| Aluminum extrusions match SSL thermal management needs in many applications (MAGAZINE)
06 May 13 |
| Steve Jackson explains that design teams working on LED-based lighting products must consider aesthetics, cost, and quality when considering thermal elements of a design, but thermal performance is paramount. |
| Lightfair Innovation Awards recognize LEDs and other SSL enablers 01 May 13 |
| Cooledge and Dow Corning took top spots in the Lightfair Innovation Awards for SSL enabling technologies, winning both individual categories against stiff competition and gaining special recognition from the judges. |
| Philips Lighting claims R&D system efficacy achievement for LED tube 15 Apr 13 |
| Philips Lighting has announced that it realized 200-lm/W performance in an R&D project focused on LED-based replacements for fluorescent tubes. |
| Focus on Thermal at SIL (MAGAZINE) 12 Apr 13 |
| Heat remains the enemy of reliable solid-state lighting (SSL) products. Cooling LEDs ensures that SSL lamps and luminaires provide stable lumen output and color over product lifetime. To get a broad view of thermal design, we surveyed the thermal-related products at the recent Strategies in Light exhibits. |
| LEDiL announces linear street-light LED optics for Osram LEDs 18 Dec 12 |
| The LEDiL Strada 1×6 reflector optic module targets SSL street-light applications using Osram Oslon Square LEDs and delivers a Type III beam pattern. |
| Accurately model LED sources for optimal SSL product designs (MAGAZINE) 17 Dec 12 |
| Mark Nicholson of Radiant Zemax describes how creating a virtual prototype with accurate LED source models is a vital step in delivering SSL products that meet design goals. |
| DOE awards SBIR grants to Applied Nanotech and Universal Display for LED research 08 Nov 12 |
| The US Department of Energy has awarded small business innovation research grants to Applied Nanotech and Universal Display for research on thermal management for LEDs and research on high efficacy WOLEDs respectively. |
| Toshiba introduces new LED luminaires for street and industrial lighting 16 Oct 12 |
| Toshiba has announced the release of two new LED luminaires for street and industrial lighting, the TGT LED Luminaire and the TSL LED Luminaire. |
| RAB lighting rates LED products for 100,000 hours of life 09 Oct 12 |
| SSL luminaire maker relies on IES TM-21 standard for projecting LED life to arrive at 100,000-hr rating for fixtures that equates to 27 years in normal use. |
| Cooper Lighting launches sleek line of outdoor luminaires 07 Sep 12 |
| The Navion LED luminaire is offered in various lumen and optical packages to meet the output and light distribution of different street and area lighting applications. |
| Albeo wins patent for integrating bare LED die directly in fixtures (Updated) 14 Aug 12 |
| Albeo's chip-in-fixture approach holds promise of lower manufacturing costs for SSL troffers, although products are a year or more away. |
| Osram solder pad design enables two different LED types to be accommodated on one board 23 Jul 12 |
| A new uniform and flexible solder-pad design for LED boards enables customers to use two different LED types together, which simplifies second sourcing. |
| RTI’s nanofiber reflector offers 95% reflectance to lighting designers 22 May 12 |
| Researchers at RTI International have developed a nanofiber-based reflector with 95% reflectance, which can be used by lighting designers to improve light distribution in LED luminaires or other fixtures. |
| Semicon West preview: Changing LED manufacturing economics 21 May 12 |
| Despite the remarkable recent strides in LED efficiency and lamp quality, the industry still has some ways to go to enable wide adoption of SSL for general illumination writes Paula Doe. |
| Dow Electronic Materials acquires LED phosphor maker Lightscape Materials 18 May 12 |
| Dow has expanded its portfolio of materials for the LED market with the acquisition of Lightscape’s specialty phosphor technology. |
| Two-phase heat exchangers provide passive cooling for high-power LED light engines (MAGAZINE) 07 May 12 |
| Passive cooling using a finned heat-exchange system provides a lightweight, adaptable and noise-free method to maintain a lower LED operating temperature, writes ABOUDÉ HADDAD. |
| Polycarbonate components simplify LED lamp design (MAGAZINE) 04 May 12 |
| Polycarbonates bring particular optical, thermal and mechanical properties to LED diffusers, lenses, reflectors and housing components, a Bayer MaterialScience team explains. |
| Intematix receives $16.2 million in new funding round
13 Mar 12 |
| Phosphor maker Intematix says it will use the new funding to expand facilities and continue to develop its product range. |
| TIR optics enhance the illuminance on target for directional LED modules (MAGAZINE) 04 Feb 12 |
