Thermal Technology’s Model K1 sapphire crystal grower was utilized by Hefei Crystalbridge Optoelectronic Materials Co. Ltd. to produce China’s first commercial grade sapphire crystal of nearly 100kg.   Crystalbridge estimates these crystals will yield 4,000mm of “two inch equivalent” (TIE) rods, or about 5,700 high quality 2-inch substrates.  Crystalbridge grew the crystal in14 days, an increase in productivity of more than 25 percent compared to most other Chinese producers.  “Achieving this milestone only one month from...

Lately, the Department of Energy (DOE) has released May 2011 Lighting Facts Product Snapshot of LED replacement lamps, which aims to help lighting retailers, distributors, designers, utilities, and energy efficiency program sponsors understand the current state of the LED replacement lamp market and its trajectory. The report uses verified performance data from the Lighting Facts product list, which now has nearly 1,000 LED replacement lamps registered, to compare their performance to standard technologies and the new performance levels mandated by the Energy Inde...

TDK Corp recently has released the structure of the see-through OLED panel which started mass production in March 2011. The see-through OLED panel features a passive-matrix type and has a screen size of 2.4 inches. Its pixel count is 240 x 320 (QVGA). It can display color images. The brightness and transmittance of the new see-through OLED panel are 150cd/m2 and 40%, respectively.   TDK used metal electrodes as negative electrodes so that the company's proven manufacturing technologies can be used to start volume production as soon as possible. Then...

Mitsubishi Electric Corporation recently is announced to install a six-meter OLED globe at the National Museum of Emerging Science and Innovation in Tokyo, Japan. The OLED "Geo-Cosmos" display will be unveiled at the museum as the world's first large-scale spherical OLED screen on June 11. Hanging 18 meters from the floor, the globe is an aluminum sphere covered with 10,362 OLED panels, each measuring 96 x 96 millimeters. Mitsubishi Electric used its scalable OLED technologies to create the globe, which replaces a globe comprising LE...

Uniform illumination in linear and flat lighting solutions The new product family in the low-power range from OSRAM Opto Semiconductors starts with Duris E 3. The small dimensions and wide beam angle of these new LEDs make them ideal for applications that require uniform illumination. These highly efficient LEDs can be used as replacements for conventional fluorescent lamps in T5 or T8 luminaires for example. Duris E 3 has been designed specifically for applications that call for uniform distribution of light, high efficiency and low procurement costs. The main ...

Recently, Qualcomm has utilized intelligent LED lighting to illuminate e-paper screens at CES On The Hill. The new Qualcomm mirasol model has an embedded front light. That basically integrates one of those clip-on LED reading lights you see for Amazon’s Kindle and other ereaders, allowing you to read them in the dark. In contrast to a clip-on, Qualcomm’s system more evenly illuminates the full display, and of course doesn’t extend from the body of the ereader itself. Compared with the two mirasol prototypes, new on the left, old on the right. ...

“Brilliant-Mix” LED concept for warm white feel-good light Warm white light with a high luminous efficacy (110 lm/W) and a color rendering index (CRI) of more than 90 are the result of the new “Brilliant-Mix” concept from OSRAM Opto Semiconductors. The intelligent color mix based on powerful OSLON SSL LEDs in EQ-White and Amber covers a broad white spectrum from 2700 to 4000 K. Depending on the required luminous flux, a different number of these LEDs can be combined to produce warm white feel-good light of high quality that w...

Cree is announced to make a breakthrough on the record of 231 lumens per watt for a white power LED. With a single-die component at a correlated color temperature of 4500 K and standard room temperature 350 mA testing, 231 lumens per watt for a white power LED is acheieved. It is a significant advance beyond Cree’s previous industry record which 200 lumens per watt was considered the theoretical maximum efficiency for a lighting-class LED in 2010 and further demonstrates how Cree’s relentless innovation continues to push the boundaries of what is possible wi...

1.9 meter integrating sphere for measuring total radiant power and luminous flux The ISP 2000 from Instrument Systems is the latest pioneering development launched by the leading manufacturer of light measurement systems worldwide. This integrating sphere has been specifically designed with a diameter of 1.9 meters to facilitate precise measurement of total radiant power and luminous flux at lamps, luminaires and large LED modules. The ISP 2000 is the largest member of the well-established family of premium integrating spheres produced by Instrument Systems. It incorpo...

