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Commentary: What Hath Our IoT Lighting Doth Wrought?
 
... Last time around, "News Staff" offered some tie-together insights on why we might expect lighting to find itself at as the eyes and ears of the IoT. Makes sense. It has a good view of the space, constant electricity (and if not, it's a pretty correctable decision), and we're...

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LED Engin's LuxiGen Emitters now Available Through Digi-Key
LIGHTimes News Staff

February 26, 2015...LED Engin, a San Jose-based producer of high flux density LED emitters and secondary lenses, reported that it has signed a distribution agreement with Digi-Key, a seller of electronic components. LED Engin's LuxiGen emitters and secondary optics will be available through Digi-Key's global websites.

The company asserts that the high-power LuxiGen emitters offer high efficacy and flux along with superior color stability and lumen performance. The emitters have what the company says are ultra-efficient and uniform optics. According to LED Engin, LuxiGen's patented ceramic package enables the lowest thermal resistance per package area. Additionally, the emitters have an extremely wide range of power inputs from 3 W to 90 W and a wide selection of colors from UV 365 nm to infrared 940 nm. LuxiGen multi-chip packages are also available in multi-color/wavelength options including RGBW, RGBA, UV, and Dental Blue. Each die is individually addressable. The company also offers a suite of complementary total internal reflection (TIR) lenses for the emitters in Narrow Spot to Wide Flood beam.

President and CEO of LED Engin, David Tahmassebi, said, "Through this agreement, hundreds of thousands of design engineers and purchasers around the world now have access to LED Engin products. Digi-Key is a customer-focused company that ranks highly in industry surveys for its product availability, rapid order fulfillment and responsive service. This means faster access to our class-leading emitters and optics."

Digi-Key is said to be one of the world's largest and fastest-growing distributors of electronic components. Digi-Key stocks more than one million parts from 650 different suppliers and ships about 15,000 orders per day with a 99 percent same-day shipment rate.

Ira Suko, director of semiconductor product at Digi-Key, said, "LED Engin has created very high-quality LEDs in minuscule packages thanks to the company's extensive technical expertise in thermal management and other award-winning techniques. Our customers now have access to the most advanced LED packaging technology, emitters and light source modules available in the market."

Cree’s New CXA2 LED Arrays Boast System Cost Savings of up to 60 Percent
LIGHTimes News Staff

February 17, 2015...Durham, North Carolina-based Cree, Inc. has added the CXA2 to its CXA LED array family. Cree says that in the same form factor, the CXA2 provides up to 33 percent higher efficacy. The improvement in lumen density reportedly comes from Cree's SC5 Technology Platform, which Cree claims reduces system size and cost. The new chip-on-board (COB) LED arrays are suited for applications including downlight, track, and outdoor lighting.

“We are working together with Cree to evaluate their latest COB technology,” said Massimo Parravicini, R&D director of Reggiani Illuminazione. “I believe that the new CXA2 LED arrays, which deliver excellent performance in such small LES [light emitting surface], would be a great solution for the new generation of indoor luminaires we are currently developing.”

Cree points out that with the new CXA2 LED arrays, lighting manufacturers can achieve the same or better performance with a smaller light emitting surface (LES) compared to earlier products. For example, a 3800 lumen output from a larger 19 mm LES LED can be replaced with a smaller 12 mm LES LED. According to Cree, the smaller LES results in up to 60 percent system cost savings through lower LED heat sink, mechanical, and optical material costs.

“The new CXA2 LED arrays make it possible for lighting designers to radically reduce system costs in the next generation of industry-leading lighting products," said Dave Emerson, vice president and general manager for Cree LEDs. "By giving our customers innovative LED solutions instead of incremental LED improvements, we enable them to differentiate their products in the marketplace and deliver more value to their end customers.”

