| New standards will enable lumen maintenance projections for SSL (MAGAZINE) 30 Apr 13 |
| JIANZHONG JIAO explains that LM-84 and TM-28 will enable long-term lumen maintenance projections beyond the LED light source level, similar to how LM-80 and TM-21 are used with LEDs. |
| Zhaga publishes interface specs for LED downlighting modules 26 Feb 13 |
| The international Zhaga Consortium has published Book 2 of interface specifications for cylindrical, socketable LED light engines as part of its mission to enable a vendor-interoperable modular approach to SSL fixture design. |
| ANSI works to standardize LED datasheet for white LEDs (MAGAZINE) 05 Feb 13 |
| Jianzhong Jiao reports that the ANSI standards body hopes to facilitate the communications of pertinent component characteristics between LED manufacturers and SSL product developers. |
| SEMI publishes HB-LED standard relating to sapphire substrates 15 Jan 13 |
| Several SEMI task forces have been developing standards related to LED manufacturing, and the first of these, describing specifications for 150-mm-diameter sapphire wafers, has now been approved. |
| SEMI committee progresses in HB LED standards process (MAGAZINE) 30 Oct 12 |
| Jianzhong Jiao discusses the progress made in the SEMI organization on LED manufacturing standards, including a Wafer Task Force draft document, that should ultimately lead to more efficient and less expensive components for SSL. |
| Zhaga publishes specification for LED spotlight modules 15 Oct 12 |
| The international Zhaga consortium has published Book 3, its first specification that is available to non-members, as well as Book 1, which contains general information and definitions. |
| 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. |
| Standards emerge for thermal characterization of LEDs (MAGAZINE) 11 Sep 12 |
| JIANZHONG JIAO explains that accurate and standardized characterization of LED junction temperature is critical to SSL product manufacturers developing optimal designs. |
| Zhaga writes the book on LED light engine specifications (MAGAZINE) 17 Jul 12 |
| The Zhaga consortium has now defined six sets of interface specifications for different types of LED light engines, and certified products are expected to be on the market soon, as TIM WHITAKER explains. |
| TÜV SÜD becomes 1 of 28 approved LED Lighting Facts approved labs 19 Jun 12 |
| TÜV SÜD has been added to the list of approved testing labs for LED Lighting Facts. As of June 1, LED Lighting Facts will only accept test reports from its approved laboratories. |
| JEDEC publishes four international thermal-testing standards for LEDs 23 May 12 |
| JEDEC has recently published the first international standards for component-level testing of power LEDs, which define recommendations for thermal data on LED data sheets, and test environments and procedures. |
| JEDEC test standards and LED package reliability (MAGAZINE) 07 May 12 |
| LED packages that pass JEDEC tests are more reliable in real-life applications, but as yet there is no way to use the results of severe stress-testing of LED packages to project their rated life, as JIANZHONG JIAO explains. |
| Model Lighting Ordinance: Is the BUG rating method effective at limiting light trespass? (MAGAZINE) 04 May 12 |
| The MLO offers two different options for evaluating the off-site impact of different outdoor lighting design schemes, but unfortunately they do not give the same results, according to WENDY NORMAN and MICHAEL SMOLYANSKY. |
| Energy Star Luminaires spec takes effect 11 Apr 12 |
| Effective April 1, the Energy Star Luminaires V1.1 specification requires that any luminaire bearing the Energy Star mark must be third-party certified to the new performance levels. |
| IES publishes LM-82 for LED light engines and lamps at temperature 27 Mar 12 |
| The IESNA has published LM-82-12, the approved method for determining photometric properties as a function of temperature for LED light engines and integral lamps. |
| NEMA publishes standard for SSL retrofit lamps
02 Mar 12 |
| A new standard, NEMA SSL 4-2012, gives suggested minimum performance requirements for integral LED lamps. |
| UL becomes testing center for Zhaga LED modules 28 Feb 12 |
| UL will be able to test LED light engines according to a range of specifications defined by the Zhaga consortium. |
| LED-based products must meet photobiological safety standards: part 3 (MAGAZINE) 17 Feb 12 |
| To conclude our series of articles on LED photobiological safety, LESLIE LYONS puts IEC62471 to work in consideration of the hazards posed by today’s LEDs and LED-based products. |
| EPA introduces TM-21 calculator 07 Feb 12 |
| The US Environmental Protection Agency has introduced the Energy Star TM-21 calculator, which lighting designers can use as a guideline for meeting Energy Star qualifications. |
| Color-quality standards bodies need to consider the broad user base (MAGAZINE) 01 Feb 12 |
| Work on a new and improved measure of color-rendering quality has apparently stagnated in the CIE, and the failure leaves the broad lighting community without a tool that would be very useful, says MAURY WRIGHT. |
| Lumen-maintenance testing for LED lamps, light engines and luminaires (MAGAZINE) 01 Feb 12 |
| Now that procedures are in place to make long-term lumen-maintenance projections for LED components, efforts are being made to develop methods for testing the lighting system as a whole, as JIANZHONG JIAO explains. |
| LUX-TSI earns UKAS accreditation, Labsphere earns NVLAP accreditation 20 Jan 12 |
| LUX-TSI has earned accreditation from UKAS to test LED and lighting products, while Labsphere has been recognized by NVLAP as a NIST-traceable calibration laboratory. |
| CSA adds new LED lighting and EEV testing lab in Guangzhou 12 Jan 12 |
