Osram Sylvania Brings Convenience to LED Task Lighting
Osram Sylvania is proud to introduce the LinearLight Slim. This new innovation in LED lighting provides a complete solution to a variety of task and accent lighting applications. It combines a high brightness, high efficiency LED module with a fixture and power supply for optimal performance and convenience.
The LinearLight Slim contains six Dragon LEDs providing a high power, quality light source. The LEDs are available in three colors: 3,300 K, 4,100 K and 5,400 K and have a 120º viewing angle. With outer fixture dimensions of 6.15 mm by 15.61 mm, the LinearLight Slim offers a low profile and low visibility.
The LinearLight Slim offers a “Plug & Play” connection. Up to six modules can be connected in a series, using the simple LinearLight Slim board-to-board and power feed connector systems. Each board accepts connectors at either end. The system does not require additional equipment outside of a normal power supply. The system can support up to five feet of modules. Each module is equipped with fuse for short circuit and overload protection. In addition, the LinearLight Slim is dimmable by using pulse width modulation.
As a “Plug & Play” connection system, the LinearLight Slim installs easily into accent lighting, cove lighting, decorative and theatrical/entertainment applications. The modules demonstrate a far superior efficacy than conventional light sources to date. With better efficacy than incandescent or tungsten halogen light sources, the Sylvania LinearLight Slim has an average rated service life up to 50,000 hours when temperature at the Tc point is maintained at 40°C. This translates to better color consistency and greater flexibility in selecting the appropriate white light for a specific application.
The LinearLight Slim is RoHS (Reduction of Hazardous Substances) compliant, meaning it passes regulations for hazardous materials, assuring environmental responsibility. The product is also UL listed. The LinearLight Slim is well suited for operation on Osram Optotronic 24v DC power supplies.
Leadis Technology Releases a New Family of Inductorless 200 mA, Dual Output LED Flash/Lamp Drivers
Leadis Technology, Inc. has released sample availability of the LDS8620 and the LDS8621 -- a new family of inductorless 200 mA, dual-output LED flash/lamp drivers, in low-profile (0.8 mm), space-saving 3 by 3 mm TQFN packages.
"With the LDS8620 and the LDS8621, Leadis continues to expand its charge-pump-based product portfolio by addressing fast-growing markets in portable LED lighting applications," said Adolfo Garcia, senior director of LED Drivers for Leadis Technology. "Some examples of portable lighting applications include LED flashlights, flash/lamp LEDs in video and camera cellphones, PDAs, smartphones and digital cameras."
Consistent with providing high-quality, cost-effective solutions for the market, Leadis has joined with Seoul Semiconductor, a recognized developer and market leader of high-current, high-brightness white and RGB LEDs. "We enthusiastically recommend that our customers use Seoul Semiconductor's flash LEDs, especially the FCW301Z (in single flash LED applications) with our LDS8620 or the LDS8621," Garcia continued. "The multi-mode architecture of the LDS8620/21's inductorless boost converter with their LED's low and stable VF (forward LED voltage) and its high luminous intensity combine to produce a very high-performance, high-efficiency solution."
"We are pleased that Leadis has chosen to recommend our flash LEDs, especially the FCW301Z, with their LDS8620 and LDS8621 LED flash/lamp driver ICs. Leadis is proving to be a valuable partner with innovative LED driver solutions to complement our high-current, high-brightness LEDs," said Daniel Park, PR manager of Seoul Semiconductor.
The LDS8620 and the LDS8621 are not only optimized for portable lighting applications powered by Li-ion/polymer batteries. They operate efficiently from single Li/MnO2 batteries, from 3 AA dry cell batteries, and from fixed power supplies up to 5.5 V. To achieve up to 95 percent efficient operation, both products implement a multi-mode boost converter that automatically switches from 1x to 1.33x to 1.5x to 2x to maintain regulated LED current, in torch or full-flash mode. External component count is kept to a minimum (two, low-cost 0.22 µF switching capacitors and two, 1 µF bypass capacitors) because LED flash current is factory preset to 96 mA per output. The LDS8620 and the LDS8621 also incorporate Leadis' proprietary, ultra low voltage dropout PowerLite Current Regulator (PCR) technology which allows the inductorless boost converter to remain in 1x operating mode longer, extending battery run time.
