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
Source: Toshiba Toshiba’s white LED package Toshiba Corporation will begin mass production of white LEDs on 200mm silicon wafers this month based on technology that it licensed and developed with Californian firm Bridgelux. ...
Tags: Toshiba, Lighting, Gan on Si Led, Lights
Toshiba Corporation today announced that the company will start sales of white light-emitting diode (LED) packages that offer makers of general purpose and industrial LED lighting solutions a cost-competitive alternative to current LED ...
Tags: LEDs Lighting, Toshiba, Lights, Mass Production
Toshiba Corporation announced that the company will start sales of white light-emitting diode (LED) packages that offer makers of general purpose and industrial LED lighting solutions a cost-competitive alternative to current LED packages. ...
Tags: Japan Toshiba Bridgelux White LED Packages, LED Package, LED CHIP
Researchers in China have developed a low-cost, high-throughput photonic crystal (PhC) process for nitride semiconductor light-emitting diodes (LEDs) [Tongbo Wei et al, Appl. Phys. Lett., vol101, p211111, 2012]. The process used ...
Tags: Nanospheres GaN LEDs MOCVD, LEDs
National Chung Hsing University in Taiwan has developed a simple silane treatment to improve crystal quality/internal quantum efficiency (IQE) and light extraction in nitride semiconductor light-emitting diodes (LEDs) [Chung-Chieh Yang et ...
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It is 50 years since laser scientist Dr Nick Holonyak and his team of researchers at General Electric made the breakthrough with a new type of alloy that allowed them to create the first practical, visible-spectrum LED and paved the way for ...
Tags: LED Lighting
Researchers in Korea and India have used zinc oxide (ZnO) nanorods on the rear side tolight-emitting diodes (LEDs) grown on c-plane sapphire [Joo Jin et al, Jpn. J. Appl. Phys., vol51, p102101, 2012]. The researchers were based at Chonbuk ...
Tags: LED
Rensselaer Polytechnic Institute (RPI) and Samsung Electronics have used tapered micro-pillars of titanium dioxide (TiO2) to increase light extraction from nitride semiconductor light-emitting diodes (LEDs) by up to 100% [Ming Ma et al, ...
Tags: LEDs
Companies that are developing LED lighting products need to have an awareness of the wider patent landscape to help them develop,protect and exploit their own intellectual property to its fullest,as JACKIE MAGUIRE and DAVID SEGAL explain. ...
Researchers in Korea have been studying how to improve graphene transparent conducting layers(TCLs)using gold nanoparticle(Au-NP)decoration.The team was variously associated with Gwangju Institute of Science and Technology,Korea Basic ...
Latest issue of Semiconductor Today now available For coverage of all the key business and technology developments in compound semiconductors and advanced silicon materials and devices over the last month,subscribe to Semiconductor ...
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Lattice Power says that it is in volume production of high-power gallium nitride LEDs grown on silicon substrates, while Plessey appears to be not far behind. Lattice Power Corporation, a China-based company that is developing gallium ...
Tags: Production, LED, MOCVD system
Researchers in China have used a combination of surface texturing and vertical-stand mounting to increase light output from nitride semiconductor LEDs by up to 118.5%[T.B.Wei et al,IEEE Electron Device Letters,published online 7 May ...
Tags: LEDs, VLED, GaN, GaN substrate, MOCVD
US researchers have used zinc-oxide microwires to significantly improve the efficiency of ultraviolet (UV) light-emitting diodes (LED). The devices are believed to be the first LEDs that have had their performance enhanced by using the ...
Tags: led