The 2012 Lighting Year began with the historic phase-out of the incandescent light bulb. The year continued with the 50th anniversary of the light-emitting diode (LED) in October and ended in December with yet another Greatest LED. ...
Tags: Philips, LED, LED lamp, LED Lighting, OsramNXP Cree
The 2012 Lighting Year began with the historic phase-out of the incandescent light bulb. The year continued with the 50th anniversary of the light-emitting diode (LED) in October and ended in December with yet another Greatest LED. ...
Tags: Philips LED, LED lamp, LED Lighting, OsramNXP Cree
The impact of using a vertical current injection structure was also seen in a higher external quantum effi- ciency (EQE) of 16.2% at 350mA, com- pared with 13.2% for the LLED. At 550mA, the VLED EQE fell 11.9%, com- pared with14.6% for the ...
Tags: LED
Light output power increased 23% over conventional lateral LEDs. Korea's universities have used aluminum-alloyed graphite as a thermally conducting substrate to improve the light output power performance of nitride semiconductor LEDs by ...
Tags: LED
LED utilization rates are picking up again, with utilization in Taiwan now back up to 70 to 90 percent of capacity. Companies expect to be back to close to 100 percent in a month or two, driven by TV backlight demand, reports Yole ...
Rubicon Technology Inc of Bensenville,IL,USA,which makes monocrystalline sapphire substrates and products for the LED,RFIC,semiconductor and optical industries,says that the US Patent and Trademark Office(USPTO)has allowed Rubicon's patent ...
Tags: Rubicon Technology, USPTO, Ultra-Flat, High-Throughput Wafer Lapping
AIXTRON SE introduced a 5 x 200mm gallium nitride on silicon (GaN-on-Si) reactor design for its G5 Planetary Reactor metal organic chemical vapor deposition (MOCVD) platform. AIX G5+ comprises special reactor hardware and process design, ...
Tags: MOCVD
US-based solar crystal growing furnace maker GT Advanced Technologies has announced plans to write down the majority of its directional solidification system (DSS) inventory, meaning the firm will no longer supply such equipment to the ...
Tags: DSS Inventory, GT Advanced Technologies, inventory polysilicon
In May of this year, Dan Sciscente of Communi-T made the 2,300 mile trek to sunny Florida to reveal his company's recent updates to the popular Communi-T program, which allows clients to better utilize their SAP solutions. Communi-T ...
Tags: SAP solutions, Communi T program, mobile application, offline processing
China Vanadium Titano-Magnetite Mining Co the largest non-state owned iron ore producer in Sichuan province said that its parent made a buyout offer of as much as HKD 2.06 billion (USD 266 million). According to a Hong Kong stock ...
Tags: China, Vanadium, iron ore producer, parent
High-power bursts of light from femtosecond system are being honed for new compact particle accelerators. An ultrafast laser system under development at the Lawrence Berkeley National Laboratory (LBL) in California has delivered ...
Tags: laser, High-power bursts, ligtht, LBL, BELLA, Berkeley
Rubicon Technology, a provider of sapphire substrates and products to the LED, RFIC, semiconductor, and optical industries, reported that second quarter (ended June 30, 2012) revenue increased to US$17.0 million from US$10.2 million in the ...
Tags: Rubicon Technology, finanacial report, USA
For second-quarter 2012, GT Advanced Technologies Inc of Nashua, NH, USA (a provider of polysilicon production technology as well as sapphire and silicon crystalline growth systems and materials for the solar, LED and other specialty ...
Tags: GT, LED, solar, financial report
The LED consists of a chip of semiconducting material doped with impurities to create a p-n junction. As in other diodes, current flows easily from the p-side, or anode, to the n-side, or cathode, but not in the reverse direction. ...
Tags: LED
At the end of October, GT Advanced Technologies Inc of Nashua, NH, USA (a provider of polysilicon production technology as well as sapphire and silicon crystalline growth systems and materials for the solar, LED and other specialty markets) ...
Tags: GT, sapphire furnace, solar, LED