CXA2 LED arrays share the same physical design as earlier arrays, allowing lighting manufacturers to use the existing electrical, mechanical, and optical components to reduce time to market without additional cost. LM-80 data is available for all CXA2 LED arrays for lighting manufacturers seeking ENERGY STAR® qualification. The CXA2 LED arrays are also UL®-recognized components and feature a level 4 rating.

Through improvements in the light conversion process, Cree has reduced LED-to-LED color variations. Among other options, the CXA2 LED arrays come in 2-step and 3-step EasyWhite® bins with correlated color temperatures of 2700K to 6500K and color rendering index (CRI) options of 70, 80, and 90. The arrays also come with multiple voltage options in LES from 6-30mm with a lumen output from 250 to 19,000 lumens.

Cree is offering product samples now, and production quantities are available with standard lead times.

Toshiba Launches High Luminous Efficacy Power White LEDs
LIGHTimes News Staff

February 5, 2015...Toshiba Corporation’s Semiconductor & Storage Products Company launched a new series of high luminous efficacy GaN-on-Si white LEDs. Toshiba bins the LEDs at 85℃. The series of LEDs achieves an a luminous flux surpassing 160lm. Mass production of the 3.5 x 3.5mm lens-package, "TL1L4 series," started wednesday.

The new 5000K version of the "TL1L4 series" achieves high luminous flux of 160lm/W (typ.) at room temperature. At 85℃, operating current can be driven to 1A, and the luminous flux is improved by more than 60% over Toshiba’s current "TL1L3 series." The 2700K version of the new series delivers 130 lumens at 350mA. The series has a maximum forward current of 1.5nm and an Ra of 70. They are housed in a 3.5 mm by 3.5 mm lensed package.

Amerlux Upgrades Hornet High Power A-14 LED Light Engine
SSL Design News Staff

February 3, 2015...Amerlux® has upgraded the performance of the reliable and efficient Hornet HP A14 LED Engine. The company says that the update to Hornet HP-A14 LED offers better lumen maintenance and more consistent color rendering compared to available integrated LED lamps. Also the company increased the lifespan, and enhanced control and dimmability. According to recent standard LM70 testing of the 18-watt model at a 3000K CCT, the Hornet HP A-14 LED Light Engine with spot distribution has greatly improved its the lumen output to 1369 and its lumens per watt increased to 75lm/W (both 18 percent improvements). The CBCP also increased 20 percent to more than 12,200 CBCP.

"The new and improved version of our Hornet HP LED offers impressive value as it has been substantially upgraded with significant increases in output, efficiencies and quality, without increasing price points," explained Chuck Campagna, CEO and President of Amerlux. "These technology advancements will generate a substantial impact and incremental benefits on a wide range of upcoming commercial projects. Our latest Hornet LED light engine is the ideal solution that delivers energy saving lighting more efficiently than its halogen and metal halide counterparts, as well as other LED alternatives on the market today."

L70 is rated at 50,000 hours, which is more than 10-15 times longer than halogen and more than three times the life of 20-watt ceramic metal halide fixture. This gives the light engine lower operating and maintenance costs with greater energy savings and better lumen maintenance over its life.

The light engine uses LEDs tightly binned to 3 macAdam elipses to minimize fixture to fixture color variations, the Hornet HP deploys CCTs ranging from warm 2200K to cool 4000K and CRIs of up to 90-plus that provide consistent beams free of striations projected heat, and UV/IR radiation, making it optimal for lighting color or heat sensitive merchandise.

The company offers die-cast aluminum constructed fixtures with no exposed wiring in Spot, Flood, Wide Flood and Linear Spread light distributions. A proprietary engineered heat sink and optical housing combine conduction, convection and radiation elements for optimal passive cooling and superior thermal management, to maximize luminaire life.

The luminaires offer vertical tilt (0 to 90 degrees) and 360-degree rotation for precise aiming. The fixtures are available with adapters designed for one-, two- and three-circuits. They have an electronic constant current LED driver and can be mounted to a variety of 120-, 240- and 277-volt track systems as well as on busways and canopies throughout North America and globally.