| CSA International has expanded its laboratory capabilities in Guangzhou, China by adding energy-efficiency verification testing equipment to its existing LED lighting testing and certification services. |
| CSA opens new LED and lighting certification lab in Atlanta 01 Dec 11 |
| CSA International has opened a certification and product-testing laboratory capable of testing LEDs and lighting products to 75 standards including Energy Star requirements. |
| LED-based products must meet photobiological safety standards: part 2 (MAGAZINE) 29 Nov 11 |
| The potentially complex procedure of evaluating LED photobiological safety is now a legal requirement in Europe, but few countries have yet followed the European mandatory-testing lead. LESLIE LYONS discusses the implementation of the IEC62471 standard after an in-depth look at the measurement of radiance and irradiance. |
| The elusive “life” of LEDs: How TM-21 contributes to the solution (MAGAZINE) 28 Nov 11 |
| The newly-introduced TM-21 document presents a method for lumen-depreciation projection based on LM-80 data, enabling LED lifetime extrapolations beyond 6000 hours, says ERIC RICHMAN. |
| Understanding the difference between LED rated life and lumen-maintenance life (MAGAZINE) 20 Oct 11 |
| The rated life of an LED light source is different from the lumen-maintenance life, and is an essential reliability value that is required by luminaire makers and end users, as JIANZHONG JIAO explains. |
| LED-based products must meet photobiological safety standards: part 1 (MAGAZINE) 19 Oct 11 |
| The reappraisal of the place of LEDs in safety standards has had a significant impact on the process of bringing to market not only LED-based products, but any product containing non-laser sources of optical radiation, writes LESLIE LYONS. |
| SIL Europe news: LED market, Lemnis and Ikea, Zhaga and IEC standards 10 Oct 11 |
| At the recent Strategies in Light Europe conference, Strategies Unlimited provided its latest market update, Lemnis Lighting discussed a deal to supply LED lamps to Ikea, Zhaga introduced light-engine standards and unveiled its logo, and the IEC introduced two key performance standards. LAURA PETERS reports. |
| EPA consolidates qualified luminaires in Energy Star qualified list 05 Oct 11 |
| A new Energy Star Qualified Light Fixture list combines luminaires qualified to the Residential Light Fixtures specification, the SSL luminaires specification, and the Luminaires V1.1 specification. |
| EPA finalizes guidance for lumen maintenance of LED subcomponents 09 Sep 11 |
| The EPA’s document provides information on lumen maintenance data for LED packages, LED arrays and LED modules that will be used in Energy Star lamps and luminaires. |
| WEBCAST: General Performance Testing for Lighting in North America 17 Aug 11 |
| This webcast will discuss performance testing of LED luminaires and lamps to LM -79, looking at the requirements of programs such as Energy Star. The second part will focus on lumen-maintenance testing to LM-80, measurement best practices and upcoming revisions to the standard. |
| CELMA and ELC publish new documents on LEDs and lighting 05 Aug 11 |
| Organizations representing the European lighting industry have published papers discussing LED-based lighting, and the EC is looking for a name for its upcoming Green Paper on SSL. |
| ANSI evaluates revisions to SSL chromaticity standard (MAGAZINE) 18 Jul 11 |
| A working group within ANSI is evaluating ways to improve an existing standard that defines how to communicate the chromaticity of white-light SSL products to end users, explains JIANZHONG JIAO. |
| US DOE makes LED reliability recommendations 15 Jul 11 |
| The LED industry has no accepted protocol for measuring and characterizing luminaire lifetime, but a new guideline from SSL Quality Advocates considers the key issues. |
| LED safety standard UL 8750 requires further clarification (MAGAZINE) 26 Apr 11 |
| There is still some clarity needed in how UL 8750 addresses safety requirements for packaged LED components, which can even affect the choice of encapsulation materials, writes JIANZHONG JIAO. |
| Cooper Lighting's Photometric Laboratory awarded continuing NVLAP accreditation 14 Apr 11 |
| Continuing NVLAP accreditations have been awarded to Cooper Lighting's Photometric Laboratory, including complete LM-79 testing for SSL luminaires. |
| NEMA publishes two solid-state lighting standards 14 Mar 11 |
| Two new solid-state lighting standards have been released by NEMA, covering LED drivers and dimming of incandescent-replacement LED lamps. The organization has also released an educational guide to energy-efficient lighting. |
| WEBCAST: Standards for LED Retrofits – How to Certify Products for the US and Canada 02 Mar 11 |
| This Webcast will discuss the correct procedure for certifying LED retrofits such as LED replacement tubes and LED replacement modules for troffers and downlights. It will cover ENERGY STAR® Luminaires V1.0, which includes Solid State Lighting. |
| Study looks at toxic metal content of LEDs 14 Feb 11 |
| A recently-published journal paper suggests that many LEDs should be classified as hazardous waste, but the sample size is very small and some of the conclusions drawn could easily be described as scaremongering. |
| TM-21 seeks methods for lumen-maintenance prediction (MAGAZINE) 10 Feb 11 |
| Devising a standardized method to predict the long-term lumen maintenance of packaged LEDs and LED modules is not an easy task, writes JIANZHONG JIAO in his latest column on standards. |
| California implements new light-bulb laws 03 Jan 11 |
| California has introduced a new standard for 100W incandescent lamps, one year ahead of the rest of the USA. |
