SemiLEDs proudly announces its power improvements in its EV-LED family allowing single-chip emitters to achieve over 130lm/W. SemiLEDs announced its recent improvements in both epitaxial quality and chip process to its EV- family of LED chips. These improvements allowed a 10% increase in blue chip brightness and 8% decrease in forward voltage (Vf) during mass production, enabling its clients to achieve over 130lm/W with cool white and 110lm/W with warm white. The measurements were taken at 350mA. With Enhanced Vertical (EV) technology, SemiLEDs was abl...

BluGlass has utilized its low temperature RPCVD process to develop p-type GaN, an essential material that make up the top layers of a nitride LED.   Preliminary testing has been carried out on the sample using a 0.5mm diameter size p-type indium contact. The light output was measured with a UV-detector positioned under the wafer calibrated at the wavelength of the light emission. At 20mA and 4.7V, the light output was 270µW (light emission at 458nm with a full width half maximum of 19nm) At 50mA and 5.5V, the light output was 1.23mW (light emission ...

Smart Home Labs has launched the RoboSmart wireless LED lighting system that enables smart lighting control via smartphone, tablet or computer over Bluetooth Smart wireless with customizable apps for both iOS and Android. And the new LED light bulb is available for pre-orders on the world’s largest open-funding platform IndieGoGo. The unique combination of energy efficient LED design and Bluetooth communications allows anyone the freedom to fully customize control of their home lighting, not previously possible with standard LED bulbs. Harnessing the ...

NASA's planning a test to replace fluorescent lighting panels in the ISS with a solid-state LED lighting module which produces blue, white, or reddish light depending on the time. It hopes that this change will serve as a counter-measure to the inevitable disruption of the body's circadian rhythm while in space — this would hopefully reduce insomnia, which can have a host of deleterious effects while in space. Sleep in space has long been a concern for NASA — back in 2001, a study showed that 50 percent of some Space Shuttle crews relied on medicat...

Lately, a US academic has made a breakthrough on a flicker-free, shatterproof, alternative light source for large-scale lighting applications. Dr David Carroll at Wake Forest University has utilized the technology based on Field-Induced Polymer Electroluminescent Technology (FIPEL) and emits a soft white light, to create the light source.       According to Dr Carroll, the light source is made from three layers of moldable, white-emitting polymer blended with nanomaterials that glow when stimulated to create bright, natural “white lig...

Infrared thin-film chip leaps to 72 percent efficiency The infrared chip prototype has achieved a new record with an efficiency of up to 72 percent. At 930 milliwatts from an operating current of 1 amp, its light output under laboratory conditions is 25 percent higher than that of the chips currently available on the market, which means that future infrared LEDs can be made even more energy-efficient. The efficiency was measured at room temperature and at a dc current up to 1 amp. With a wavelength of 850 nanometers the chip has been designed in particular for infrared illuminatio...

MagnaChip Semiconductor Corporation ("MagnaChip"), a Korea-based designer and manufacturer of analog and mixed-signal semiconductor products, today announced the launch of an advanced 4-channel LED backlight unit (BLU) driver IC (model:MAP3242) that features a 50% increase in driving power making it ideally suited for TV applications.

Seoul Semiconductor announced that it would be accelerating the sales of MJT(Multi Junction Technology) series, which uses Seoul’s integrated Acrich technology, on November 21. A big advantage of the MJT series is that its 5630 and 3528 packages offer LED lighting manufacturers easier production with the standard (module) size and enable lighting fixtures to deliver world-class performance up to 100 lumens per watt. Unlike the conventional method that requires complicated circuitry to connect multiple LED chips, the MJT series is designed to operate at va...

WEBENCH Schematic Export supports CAD platforms from Cadence, Mentor Graphics and Altium Texas Instruments Incorporated (TI) (NASDAQ: TXN) unveiled WEBENCH® Schematic Export, a new online tool that exports analog designs from TI’s WEBENCH Design Center to industry-leading computer-aided design (CAD) development platforms from Cadence Design Systems, Inc., Mentor Graphics and Altium. WEBENCH Schematic Export will be demonstrated in TI’s booth #420 in Hall A4, at the Electronica trade show in Munic...

Sumitomo Chemical Co Ltd showcased a light guide plate made with an ink-jet technology at FPD International 2012 from Oct 31 to Nov 2, 2012, in Yokohama, Japan. It is targeted at LCD panels using an LED backlight such as of TVs and monitors. The light guide plate was made by using an ink-jet technology to form a concave-convex pattern with an ultraviolet curable resin on the "Sumipex," Sumitomo Chemical's acrylic resin. The diameter of the pattern can be controlled between 30-70μm. Compared with light guide plates made by using an injection m...

iPad is used to control streetlights in London borough. After a successful pilot scheme, the London borough has created a ‘Smart Lights system’ deploying Philips CosmoPolis Outdoor Lighting products in conjunction with a Harvard LeafNut CMS system. The council will also install GE Ceramic Metal Halide StreetWise lamps. The project will take four years to complete and it is hoped the £3.25 million investment will save council taxpayers £420,000 per year from 2015/16 onwards. All of the borough’s 14,000 streetlights will be adapted to...

