Soitec of Bernin, France, which makes engineered substrates including silicon-on-insulator (SOI) wafers (as well as III-V epiwafers through its Picogiga International division), estimates that its engineered substrates (which are used in ...
Tags: Soitec, Engineered Substrates, Smart Phones, Tablets
Researchers in Korea have used aluminium gallium nitride (AlGaN) heterostructures similar to high-electron-mobility transistors (HEMTs) to create Schottky barrier diodes (SBDs) with increased forward current without damaging the breakdown ...
Tags: aluminium gallium nitride, AlGaN, heterostructures, HEMTs
The Optogan group of companies is a vertically integrated producer of High Brightness LEDs based in St. Petersburg, Russian Federation. The group is also active in Finland and Germany. Founded in 2004 by 3 graduates of Ioffe ...
Tags: Optogan, Lighting Brands, led, led chip, hb led
Researchers in the USA have developed radio frequency switches based on nitride semiconductor voltage-controlled capacitors (varactors) [F. Jahan et al, IEEE Electron Device Letters, 9 January 2013]. The team, consisting of engineers from ...
Tags: radio frequency switches, nitride semiconductor voltage, SET
The LED consists of (1) a blue LED chip made on a β-type Ga2O3 substrate by using GaN-based semiconductor and (2) a fluorescent material. Compared with a case where a common blue LED chip formed on a sapphire substrate is used, the new ...
Taiwan-based LED epitaxial wafer and chip maker Genesis Photonics has obtained orders from the largest Russia-based LED packager and lighting maker, with monthly shipments exceeding one million LED chips, while Taiwan-based LED packaging ...
Tags: LED, Genesis Photonics, LED packager
Dow Corning and Crystal Solar have said they plan to develop a business relationship to supply high-performance, silicon-based materials for photovoltaic cells and modules. The two companies also intend to assess options for developing ...
Tags: Dow Corning, Crystal Solar
GaAs solar material maker Alta Devices boasts solar cells with an efficiency of 28.8%, but perhaps even more astonishing is the fact it can produce GaAs cells that are only 1-micron thick, which opens up the possibility of a whole new field ...
Tags: GaAs, solar material maker, Alta Devices, solar cells, lightweight
Researchers in Taiwan and USA have developed lateral insulated-gate bipolar junction transistors (IGBTs) using 4H silicon carbide (SiC) technology [Kuan-Wei Chu et al, IEEE Electron Device Letters, published online 9 January 2013]. ...
Tags: insulated gate bipolar transistors, silicon carbide, Electron Device
Japanese companies from Tamura Corp and Koha Co Ltd have created a white LED using gallium oxide (β-type Ga2O3) and exhibited it at Lighting Japan 2013 from Jan 16 to 18, 2013. The LED consists of a blue LED chip made on a ...
Tags: Japanese companies, LED, gallium oxide
Toshiba and US-based Bridgelux will reportedly start volume production of 8-inch Si-substrate GaN wafers for use to make LED chips in the first quarter of 2013, according to Taiwan-based makers. However, president Jacob Tam for TSMC Solid ...
Epitaxial deposition and process equipment maker Veeco Instruments Inc of Plainview, NY, USA Inc has received an order for multi- and single-chamber TurboDisc metal-organic chemical vapor deposition (MOCVD) systems, including the new ...
Tags: LED production, LED, Lighting
Linköping University spin-off Graphensic AB of Mjärdevi Science Park, Linköping, Sweden says that the Swedish Energy Agency has granted it about €60,000 in financial support for business development. The firm reckons ...
Tags: graphene, SiC, graphene industry
Various countries have banned the use of incandescent light bulbs, paving the way for LED lighting to shine. However, due to numerous newcomers in China taking up massive capacity expansion, the LED market has been in severe oversupply, ...
Tags: 2013, Opportunities, Risks, LED Lighting
Taiwan researchers have used a self-textured oxide mask (STOM) as a template to enhance the external quantum efficiency (EQE) of nitride 380nm ultraviolet (UV) light-emitting diodes (LEDs) by up to 83% [Kun-Ching Shen et al, IEEE Electron ...
Tags: LED light, LED, LED light extraction