Production availability of the LDS8620 and the LDS8621 is scheduled for Q3 2008.
Cost-savings and Compact ZEISS Stereomicroscope with LED illumination
Carl Zeiss enhances the performance of its Stemi DV4 stereomicroscope with a new illumination system. The Stemi DV4 on the C LED stand features integrated LED illumination units for reflected light, transmitted light and mixed light. The LEDs provide excellent light intensity with low power consumption and a long service life of the illumination system (approx. 25,000 operating hours). Thanks to white light illumination in daylight quality, the objects are visualized in high contrast and natural colors. To protect the specimen from exposure to heat, the LED light doesn’t contain infrared wavelengths.
These benefits of the Stemi DV4 on the C LED stand are particularly important when 3D observation of small objects is required in high quality and at higher magnifications, e.g. at routine workstations in biomedical laboratories, in industrial production and quality inspection, and for training in schools and scientific institutions.
Compared to the previous halogen illumination system, the C LED stand offers brighter and more homogeneous illumination of the object field – with considerably lower costs as power consumption has been halved and the long service life of the LED systems makes bulb replacement unnecessary.
The C LED stand provides the well-known, time-tested benefits of the Stemi DV4, such as 4:1 zoom range, standard magnification range of 8x to 32x and a 92 mm working distance. The Stemi DV4 offers the best optical quality in this class of stereomicroscopes thanks to mechanically corrected zoom optics, parfocal and distortion-free imaging up to the edge of the object field and eyepieces that can be adjusted on both sides. Attachment systems enable magnifications down to 5x or up to 64x and enhanced resolution. Additional benefits of the Stemi DV4 on the C LED stand include the out-of-the-box design featuring illumination in reflected/ transmitted/ mixed light and the possibility of flexibly upgrading the system with various accessories such as transmitted-light darkfield equipment or an eyepiece measuring device.
The Stemi DV4 stereomicroscope on the C LED stand permits the use of digital photo or video cameras via an eyepiece adapter. AxioVision software from Carl Zeiss is also available for image capture and evaluation.
Optek’s Power Line Design Kit Provides Flexible, Scalable LED Lighting Solution
Providing design engineers with a complete solid state lighting solution, TT electronics Optek Technology has developed the Power Line design kit. Designated the OVPL5W3K series, the kit includes FR4 PC boards populated with three 0.5-watt white LEDs, along with a wire harness with connector and a hand insertion tool. With the addition of a 15-volt power supply, the Power Line Kit is a total lighting solution.
"As a flexible and scalable lighting solution providing high luminous flux with no additional heatsink requirements, the kit enables lighting designers to configure LED placement for uniform illumination in any lighting application," said Alan Bennett, vice president of sales and marketing for Optek Technology.
Typical applications for the Power Line kit include architectural accent lighting, under-counter lighting, media illumination, large channel-letter lighting, light box backlighting and point-of-sale displays.
The Power Line design kit consists of five PC boards measuring 8 inches by 7/16 inches. Each board features three 0.5 W white LEDs with a viewing angle of 120°, typical CCT of 5,000 K and typical luminous flux of 50 lm per board at 15 V (125 mA per board). Additional individual board assemblies are available (Optek part number OPA733).
Rohm’s High-Efficiency Isolated Driver Modules Optimized for High-Intensity LEDs 
Rohm Electronics has introduced AC/DC-isolated LED driver modules utilizing constant-current circuits optimized for driving LEDs. The BP58xx series integrates all required LED-driving control circuits, switching elements, isolation transformers and constant-current circuits into a single SIP package. The result is an all-in-one solution that increases power-conversion efficiency in a broad range of illumination/lighting applications, including theater, landscape, residential, commercial and emergency lighting. The two new AC/DC isolated driver modules’ constant-current output and adjustable brightness control offer designers a highly accurate, high-performance device for simplifying designs while saving valuable board space.
Key features of the BP58xx series include: constant-current output optimized for driving LEDs (current set via external resistor); minimal ambient temperature-based, constant current fluctuation (±1 percent accuracy); industry’s highest power-conversion efficiency of 85 percent (2 to 8 percent improvement over conventional discrete solution); isolated AC/DC Circuit
Compact SIP11 package with built-in switching transformer (32.9 mm by 25.0 mm by 15.1 mm max).