| Secondary optics using total internal reflection perform better than reflector-based optics for constructing directional LED-based modules, but only if the light-distribution pattern is correctly evaulated, write WU JIANG and KEVIN SCHNEIDER. |
| Mitsubishi Chemical files LED-phosphor lawsuit against Intematix (Update) 30 Dec 11 |
| Mitsubishi Chemical Corporation has filed a patent-infringement lawsuit in Korea against Intematix and a distributor, over red phosphors. Intematix plans a counter-suit. |
| Mentor Graphics addresses thermal modeling and testing for LEDs and luminaires 12 Dec 11 |
| Mentor Graphics has announced a combination of hardware and software products that allows accurate thermal modeling of LEDs and luminaires in the design phase. |
| Cree introduces HV-LEDs, Osram boosts LED light output 31 Oct 11 |
| Cree has introduced high-voltage LEDs for small retrofit lamps and brighter models for halogen replacements while Osram has launched brighter red, orange, and yellow LEDs for applications such as horticultural lighting. |
| WEBCAST: Diagnosing and Solving Thermal Challenges in Next-Generation LEDs 30 Oct 11 |
| This webcast, originally broadcast on November 15, discusses how to meet thermal management challenges in a way that addresses performance, lifetime and cost requirements. |
| Tunable lenses offer compact solution to combine floodlights and spotlights in one product (MAGAZINE) 20 Oct 11 |
| A luminaire’s beam angle can be flexibly adjusted using a tunable-lens technology in which the shape of the lens can be adjusted, as JOERG WERTLI and MICHAEL BUEELER explain.
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| Fusion Optix completes manufacturing upgrade for LED optical components 27 Sep 11 |
| The developer and supplier of optical components and system has made a major investment to upgrade its production equipment, in order to meet increasing OEM demand. |
| Cree announces blue LED and remote-phosphor licensing program 09 Aug 11 |
| Royal Blue XLamp XT-E LED targets remote-phosphor SSL applications, and Cree is offering licenses for its remote phosphor-technology for ready usage by lamp and luminaire vendors. |
| GE funds and licenses Nuventix’s cooling technology 20 Jul 11 |
| GE joined other existing investors to complete a $10 million investment in Nuventix, while also licensing its technology. |
| ESI announces LED scribing, testing, and packaging systems 18 Jul 11 |
| At the Semicon West trade show, ESI announced a scribing system that maximizes LED light output, a packaging system that utilizes a laser to drill vias in the die, and a tester than can handle 48,000 LEDs per hour. |
| Thick-film technology with aluminum substrates optimizes LED assembly (MAGAZINE) 18 Jul 11 |
| Thick-film insulation in combination with aluminum substrates provides a low-cost method of LED circuit assembly with good thermal management, says ANITA LAFOND. |
| WHITE PAPER: Liquid-Forged LED heat sinks offer thermal advantages
14 Jul 11 |
| Aluminum heat sinks manufactured by a liquid-forging process offer a number of heat-transfer advantages in comparison to products manufactured by competing techniques, according to Exploit Technologies. |
| Journal explores optics research in LEDs for lighting
07 Jul 11 |
| Designed to highlight recent breakthroughs in LEDs, a special journal issue focuses on methods for improving luminous efficiency while delivering superior color quality. |
| Active cooling can boost lumen output in LED lighting (MAGAZINE) 31 May 11 |
| Active cooling technology can offer thermal capabilities that are superior to passive heat sinks and can raise lumen output and extend LED life in solid-state lighting, says RYAN AHEARN. |
| Interchangeable lenses allow for differentiated light distribution in architectural lighting (MAGAZINE) 31 May 11 |
| In architectural lighting, interchangeable tertiary lenses can offer a significant advantage over other optical systems, as THOMAS SCHIELKE explains. |
| WEBCAST: Solid-State Lighting - Strategies for Simplified, Flexible and Speedy Fixture Design 06 May 11 |
| This webcast provides an overview of TE Connectivity's newly-released NEVALO Solid State System. Learn how you can easily reduce your time to market by 6-12 months, supported by TE Connectivity’s warranty. |
| Intematix adds Chromalit optics and Future for distribution 12 Apr 11 |
| Intematix has significantly expanded the Chromalit family of phosphor-coated optics adding different shapes and sizes and also adds Future Lighting Solutions as a distribution partner. |
| Radiant Imaging merges with Zemax 28 Mar 11 |
| The merger of two companies involved in optical design software and test & measurement will create a company with a strong focus on the LED market. |
| LEDs chill out with heat sinks molded from conductive compounds (MAGAZINE) 22 Mar 11 |
| Thermoplastic compounds featuring conductive fillers can be used to fabricate LED heat sinks that offer high performance and design freedom, explains Hans-Otto Schlothauer. |
