pretty impressive lab results for power LEDs. |
Luxtaltek orders Obducat system for photonic crystal LEDs 21 Aug 08
Obducat has received an order worth $3.55 million for lithography systems used in the mass production of photonic LEDs. |
LED market predicted to grow 20+ percent/year, says Rubicon CEO 11 Aug 08
At Rubicon Technology’s recent 2Q08 earnings conference call with industry analysts, the company's president and CEO discussed the future of the LED market.
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Bridgelux begins volume shipment of fifth-generation LED chip 05 Jun 08
Bridgelux says that it has developed advanced chip technology and low cost-per-lumen products without resorting to complex, low yield thin-film techniques. |
Oxford Instruments acquires HVPE developer TDI 11 Apr 08
Technologies and Devices International’s technology will enable Oxford to expand the range of products it already supplies to the HBLED market.
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WEB EXCLUSIVE: Meeting the production challenges of high-brightness LEDs
30 Mar 08
One highly effective way to reduce LED manufacturing costs involves switching from wet scrubber exhaust abatement systems to combustion-based abatement technology, explains Mike Czerniak of Edwards. |
JPSA awarded Korea patent for LED wafer scribing 08 Jan 08
A new technique using laser-based scribing systems can result in faster processing and higher yield. |
SDK to increase AlGaInP LED chip capacity 19 Dec 07
Showa Denko aims to produce 200 million AlGaInP LED chips per month by the end of 2008. |
Goldeneye reduces process steps with EpiChip LED 13 Dec 07
A process to produce a thin-film "epi-only" chip without the need to bond to a submount could result in a simplified and lower cost LED manufacturing process. |
TDI awarded HVPE patent for bulk GaN growth 21 Nov 07
A new US patent describes HVPE equipment to make low-cost bulk GaN and AlGaN substrates.
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Quanlight reports test results for dilute nitride LEDs 22 Oct 07
Red LEDs manufactured using a novel material system have much better temperature stability than traditional devices, according to Quanlight. |
Rubicon files for $100m IPO 14 Sep 07
The maker of sapphire substrates for LEDs plans to raise to fund its planned capacity expansion. |
Japanese researchers develop UV LED emitting at 227.5nm 13 Sep 07
Researchers at Riken and Saitama University have developed a viable LED with an extremely short wavelength. |
BluGlass awarded $5m in government funding 11 Sep 07
A company that hopes to commercialize a low-cost process for the production of gallium nitride LED wafers has received Australian government backing. |
Cree plans to triple white XLamp LED capacity 23 Aug 07
Cree plans to increase it manufacturing capacity for lighting LEDs at its Cotco subsidiary in China. |
Lumileds phosphor technology expected to simplify binning 07 Aug 07
Lumiramic phosphor technology developed by Philips Lumileds should reduce the number of fine bins offered for each specific CCT for white LEDs. |
UK-based NoveLELS project earns government backing 27 Jul 07
Enfis is leading a consortium of companies with funding from the UK government to develop efficient LED-based sources and establish a UK capability for LED chip and array production. |
SDK expands blue LED chip capacity to 200 million per month 18 Jul 07
Japanese blue LED chip supplier Showa Denko is making further investments to ramp up its production capacity. |
Osram breaks ground for LED chip plant in Penang 18 Jul 07
For the first time, Osram is allowing its central chip-making technology to be exported overseas, to a new facility in Malaysia. |
Osram reports record lab results for red, green chips 28 Jun 07
In the lab, Osram has measured outputs exceeding 180 lm at 1 A for green chips and more than 300 lm at 2 A for red chips. |
BluGlass produces first blue emission from GaN on 6-inch glass 07 Jun 07
The development of deposition techniques for high-quality LED material on large glass wafers could ultimately result in significant cost reductions for LEDs. |
Quanlight raises $3 million to fund new LED materials 24 May 07
A start-up in San Diego is using the dilute nitride material system to enable red LEDs that could have improved performance compared with today's LEDs. |
GaN-on-glass process could yield 48% savings for LED epitaxy 12 Apr 07
A cost of ownership model for a deposition process developed by BluGlass Ltd could result in significant cost savings for LED manufacturing. |
Panasonic grows power LEDs on GaN substrates 07 Mar 07
Panasonic is to introduce white LEDs based on blue chips grown on GaN substrates, eliminating many of the problems associated with LED growth on sapphire. |
Aonex and Kyma develop improved GaN growth substrates 28 Feb 07
Joint development work hopes to yield large-area GaN wafers for improved growth of devices including LEDs. |
Showa Denko develops hybrid growth process for GaN-based blue LEDs 22 Feb 07
A Japanese company can now grow LED material on 4-inch sapphire wafers, and intends to build a new factory to produce LEDs. |
MOCVD systems respond to demand for higher LED productivity and yield 18 Feb 07
Manufacturers of equipment used to grow LED layer structures have introduced new systems capable of depositing even more material in a single run, in response to customer demand for higher throughput and more cost-effective production. |
Cyberlux acquires LED technology developed at UCSB 16 Jan 07
Cyberlux has acquired Hybrid Lighting Technologies in a deal including a worldwide exclusive license for technology to improve LED efficiency. |
ZnO nanowire research could result in cheaper LEDs 11 Jan 07
The demonstration of p-type ZnO nanowires using a low-cost chemical vapor deposition technique could eventually result in less expensive LEDs. |