The BP58xx series was developed using energy-saving technologies culled from AC/DC converter designs. Unlike discrete solutions, these modules integrate all the necessary functionality for driving LEDs, making it possible to configure power supply circuits using fewer external components, thus reducing parts count and unnecessary cost. These ROHS-compliant modules offer pin-compatibility with a wide range of products to enable easy modification based on each specification as well as adjustable constant-current isolation of 150 to 1,000 mA to enhance design flexibility.
“Rohm’s BP58xx series LED driver modules mark an industry milestone for simplifying AC to DC output in high-power LED designs compared with previously available solutions,” said Avi Elmaleh, field application engineer for Rohm Electronics. “Now designers have an easy-to-use and cost-effective alternative to discrete solutions when implementing their lighting and illumination applications.”
Pricing for each is $4.50 for 25,000 pieces. Samples are now available with delivery in 12 to 14 weeks, ARO.
Osram Opto Semiconductors Introduces the New High Brightness Ceramos Reflector LED
The new Ceramos Reflector LED from Osram Opto Semiconductors provides unprecedented high brightness and power in a very small package, a suitable solution for backlighting mid-size (5 inch to 20 inch) LCDs. Specifically designed for light guide-based backlighting of displays in high ambient light conditions, such as those found in today’s TFT displays, automotive dashboards and aircraft cockpits, the slim profile of the Ceramos Reflector LED is well suited for in-coupling into light guides as thin as 2 mm. This feature also makes the LED suitable for edge lighting for LCD TVs and monitors.
The Ceramos Reflector LED is powered by Osram's patented ThinGaN LED technology, which enables it to operate at a high level of optical efficiency – 70 lumens per watt at 80 mA. Ceramos delivers a long life of 50,000 hours and its SMD ceramic package enables excellent performance at high operating temperatures (up to 150°C), and is compatible with standard surface mount processes.
The slim, compact package dimensions (2.3 by 3.2 by 0.8 mm) facilitate integration into small display designs, and the oval out-coupling window allows for use in thinner light guides. Mercury-free and RoHS-compliant, the new Ceramos Reflector LED is a possible solution for light guide backlighting.
“As more display manufacturers look for an eco-friendly alternative to CCFL backlighting, the Ceramos Reflector LED offers excellent efficiencies in brightness, lifetime and power savings in a compact package well suited for back lighting applications,” said Ellen Sizemore, director, LED/IR marketing, Osram Opto Semiconductors, Inc.
In addition to display backlighting, the Ceramos Reflector LED can be used for camera flash and strobe lighting; reading lamps in aircraft, cars and buses; decorative and entertainment lighting; and signage or marker lights.
Ushio Releases the Synergy LED MR-16
Synergy, by Ushio, is the world’s most efficient, longest life MR-16 lamp ever manufactured. Synergy is the ultimate combination of proprietary LED packaging technology, a patented optical system, premium thermal management and a highly efficient electronic design.
Synergy’s breakthrough technology allows this 4 watt LED MR-16 to directly replace 20 to 25 W halogen MR-16s.
Rated at 50,000 hours, Synergy has a true life rating of more than 10 times that of standard MR-16 lamps on the market today. It’s easy to see why Synergy is the lighting designers’ first choice for those applications where frequency of lamp changes and cost of ownership are significant factors. Synergy LED MR-16 lamps are also fully dimmable, RoHS compliant and emit no harmful UV or IR like standard halogen MR16s.
Synergy MR-16 lamps are available in spot (12°), narrow flood (24°), flood (34°) and wide flood (50°) beam spreads. Warm white, neutral white and daylight color temperatures are available to satisfy the requirements for nearly every application.
GE's First Outdoor LED Area Light Out Saves, Outlasts HID Systems 
The GE outdoor LED area light from GE Lighting Systems, Inc. is the first of many outdoor LED lighting systems the company will debut starting in 2008. It provides up to 60 percent energy savings, longer life and significantly improved light-level uniformity compared with traditional HID lamp sources and optical systems, such as a standard 400-watt quartz metal halide system.
High performance LED systems from Lumination, LLC, also a GE Consumer & Industrial business, enable the GE LED outdoor area light to deliver excellent system and application efficiency with up to four times the recommended service interval of standard HID systems, a 50,000-hour planned service interval for the GE outdoor LED area light compared with a 20,000-hour rated life and 14,000-hour recommended re-lamp interval at 70 percent of rated life for a standard 400-watt quartz metal halide system.