Accessories include a Double Bezel, which accommodates up to two forms of media; and a one-inch die cast aluminum Frontal Snoot, which accepts up to two forms of media. Media cartridges include the Hexcel Louver, Spread Lenses, Color Filters and Cross Blade for better glare control and cut-off for special effects.

Standard finishes include Black Texture, White Texture, and Silver Texture, in addition to custom color options with over 200 durable powder coat painted finishes from Amerlux's palette, to complement virtually any design.

All Hornet HP LED products are backed by a five-year limited warranty. Hornet High Power LED Track, Semi-Recessed and Recessed Fixtures are CCC (China Compulsory Certification) and CE (Conformite Europeenee) listed. LM79 and LM80 reports are available, as well as IES reports.

Flip Chip Opto Debuts Three-pad LED flip Chips
LIGHTimes News Staff

January 29, 2015...Flip Chip Opto of Fremont, California USA,, announced its new P Series of LED Chip-on-Board (COB) products. The lighting modules are comprised of the company's patented 3-Pad LED flip chips with what the company calls a Pillar Metal Core Printed Circuit Board (P-MCPCB) to significantly reduce junction temperatures, thermal decay and light emitting surface (LES).

According to the company, the innovation allows designers to improve “Lumen-per-Dollar” performance by enabling the driving of the modules at substantially higher currents, thereby reducing LED chip counts, heatsinks and optics.

The P-Series chips measure 45x45 mils and feature high flux density in small LES ranging from 9~30mm, supporting 24 to 244 watt power ranges (with customized CCT/CRI available upon request). The high "lumen-per-dollar" and low thermal resistance (0.02°C/W to 0.11°C/W) reportedly make the P-Series COB solutions perfect for high power luminaires, including spotlights, high bays, down lights, street lights, and automotive lighting. The company designed the modules to fit existing and inexpensive mechanical holders, optics, drivers, and thermal components for integration into existing packages.

The P25-12S3P (19mm LES / 122 Watt COB) is available for under $10.00 (US) in OEM quantities. Evaluation quantities are available for immediate delivery with standard lead times of 4 weeks. Flip Chip Opto will demonstrate its products at Strategies in Light 2015, February 24th and 26th, 2015 in Las Vegas.

Azerbaijan to Mass Produce LEDs with Help of LG
LIGHTimes News Staff

January 22, 2015...The country of Azerbaijan plans to develop LED chip production domestically with the help of LG, according to an article in Azernews. Azerbaijan’s State Fund for Development of Information Technologies reported that it plans to finance the development of LED production in 2015. Over $7 million will go towards working on the technology of developing LED chips based on thin layers.

The LED technologies are expected to be used for street lighting in the capital, as well as other street, decorative, general, and architectural lighting applications. The Azerbaijani Research Center for High Technologies will collaborate South Korea’s LG Company on the commercial venture. After meeting the country’s LED lighting needs, the technologies will be exported internationally. The HiTech Park is to be the location of LED chip mass production.

Cree Debuts XLamp MH Family of Ceramic COB LEDs
LIGHTimes News Staff

January 22, 2015...Cree has introduced the new XLamp mid-power high lumen density (MH) family of chip-on-board (COB) LEDs. The Durham, North Carolina company announced the first members of the family, the MHD-E and MHD-G. Both offer high lumen density and the reliability of a ceramic chip-on-board LED and a surface-mount package. The LEDs employ elements of the Cree SC5 Technology™ Platform. Cree says that the MH family enables superior performance with new designs and significantly lower system costs.

“The high lumen output and high reliability of Cree’s new MHD-G LED allows us to develop a new downlight that outperforms other downlights in the market,” said Baly Luo, general manager, Aeon Lighting Technology. “ALT’s compact-size, 4-inch downlight that is built with the MHD-G LED generates over 1,800 lumens at 3000 K while other downlights can only produce 800 to 1000 lumens.”