Philips Lumileds has introduced new lighting solution for its LUXEON LEDs, which supplies an approach to efficient, high quality illumination with white as well as royal blue LEDs for remote phosphor solutions. Illumination Grade LUXEON LEDs providing high quality illumination in white light by a broad selection of CRI and CCT combinations, high efficacy at operating temperatures (Tj 85°C), superior light output at operating temperatures, uniform color throughout the beam, LED to LED consistency, minimal or no color shift at operating conditions,...

Recently, Michigan-based LED manufacturer Relume Technologies launches its new Ecovista billboard fixture during the 2011 OAAA/TAB National Convention & Trade Show in Miami. It consumes 65 percent less energy than today’s most widely adopted high-intensity discharge (HID) sources of billboard lighting. On a traditional 14’ X 48’ billboard, six Ecovista fixtures, consume less than 600 Watts, compared to the 890-1780 Watts that are required by traditional lighting. Ecovista performs less energy and offers the same benefits of Relume&rs...

According to OSRAM Opto Semiconductors , it has released a new section within its LED Light Site www.ledlight.osram-os.com - "LED Fundamentals," which is dedicated to providing instruction and educational tutorials on a range of subjects from LED lighting applications to LED system design considerations, and with a special focus on engineering discipline for thermal, optical and electrical applications. LED Fundamentals is an expansion of OSRAM Opto's existing LED Light Site, which serves as the leading source of LED information, reso...

It’s reported that Dr. Margaret Naeser from Boston University School of Medicine and colleagues from Massachusetts General Hospital and Harvard-MIT Division of Health Sciences and Technology, has developed LED therapy to treat patients with traumatic brain injury (TBI). The phototherapy technique delivers red and near-infrared light energy to improve cellular metabolism which offers physiological benefits. With daily use of LEDs on the scalp and forehead, improvement was noticed in the cognitive functioning and it also showed reduction in the post-traum...

ewo, a manufacturer of high-quality lighting systems for public areas, has implemented the “T-System” high mast system with LED technology for the illumination of the 90,000 m²-large “Molo di Ponente” port terminal in Venice, Italy. The project, commissioned by the port administrative authority of Venice, was carried out in cooperation with the planning office TiFS Ingegneria and stands out with its sustainable concept and clearly reduced expenditure on energy and maintenance. The concept of “T-System” is based upon a modular form...

Peak values right on the Planckian curve OSRAM Opto Semiconductors has set a new laboratory record of 142 lm/W for the efficiency of a warm white LED light source. With a correlated color temperature (CCT) of 2755 K the LED achieves a good color rendering index (CRI) of 81. Measurements were taken under standard conditions: room temperature and pulsed mode at an operating current density of 350 mA/mm². Bright warm white light with high efficiency is particularly important for lighting applications in the residential sector. The laboratory setup for a wa...

Leedarson, a Chinese maker of lighting and LED bulbs, based in Xiamen, Fujian province, is reported to utilize injection molding to replace metal components in the heat sinks of some of its LED bulbs, a switch it says will give it more design and production flexibility. According to the company, it has made a breakthrough on moving from aluminum heat sinks, which require stamping, casting and secondary finishing, to heat sinks using a compound from SABIC Innovative Plastics US LLC, which will improve design and provide heat-stable white color without needing secondary ...

Recently, Barco has been proudly showcased its first 2Kx2K main display with replaceable LED backlights for Air Traffic Control at ATC Global 2011, from 8 to 10 March 2011. The 2Kx2K LCD display is capable of saving up to 20% power while offering a standard stabilized brightness of 240 cd/m² and remaining dimmable to 3 cd/m², resulting in enhanced user comfort in both dark and natural light environments. The display features an open system environment and has been improved with an additional level of redundancy, as it comprises four independent trays wit...

Bridgelux  has made a breakthrough on the 135 Lumens per Watt GaN-on-Silicon based LED Technology, which marks the industry's first commercial grade performance for a Silicon-based LED. The 135 Lumen per Watt performance was achieved at a CCT of 4730K using a single 1.5mm power LED operated at 350mA. These LEDs operate just 2.90V at 350mA and < 3.25V at 1 Amp. Optimization of the epitaxy process on 8-inch Si wafers will make LED manufacturing compatible with existing automated semiconductor lines. It’s said that the company will ...