| Tyco launches modular SSL system product family 31 Jan 11 |
| Tyco’s Nevalo SSL family of products includes LED modules, drivers, cabling, optics, and thermal components that luminaire makers can combine, yielding products in form factors such as downlights and spot lights. |
| Intematix delivers remote-phosphor optics family 17 Jan 11 |
| Luminaire makers can rely on blue LED lights sources and use Intematix’s phosphor-coated optics to offer products such as downlights in color temperatures ranging from 2700 – 4000K. |
| Intematix launches new red and green LED phosphors 11 Nov 10 |
| New red and green Intematix compounds will allow LED manufacturers to develop warm-white lighting for general illumination or TV backlighting without requiring a license from application patent holders. |
| COMPANY PROFILE: Docter Optics 26 Oct 10 |
| Docter Optics provides advanced projection headlights for automotive applications, as well as products and services that include precision glass components, optical systems, express glass and automotive solutions. |
| Synopsys acquires Optical Research Associates 08 Oct 10 |
| Synopsys Inc. has acquired Optical Research Associates, in an effort to break into the solid-state lighting market. |
| LED component assembly benefits from SMT processes 20 Sep 10 |
| Automated SMT assembly of LED components, enabled by high-quality equipment such as nozzles and feeders, is able to effectively increase manufacturing throughput and minimize defects, explains Zachery Shook. |
| Bayer develops thinner polycarbonate for LED lenses 13 Sep 10 |
| Makrolon FR7067 polycarbonate plastic achieves UL flame retardant requirements in 1.5-mm-thick LED lenses that offer near 90% light transmission. |
| All-plastic LED lamp targets outdoor illumination 07 Sep 10 |
| Iwasaki Electric and Teijin have developed what they describe as the world’s first all-plastic LED lamp for outdoor use. The entire housing, except of course the bayonet cap, is made from a high-thermal-conductivity resin. |
| TECH NOTE: Schréder LED fixtures utilize HSMtec printed board technology 12 Jul 10 |
| LED fixtures from Schréder have been enhanced with HSMtec printed-board technology from Häusermann GmbH. |
| Everlight, LG, and Amtran form LED packaging joint venture 08 Jun 10 |
| A new packaging company will target the LED-backlit TV market, with operations based in JiangSu Province, China. |
| VIDEO: Solutions for LED Thermal Management 03 Mar 10 |
| This video describes the advantages of using a CAD-driven simulation tool for the design of LED-based lighting systems. |
| MAGAZINE: Direct or Indirect: That is the question for optical configurations 12 Oct 09 |
| For optical designs, the choice of direct or indirect configuration is determined by a number of competing factors and by considering the priorities of the lighting solution, writes Andreas Bielawny. |
| MAGAZINE: LED attributes for accurate modeling: An optical designer’s wish list
12 Oct 09 |
| Design software provides much of the data needed for designing LED systems, but LED manufacturers should provide more detail to ease the designer’s job, says PATRICK LE HOUILLIER and MIKE ZOLLERS. |
| Lumenova and Jenoptik enter into LED lighting collaboration 15 Sep 09 |
| LED lighting manufacturer Lumenova and optical specialist Jenoptik have formed a strategic alliance to develop LED light engines and related products. |
| Heptagon raises over $22m in new equity financing 20 Jul 09 |
| Funding will allow the company to expand its capacity for products such as camera lenses and beam-shaping optics for LED applications. |
| MAGAZINE: Injection molding technology creates quartz glass components for UV-LEDs 02 Jun 09 |
| A sol-gel molding process can replace the time-consuming and expensive grinding and polishing steps required to produce customized quartz-glass optics for UV-LEDs, writes Michael Baer. |
| MAGAZINE: LED system design improves with optical and thermal performance verification 02 Jun 09 |
| The ability to quickly and easily produce accurate optical and thermal measurements for LED devices has a major positive impact on the system design process, says James Petroski. |
| Dow Corning establishes silicone production unit in Korea 28 May 09 |
| The Jincheon site will manufacture silicone intermediate materials and encapsulants for LED packaging applications. |
| Canadian university gets Chair in optical design 04 May 09 |
| Supported by industry and the Natural Science and Engineering Research Council, Quebec's Laval University has launched the Industrial Research Chair in Optical Design. |
| Taking the heat out of LED fixtures
27 Apr 09 |
| Heat sinks, heat pipes and synthetic jets are among the technologies being used by LED fixture makers to remove heat from their products and enable them to operate correctly, reports Francoise Von Trapp.