The LEDs offer the Cree EasyWhite® technology in a 7-mm x 7-mm package, XLamp MH LEDs allow a smaller board size, tighter beam angle and a more traditional appearance than conventional mid-power LEDs. Delivering more than 1800 lumens at 14 W and 2500 lumens at 19 W respectively, the XLamp MHD-E and MHD-G LEDs are perfect for high-lumen, semi-directional applications such as high-bays, downlights, and outdoor area applications.

“At Cree, we continue to deliver innovative products that give our customers a competitive edge in the marketplace,” said Paul Thieken, Cree director of marketing, LED Components. “With the MHD LEDs, we’re offering chip-on-board performance to lighting manufacturers that prefer surface-mount technology, making it easier for them to achieve lower system cost than with the same commoditized mid-power LEDs that everyone is using.”

Cree XLamp MHD-E and MHD-G LEDs come in 2700 K – 6500 K correlated color temperatures with high-CRI and multiple voltage options. Samples are available, and production quantities are available with standard lead times.

Cree Makes Extreme High Power XHP LEDs Commercially Available
LIGHTimes News Staff

December 19, 2014...Durham, North Carolina-based Cree, Inc. announced the commercial availability of XLamp® Extreme High Power (XHP) LEDs. The company introduced the XHP LEDs in October. The company claims that the XHP LEDs are a new class of LEDs that enable a system cost reduction of up to 40 percent for lighting applications. The XLamp XHP50 and XHP70 LEDs, which are powered by Cree’s SC5 Technology™ Platform, boast twice the lumen output and improved reliability compared to previous LEDs of the same size.

The XLamp XHP50 and XHP70 LEDs deliver up to 2546 lumens at 19 watts from a 5.0 x 5.0 mm package and up to 4022 lumens at 32 watts from a 7.0 x 7.0 mm package, respectively. Improvements in the light conversion process has reportedly helped Cree reduce LED-to-LED color variations. XHP LEDs come in 2-step and 3-step EasyWhite® bins for 3500K through 2700K in 80 and 90 CRI. The XHP LEDs allow manufacturers to choose either 6 V or 12 V configurations from the same LED through the solder pad design on the circuit board.

“Cree’s new technology is game-changing compared to the incremental advances of other LED suppliers. The breakthrough performance of XHP LEDs enables both new design possibilities and dramatically lower system costs for LED lighting,” said Nate Heiking, Advanced Lighting product manager, Kenall Lighting. “We’re excited that Cree’s new class of Extreme High Power LEDs will accelerate customer adoption of LED lighting.”

Cree contends that its XHP LEDs allow lighting manufacturers to dramatically reduce the size and cost of their lighting systems using fewer, more reliable LEDs to achieve the same brightness. According to Cree, designs with XHP LEDs enable new lighting designs that require smaller housing, a smaller printed circuit board, and fewer optics. Cree asserts that XHP LEDs also achieve longer lifetimes even at higher operating temperatures and currents than previous LED technology, allowing a smaller sink and reducing cost without impacting the rated lifetime.

Cree says other cost reductions on a system level are possible with its XHP LEDs. In roadway and outdoor area lighting, XHP LEDs enable a radically smaller and lighter luminaire that requires a less expensive pole. According to Cree, similar dramatic cost savings compared to existing solutions are possible in a wide range of lighting applications, including stadium, track, and high bay.

“Cree’s new Extreme High Power LEDs demonstrate our belief that high-power LEDs are what will drive the industry towards the next generation of lighting system designs,” said Dave Emerson, vice president and general manager for Cree LEDs. “Leveraging our groundbreaking SC5 Technology™ Platform, Cree’s new XHP LEDs deliver not only exceptional performance, but also enable up to 40 percent system level cost reductions.”

Samples of both XLamp XHP50 and XHP70 are available now, and production quantities are available with standard lead times.

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