Lately, the NASA technology has utilized LED technology (turned medical device) in the Bone Marrow Transplant and Cellular Unit at a hospital at the University of Alabama. This technology is being used to ease the pain of mouth and throat sores, common side effects of chemotherapy and radiation treatment. According to NASA, a far red/near infrared Light Emitting Diode treatment called High Emissivity Aluminiferous Luminescent Substrate has been given to ease the pain of cancer patients. With a system called Warp 75, the LEDs release energy in the for...

Sharp's new 10W Mini Zeni series radiates with even more efficiency, whilst retaining very good light quality (CRI values of up to 87) and a long service life with its compact and cost-effective design.  

Ledzworld Technology, an innovative R&D and manufacturing company of high-end LED retro-fit lamps for professional users, launches its new LED retrofit MR16 , a low power-consumption 6.5W LED lamp that produces an industry- leading high output of 450 Lumen. The lamp has an efficacy of >70 Lumen/W at a colour temperature of 3000K.  

Kyma Technologies Inc of Raleigh, NC, USA, has made a breakthrough on its new high-volume AlN template manufacturing tool by producing what is said to be the world’s first 300mm (12-inch) diameter AlN-on-silicon template for GaN. It claims that its process is the first that is capable of direct insertion into existing LED and power device production processes that grow GaN and related alloys such as InGaN and AlGaN. The new AlN template tool was designed and constructed by chief engineer Dr Bob Metzger, and it was incorporates many of the features...

First Open Market 3D-capable Timing Controller plus LED Backlighting Solution on Display Microsemi Corporation (Nasdaq:MSCC), a leading provider of semiconductor technology aimed at building a smart, secure, connected world, today announced participation at the 2011 International IC-China Conference and Exhibition (IIC China) in Shenzhen, China, February 24-26. Microsemi will have technical experts and sales team members onsite demonstrating LED backlight, motor control and Power over Ethernet (PoE) solutions. IIC China is the country’s la...

For indoor and outdoor applications, FormoLight Technologies, one of the major Taiwan-based display manufacturers, has developed a high-performance LED video display with superior qualities. An LED solution developed by OSRAM Opto Semiconductors ensures brilliant colors and sharp contrasts: particularly compact Multi CHIPLEDs produce impressive high-quality images.  

Monocrystal, a leading manufacturer of electronic materials for LED and solar industries, announced today shipment of its premium 8-inch C-plane epi-ready sapphire substrates to one of the world’s leading LED manufacturers. It was almost a recent discussion of LED industry players and experts concerning the possibilities for the industry of employing larger than 2-inch sapphire substrates for LED production.

New Bridgelux LED Arrays Double Light Output of Today’s Commercially Available LED Products New Portfolio Additions Deliver 3500 to 8000 Lumen Output Arrays Bridgelux Inc., a leading developer and manufacturer of LED lighting technologies and solutions, today announced the expansion of its award-winning RS LED Array portfolio to include the industry’s highest performance LED products designed for very high lumen applications such as retail shop lighting, high-bay, roadway, exterior area and industrial lighting applications. Shatterin...

Rubicon Technology, Inc. (NASDAQ:RBCN), a leading provider of sapphire substrates and products to the LED, RFIC, Semiconductor, and Optical industries, announced the production of 12-inch polished wafers, the largest high-quality, sapphire wafer ready for production of LEDs (light emitting diodes). Rubicon now offers a complete range of high quality sapphire substrates including two-, three- and four- inch core, and six-, eight- and 12-inch wafers.  

It’s reported that Daktronics Inc. will supply a LED video display to Major League Baseball's Philadelphia Phillies. The LED video display has high-definition clarity and be much larger than the former video display at Citizens Bank Park. It will measure 76 feet high and 97 feet wide, totaling 7,372 square feet of digital space. The LED display will show video with up to 1512 lines of resolution, using Daktronics HD-15 technology. In addition, the display will provide wide-angle viewing for better visibility for more fans, increased contrast and ...

Based on its recent analysis of the automotive light-emitting diodes (LED) market, Frost & Sullivan recognizes Philips Lumileds with the 2010 Global Frost & Sullivan Award for Technology Innovation of the Year for being a major factor driving the advance of improved lighting technologies for the global auto industry.

Lately, a company called LVX has installed its first ceiling based optical communication systems to transmit data in government offices located in St. Cloud, Minnesota.   These lighting systems use special LED lights that have the capability of transferring data by oscillating their luminescence. Special modems attached to computers below the lights can pick up this light data, much like computers now pick up Wi-Fi using wireless network devices. But don’t expect offices to be lit up like raves. The oscillation of light is so fast that the human eye can’t r...