At the 2013 SPIE Photonics West conference in San Francisco (5-7 February), VI Systems GmbH of Berlin, Germany (a fabless spin-off of the Technical University of Berlin and the A. F. Ioffe Physico-Technical Institute in St Petersburg, ...
Tags: VI Systems, UIUC, VCSEL, Multimode Fiber
In a parallel effort to its development of UV-C light emitting diodes (LEDs), HexaTech recently demonstrated optically pumped, AlGaN-based lasers grown on highest-quality, single crystalline AlN substrates. Laser structures fabricated at ...
During a keynote address at Strategies in Light, Norbert Hiller of Cree announced that the company had achieved a new LED efficacy milestone of 276 lm/W in a research & development environment. In the opening Plenary Session at the ...
Tags: Cree, LED efficacy milestone, SIL
Soraa has developed the next generation of its high external quantum efficiency GaN on GaN LEDs, which outperform the best-documented LED laboratory result by Nichia Chemical Co. at current densities of 100 A/cm2 and beyond as described in ...
Tags: Soraa, GaN on GaN LEDs, LED laboratory
Soraa has received an award from the U.S. Department of Energy for its outstanding work in the development of high-efficiency m-plane LEDs grown on low-defect density bulk GaN substrates. The company demonstrated a very high peak internal ...
As described in Applied Physics Letters 101, 223509, Soraa’s new LED outperforms the best-documented LED laboratory result by Nichia Chemical Co. at current densities of 100 A/cm2 and beyond (J. Phys. D: Appl. Phys. 43, 354002). ...
Every LED maker wants to know the emission wavelength of its final device during metal-organic chemical vapour deposition (MOCVD) growth, says LayTec AG of Berlin, Germany (which makes in-situ metrology systems for thin-film processes, ...
Tags: LED maker, LED, LED structures, lighting
EPFL’s Institute of Microengineering(IMT) has achieved a 10.7% efficiency single-junction microcrystalline silicon solar cell, surpassing the previous world record of 10.1% held by the Japanese company Kaneka Corporation since 1998, ...
Tags: EPFL, IMT, single-junction microcrystalline silicon solar cell
Taiwan-based LED packaging house Everlight Electronics had January consolidated revenues of NT$1.653 billion (US$56.0 million) growing on month and year. According to the firm, demand for traditional lamp products has been weak but orders ...
Taiwan's solar industry needs to improve from its weakness of lacking brand recognition and control over distribution, said Ellick Liao, chairman of Taiwan Solar Energy (TSEC). Currently, the total supply of solar products is about ...
Tags: solar industry, TSEC, Ellick Liao
Ocean Optics has recently been recognised with an ‘OFweek 2012 Best LED Service Supplier Award’ by China’s high technology portal OFweek photonics news. Since its entry into the Chinese market, Ocean Optics has ...
Tags: Ocean Optics, OFweek 2012Best LED Service Supplier Award, LED industry
A team at Massachusetts Institute of Technology has developed an etch stop technique to improve performance of recessed-gate nitride semiconductor metal-insulator-semiconductor field-effect transistors (MISFETs) [Bin Lu et al, IEEE Electron ...
Tags: GaN MISFET GaN MOCVD, Electronics, Etch
Soraa Inc of Fremont, CA, USA, which develops solid-state lighting technology built on ‘GaN on GaN’ (gallium nitride on gallium nitride) substrates, has announced the next generation of its high external quantum efficiency ...
Tags: Soraa GaN-on-GaN, LED, USA
Researchers in China have developed an atomic layer deposition (ALD) technique to create distributed Bragg reflectors (DBR) for increasing nitride semiconductor light-emitting diode (LED) output power by up to 43% [Hongjun Chen et al, Appl. ...
Tags: DBR ALD MOCVD LEDs GaN, Lighting, LED
Soraa Inc of Fremont, CA, USA, which develops solid-state lighting technology built on ‘GaN on GaN’ (gallium nitride on gallium nitride) substrates, has received an award from the US Department of Energy for its work in the ...
Tags: Soraa GaN-on-GaN, Electronics, Lighting