NGK Insulators, Ltd. of Japan has announced the development of high-quality GaN wafers to reduce defects and roughly double the luminous efficiency of green LEDs over previous models. NGK achieved this breakthrough by using a crystal growth technology that it has improved through a proprietary approach. The GaN wafers developed by NGK feature low defect density across the entire 2-inch diameter of the wafer surface and have a colorless transparency. NGK achieved this through proprietary improvements to liquid phase epitaxial technology for single crystal growth. ...

A group of South Korean scientists have collaborated to translate what they observed in fireflies over toward a better, less expensive, LED lens. Their work is essentially mimicking a bioluminescent organ for lighting applications Following the contemporary practice of investigating biological systems, the team attempted to copy the structure of a firefly's underbelly into work that may lead to more efficient and cheaper LED lighting. They wrote about a better anti-reflective lens for LED in their paper, "Biologically inspired LED lens from cuticular nanostruct...

Taiwan LED leading brand TESS today reveal brand new product – 12W 1000 lumens omni-directional LED Bulb, this remarkable product not only breakthrough the current technology barrier but also reflect the demand in lighting market, TESS proofs it great powerful research and development ability in LED solutions again. Core value of TESS R&D is to keep challenging technology barrier, to provide innovative LED products and to bring new concept of energy saving to next generation. This brand new omni-directional LED Bulb (12W CW-1000lm/12W WW-...

The world's largest LED chipset supplier has announced the launch of a 2200K colour chipset to meet the market demand for a warmer, golden light that can match the output of an incandescent lamp.   The 2200K XTE high power LED chip is the result of a co-development between CREE, the market-leading innovator of lighting-class LEDs, and high power LED light manufacturer, Aeon Lighting Technology (ALT).   The 2200K chipset has tackled one of the greatest challenges of LED design by achieving the preferred warm coloration, consistent with that ...

Vietnamese scientists are trying to create LED lamp products which have the light spectrum suitable with every kind of plant, which can help save electricity, churn out clean and off-season products. According to Dr Phan Hong Khoi, Managing Director of the high-efficiency public lighting project in Vietnam, LED is a special type of semiconductor diode which can generate a narrow spectrum, discrete light when excited. LED lamps can create different colors, depending on the semiconductor materials used and operating conditions. With LED lamps, scientists use two bea...

GreenWave Reality’s Connected Lighting Solution has made a dream that wirelessly influence light bulbs’ color, brightness with iPhone come true. People reside in Europe can begin to enjoy such luxuries, as GreenWave Reality’s Connected Lighting Solution combine energy star certified LED bulbs with home’s wireless network, allowing you to control your abode’s lights with the touch of a smartphone (or tablet). Unlike like LIFX version, customers won’t be able to change the color, but probably can influence their brightness, and t...

Rohm Co Ltd has showcased a planer LED lighting panel featuring LED packages with a high color rendering index as high as 98 at CEATEC JAPAN 2012 held from Oct 2 to 6, 2012. High color rendering index According to the firm, the panel was made by arranging LED packages on a plane surface and covering them with a light diffusion plate. It emits light from the entire surface of the panel like an OLED lighting panel. By using its fluorescent material technologies, Rohm realized a general color rendering index (Ra) as high as 98 and prevented the sulfurati...

Epistar and Azzurro have jointly made breakthroughs on developing GaN-on-silicon based LEDs utilising Epistar’s HB LED structures and Azzurro’s technology for 150mm GaN-on-silicon in just 4 months. The firms transferred Epistar’s existing LED structures built on sapphire to the GaN-on-silicon material system, marking GaN-on-silicon one step further towards implementation in mass production. GaN-on-silicon growth is often associated with many technological challenges. But the use of templates with unique strain‐engineering technology from A...

UK imaging technology developer Integration Technology Ltd (ITL) is consolidating its Continental Europe operations with the appointment of Achim Herzog to the role of European Business Development Manager. Southern Germany-based Herzog brings over a decade’s worth of experience in printing and UV curing to ITL. He joins from Atlantic Zeiser where he was product manager for the digital and security printing division and worked formerly in sales and strategic development for ITL strategic partner, IST METZ. Achim Herzog anticipates growing...

