Philips Lumileds has reentered the market for blue LED die at SIL and also announced an expansion of the Luxeon S family of multi-emitter packaged LEDs at the Strategies in Light conference. Philips Lumileds has announced the ...
Tags: Philips Lumileds, LED, SIL
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
Germany-based Azzurro Semiconductor AG has turned out sample 8-inch Ga-on-Si (gallium on silicon substrates) LED epitaxial wafers and plans to begin volume production as soon as the end of the second quarter of 2013, according to company ...
Tags: Azzurro Semiconductor AG, LED epitaxial wafers, LED chips
Azzurro Semiconductor AG’s Sales & Marketing vice president Erwin Ysewijn told to Digitimes that, the company has turned out sample 8-inch Ga-on-Si LED epitaxial wafers and plans to begin volume production as soon as the end of Q2 of ...
Tags: LED Epitaxial Wafers, LED makers, LED chips
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
Suzhou Institute of Nano-tech and Nano-bionics (SINANO) in China has been using double-gated nitride semiconductor high-electron-mobility transistors (HEMTs) to understand the effects of field-plates in improving dynamic performance [Guohao ...
Tags: SINANO, China, double-gated nitride semiconductor, HEMTs
MK Lu, chairman of Taiwan-based Sino-American Sapphire (SAS) stated that the price of polysilicon is likely to return to a reasonable level in China because China's government may announce a preliminary result on the anti-dumping and ...
Tags: SAS, polysilicon, MK Lu
Taiwan-based sapphire wafer makers, viewing that LED demand is unlikely to grow to, have started looking to have sapphire wafers adopted as protection covers for iPhone 5 cameras. Several smartphone vendors including Taiwan-based HTC and ...
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
Rubicon Technology Inc of Bensenville, IL, USA, which makes monocrystalline sapphire substrates and products for the LED, RFIC, semiconductor and optical industries, says it has shipped a total of 400,000 six-inch sapphire wafers to LED ...
Tags: LED manufacturing, LED, LED lighting
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 ...
Rubicon Technology has shipped totally 400,000 large diameter sapphire wafers to LED and SoS/RFIC manufacturers. Sapphire is a key building block for LEDs used in HDTVs, laptops, smart phones and tablets. Another significant market for ...
Tags: LED industry, LED, LED market
Taiwan-based sapphire substrate maker Tera Xtal Technology will establish two subsidiaries in eastern China, each with investment of US$15 million. Sapphire substrate production at the subsidiaires will begin in the second half of 2013 at ...
Tags: LED firms, Tera Xtal, LED industry