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| Managing heat in power LED systems for optimal performance 27 Apr 09 |
| When designing a solid-state solution with power LEDs, one cannot underestimate the importance of the thermal system design, as encapsulated in the phrase “Think Thermal First”. Rudi Hechfellner explains. |
| Lightscape Materials secures $3m series A funding 27 Mar 09 |
| The Sarnoff Corporation spin-off is developing phosphor products for LED lighting. |
| Future Lighting Solutions to distribute LED optics from Khatod Optoelectronic
24 Mar 09 |
| Khatod expects to add more than 50 new products to its current 690-SKU catalog this year, in part with Future’s assistance. |
| WEB EXCLUSIVE: Enhanced protection for LEDs using Parylene
08 Dec 08 |
| Parylene coatings ensure an even, conformal, lightweight coating that also penetrates into every crevice, regardless of how seemingly inaccessible. |
| COMPANY PROFILE: Docter Optics
18 Nov 08 |
| Docter Optics provides advanced projection headlights for automotive applications, as well as products and services that include precision glass components, optical systems, express glass and automotive solutions.
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| TECH NOTES: Predicting the robustness of encapsulant epoxy for LED packages 17 Oct 08 |
| This article presents work that has been done to generate a set of rules for selecting encapsulant epoxy without requiring a series of tests of reliability over time. |
| Merck acquires phosphor manufacturer Litec-LLL GmbH 10 Jul 08 |
| Litec is best known for its ortho-silicate materials, and Merck says the acquisition is further step to strengthen activities in innovative lighting materials. |
| Osram Opto provides online LED ray data 30 Jun 08 |
| Files that describe the emission pattern of light from LEDs and IREDs are now available online. |
| Silicone lenses for LEDs resist UV and high-temperature operation 26 Jun 08 |
| Plastic lenses can be degraded when coupled with very high-power LEDs, says Thomas Luce, but silicone materials offer a compelling alternative. |
| Solving the system-level thermal management challenges of LEDs
26 Jun 08 |
| Thermal management is critical to LED performance and life, so mechanical designers need to consider thermal issues from the earliest stages of the development process, writes John Parry of Flomerics.
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| Intematix introduces packaged LEDs and arrays
13 May 08 |
| Through its Taiwan-based subsidiary, Intematix is now offering a range of “chip-on-ceramic” packages and arrays.
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| Intematix expands phosphor manufacturing capabilities 27 Mar 08 |
| The acquisition of a phosphor manufacturing company in China will boost Intematix's capacity and give access to CFL and CCFL markets. |
| Intematix awarded silicate phosphor patent 17 Mar 08 |
| A new patent covers a range of yellow-green silicate phosphors with emission in the 500-575 nm range. |
| LCP materials for power LED packages 25 Feb 08 |
| Vectra LCP liquid crystal polymer materials from Ticona are used by Spectrum Plastics to create open-cavity packages for power LEDs. |
| Illumination design software models LED color mixing 14 Dec 07 |
| The use of illumination design and analysis software enables verification of the efficacy of color mixing of LEDs prior to product fabrication, saving time and expenditure, say Ryan Williamson and John Koshel. |
| Polymer Optics Ltd is not closing down 04 Dec 07 |
| The UK-based optical components manufacturer is thriving, although a subsidiary of Fujifilm with a similar name has closed down. |
| Integrated metal substrates improve LED thermal management 19 Oct 07 |
| Compared with standard FR4, integrated metal substrates deliver valuable thermal management improvements for LEDs, enabling higher light output and greater reliability, writes Nico Bruijnis. |
| Spectrum Plastics adopts Ticona LCP for LED packages 03 Oct 07 |
| Vectra liquid crystal polymer (LCP) materials from Ticona enable LED packaging from Spectrum Plastics to withstand lead-free soldering. |
| Fusion Optix enhances in-house R&D and rapid prototyping 20 Sep 07 |
| In-house prototyping capabilities will allow Fusion Optix to further develop LED systems and materials for lighting and displays. |
| Hymite introduces silicon package for LEDs 16 Feb 07 |
| Hymite has launched an LED package formed by micromachining a silicon wafer. |
| Goldeneye granted wavelength conversion patent 30 Jan 07 |
| Goldeneye has been granted a patent covering technology that enables wavelength conversion within light-recycling cavities. |
| Hymite wins VC funding to support silicon packaging 11 Jan 07 |
| Hymite has received over $11.5 million to support its development of compact silicon-based packaging for high-power LEDs. |
| TECH NOTES: ThermaLynk LED packaging technology from Lynk Labs moves goalposts for LED packaging and assembly 01 Dec 06 |
| Lynk Labs' latest patented technology breakthrough ThermaLynk continues to push the boundaries of LED application efficiency from die level to luminaire. |