Lately, Nissha Printing Co Ltd has developed a lighting apparatus using dye-sensitized solar cells (DSSCs) and started to sell it. It is the first time that a DSSC developed and manufactured in Japan has been commercialized. The lighting apparatus, "Akarie," stores electricity generated with the DSSCs during daylight hours in a rechargeable battery. And the electricity is used to power an LED lamp during nighttime hours. The Akarie is made by using DSSCs on the top of a case that measures 200 x 200 x 85mm and weighs 3.7kg and placing a rechargea...

SemiLEDs leads the packaging manufacturers and became one of the first to pass a third party LM-80 test in Taiwan, performed by IST, required by Energy Star. SemiLEDs (Nasdaq: LEDS), with cooperation of Integrated System Technology(IST), is proud to announce that its S35 product line has successfully completed the requirements of the stringent 6000 hour lumen maintenance test (LM-80) and the results showed an extrapolated lifetime of up to 50,000 hours. SemiLEDs’ S35 series is the first product to pass the LM-80 after IST’s received t...

According Tech-On.com, Kyoto University’s professor Hiroyuki Yano, has added resin, etc to paper or its material (pulp) to make transparent paper. This breakthrough was announced at the New Technology Presentation Meetings, which the university organized Aug 24, 2012, in Tokyo. Yano expects that the new technologies will be applied to transparent OLED substrates, substrates of organic thin-film photovoltaic (PV) cells, electronic paper, materials for car windows, packaging containers, etc. Cellulose nanofibers, which constitute pulp, have a width of 10-20nm ...

Albeo Technologies has brought "chip-in-fixture" (CIF) patent strategy into LED fixture innovation. The “chip-in-fixture" (CIF) LED lighting platform, titled LED chip-based lighting products and methods of building (US Patent 8,056,659),covers the integration of unpackaged light-emitting diode chips directly on the inside surface of the external shell of the fixture, to substantially reduce the raw material cost of LED fixtures and dramatically improve performance. The CIF design minimizes thermal resistance by eliminating printed circui...

In the presence of high-ranking representatives of the Jiangsu province, OSRAM AG today laid the foundation of its new factory in the Chinese city of Wuxi. In doing so, the company is taking the next step in expanding its activities in China, the world’s largest single lighting market. LED chips will be packaged in housings at the backend facility, scheduled to be completed by the end of 2013. The production of the LED chips (frontend) will continue in the Regensburg (Germany) and Penang (Malaysia) plants. “China is already today the biggest sales market with significant future potential.

Nualight, dedicated in LED lighting for food retail, has come up with two new lighting solutions to revolutionise colour vibrancy in fresh food displays. The company has developed LED lighting colour technology Vivace to bring out the natural colours in food when it is on display in supermarkets. The company, based in Cork, Ireland, has been making headlines of late. Last September, for instance, it announced it had acquired Dutch LED lighting technology firm Lumoluce for nearly €11m. This past March, Nualight secured a US$100m opportunity with Hussman,...

DOE has finished Series 16 of testing under the DOE Solid-State Lighting CALiPER program. The Report 16 analyzes the performance of a group of 13 LED products labeled as BR30 or R30 lamps. Results show substantial improvement versus earlier CALiPER testing of similar products, and performance comparable to recent data from LED Lighting Facts and ENERGY STAR. Many of the LED lamps tested could be effective replacements for conventional directional lamps in the right application. The report also indicates that it’s necessary to boar...

The EU research project GECCO with their partners from Madrid, Bristol, Lodz, as well as Osram aim at vertically oriented LEDs that can boost the light output by a factor of 10. The European scientists expect that new three-dimensional assembly of LEDs could dramatically multiply the light output compared to today's planar devices. Currently, LEDs are being constructed in a planar way, meaning in layers and completely flat. The more light is being required, the more wafer area has to be produced—an expensive and laborious approach. The idea of the...

O2Micro(R) International Limited has released patented Free Dimming(TM) technology for the global LED lighting market.   The patented Free Dimming(TM) technology enables LED bulbs to dim using any on/off switch, thus eliminating the burden of installing expensive dimmers. It can work with any on/off switch, including wall toggles, paddle switches, pull cords, rotary switches and other types of on/off switches commonly found on walls, extension cords and table/desk lamps. Industry has estimated that there are roughly 150 million incandescent dimmers installed i...

InfiniLED, backed by ScienceWorks Ventures plc and a Tyndall National Institute (UCC) spin-out, has signed an access agreement with Tyndall National Institute, Cork (Tyndall). Under the agreement, InfiniLED’s engineers will work within the institute’s ISO 9001 Certified Compound Semiconductor cleanrooms to fabricate μLED (MicroLED) technology. In MicroLEDs, a parabolic structure is etched on the back of the LED wafer to focus the light generated into a collimated beam - the core differentiator of the μLED technology. The...