"As a global leader in white LED system technology, we're perfecting the GE outdoor LED area light with the aggressiveness that we applied in literally creating the LED refrigerated display case lighting category," said Michael Petras, vice president of electrical distribution and lighting, GE Consumer & Industrial
The GE outdoor LED area light, with its patent-pending optical design, becomes available later this year after significant application analysis and real world testing that's underway.
"We're garnering a lot of attention among retail and municipal customers because they understand the value of our testing rigor, our quality focus, our fixture experience, our optical leadership and GE's LED integration know-how," said Paul Morse, president, GE Lighting Systems.
The addition of outdoor LED lighting systems is a major expansion of GE Lighting Systems' product portfolio.
"Our strategy is always to give customers more choices," said Morse. "We're still innovating and delivering for customers who value traditional systems. LED technology simply provides a path to meet growing market demand for greater energy efficiency and lower lifetime costs."
Experience speaks volumes about longevity
Using LEDs as a reliable, long-term outdoor lighting solution requires consideration of a variety of design and application conditions that differ from traditional magnetic ballast and lamp systems.
The GE outdoor LED area light improves visibility and quality of light versus standard HID systems by providing a comparatively higher color temperature (5500K), a 70+ color-rendering index and a low-glare optical design. It can do all this with lower lumens and considerable energy savings because its advanced optical design leverages the LED characteristics to deliver light precisely where it is intended to go.
The low profile design of the GE outdoor LED area light offers an aesthetically desirable appearance while incorporating clean lines and a reduced effective projected area. Its optics create a more uniform light level for the on-site activities that require light, while reducing off-site glare and light pollution. The luminaire's low glare and high uniformity benefits promote improved performance in security camera operation, since cameras are susceptible to glare sources and work better with a smaller range of scene brightness.
The GE outdoor LED area light's optical system satisfies IESNA Full-Cut-Off criteria, while providing enhanced photometric performance.
Each of the outdoor LED lighting systems that GE will introduce over the next 24 months and beyond will exemplify not only GE quality, reliability and inventiveness, but also GE Lighting Systems' more than 100 years of outdoor lighting experience.
LEDs Designed to Replace Fluorescent Tubes 
ilumisys, Inc., has launched the first product in a series of patented LED tubes, designed to directly replace standard T-8 and T-12 fluorescent tubes. The ilumisys MK1 product uses high brightness LEDs to provide efficient and effective light, and is available in color temperatures ranging from 3500 K to 5000 K, with a variety of optical diffusion options. High brightness LEDs are used in conjunction with well-engineered optics, circuitry, and thermal management to provide
maximum light output with minimum power consumption.
Patented circuitry enables the product to operate in existing fluorescent fixtures, without modifications to the fixtures or ballasts, allowing users to simply remove an existing fluorescent tube and drop in the ilumisys MK1 product. ilumisys LED direct replacements also run directly from 110 VAC or other building line currents as specified.
“This product is the ideal solution to initiate a movement from standard fluorescent lighting to environmentally friendly solid-state lighting,” said Dave Simon, president of ilumisys. “The ilumisys MK1 is an easy one-for-one replacement product. It can be used in the billions of existing installed fluorescent fixtures, across a variety of industries, helping businesses easily transition their operations to SSL without incurring costly infrastructure changes.”
This next generation solid state lighting offers an easy transition from traditional fluorescent lighting, while taking full advantage of attributes of light emitting diodes including long life, temperature robustness, vibration tolerance and energy efficiency.
In addition to providing an energy efficient alternative, unlike the fluorescent tubes they replace, the ilumisys MK1 tubes are mercury-free. The 500 to 600 million fluorescent tubes discarded annually in the United States introduce an estimated two to four tons of mercury to the environment1, despite industry and government efforts to limit mercury content and encourage recycling.
MK1 products are currently available on an installation-specific basis direct from ilumisys. Interested parties should e-mail info@ilumisys.com. The ilumisys technical team will work to specify the right product based on intended use, providing facility-based proposals for improved lighting and energy savings. MK1 tubes will be available through building, design and lighting distributors and retailers in the summer of 2008. |
SEMICON West 2008
