As standards are developed and developed to help increase market confidence in solid-state lighting (SSL) performance, the US Department of Energy (DOE) works closely with standards development organizations and provides technical assistance and support. This support includes assisting products through performance testing, statistical evaluation, data collection and analysis, and document development. Its purpose is to accelerate the development and implementation of the standards required for SSL products.
Below are the standards and white papers on SSL current and ongoing.
The file information listed below is for reference only. Some are not part of the DOE-supported work, or are not yet applicable to the industry.
- ANSI C78.377-2011, Chroma specification for SSL products, specifies the color range of white LEDs recommended for various correlated color temperatures. The color range and color temperature are critical to the lighting designer.
- ANSI C136.37-2011, the use of SSL in road and area lighting, defines the requirements for road and non-road use of SSL luminaires, including interchangeability, operating temperature range, color, installation regulations, wiring usage, etc.
- CIE127-2007, Measurement of LEDs, describes the measurement conditions of the spectrum, the luminous flux, and the intensity distribution for individual low power LEDs.
- CIE177-2007, the color rendering of white LED light sources, describes the application of LEDs to existing color reproduction indicators, and the development of recommended improvement indicators.
- IEC/TR61341:2010, Central beam intensity and beam angle (s) measurement method for reflector lamps, describes the method of measuring and standardizing the beam angle and intensity of reflector cup lamps. This measurement standard is suitable for LED-based reflectors in a wide range of lighting applications.
- IEC62031, an LED module for safety specifications for general lighting, describes the general requirements and safety requirements for LED modules.
- IEC/TS62504:2011, Terms and definitions for LEDs and LED modules in general lighting services
- IEC62560:2011, Safety specification for self-ballasted LED luminaires with voltages > 50 V in general lighting services
- IEC62612:2013, Performance requirements for self-ballasted LED luminaires with voltages >50 V in general lighting services
- IEC/PAS62717, Performance requirements for LED modules in general lighting
- IES G-2, general lighting ("white") light - application guidelines for light-emitting diode (LED) technology, proposed technical information and application guidance for LED products
- IES LM-79-2008, an electrical and photometric test method approved for solid-state lighting, calculates the luminous efficacy of LED luminaires (by dividing the net light output data by the input power of the luminaire to measure lumens per watt). Luminaire efficacy is the most reliable way to measure the performance of LED products, measuring the performance of the luminaire as a whole, replacing the traditional method of measuring the efficiency of the luminaire depending on the method of dividing the lamp rating. The LM-79 can help establish a benchmark that accurately compares the performance of a luminaire, not only for solid-state lighting, but also for all light sources.
- IES LM-80-2008, a method approved for measuring the lumen attenuation of LED sources, defines the method of depreciation of test lamps. LED packages, and most light sources, lose their brilliance over time, which is known as light decay. However, since LED packages have a long life in the conventional sense, they may become unusable before an actual failure occurs, and a special definition is required for such a failure. The LM-80 has established a standard method for LED light decay testing. It is important to note that the LED light source is depreciated to a specific level of light, but should not be interpreted as measuring the life of the luminaire, as other failure modes may also be present and, in most cases, shorten their life.
- IES LM-82-2012, a method that recognizes the electrical and luminosity properties of LED light engines and LED lamps as a function of temperature, provides a measure of lumen attenuation at different temperatures for light engine products to support consistent testing The method helps luminaire manufacturers to determine the reliability and longevity characteristics of LED luminaires, thereby helping manufacturers choose LED luminaires and lamps.
- IES LM-84-2014, which measures the luminous flux and color maintenance of LED lights, light engines and luminaires, provides a means of measuring the luminous flux and color maintenance of integrated and non-integrated LED lights, light engines and luminaires. The method is based on consistent environmental conditions throughout the laboratory, achieving reproducible results and reliable results.
- IES RP-16 Annexes A and B, Lighting Engineering Terms and Definitions, provide a standard definition of the relevant solid-state lighting industry terminology.
- IES TM-21-2011, LED light source long-term projection lumen maintenance, projection lumens to maintain the specified recommended method based on LM-80-2008 LED data collection.
- IES TM-28-2014, long-term projection of LED light and luminaire maintenance, provides guidance and recommended sampling procedures, test intervals and durations, and tests LED lamps and luminaires for long-term projection of light flux maintenance.
- NEMA LSD45-2009, a solid-state lighting sub-assembly interface, provides guidance on the design and construction of solid-state lighting connections (plugs).
- NEMA LSD49-2010, Incandescent Lamp Replacement for Solid State Lighting - Best dimming practice, providing application recommendations for spiral dimming incandescent lamp replacement solid state lighting products.
- NEMA SSL-1-2010, an electronic driver for LED devices, arrays or systems, provides specifications and non-integral electronic drivers (power supplies) for a wide range of luminaire applications for the operational characteristics of LED devices, arrays or systems.
- NEMA SSL3-2010, the classification of high-power white LEDs in general lighting, provides a consistent format for classification (binning) for LED production and integration of lighting products.
- NEMA SSL 4-2012, SSL Retrofit Lamp: Minimum performance requirements for performance standards for overall LED lamps, including color, light output, operating voltage, lumen maintenance, size and electrical characteristics.
- NEMA SSL-6-2010, Incandescent Lamp Replacement for Solid State Lighting - Dimming provides guidance for solid-state lighting products that seek to design and build or retrofit screw base lamp systems that used incandescent lamps. The interaction between dimming and dimming (control) and the bulb (lamp) of these products is solved.
- SEMI HB1-0113, a sapphire wafer, is intended for use in the manufacture of high brightness LED devices.
- NEMA SSL7A-2013, phase-cut dimming for solid-state lighting: basic compatibility, provides compatibility when a phase-cut dimmer is compatible with one or more dimmable LED light engines (LLES).
- UL8750, a lighting product that uses safety standards for light-emitting diodes (LEDs), specifies the minimum safety requirements for SSL components, including LED and LED arrays, power and control circuitry.
- UL1598C, the safety standard for light-emitting diode (LED) retrofit luminaire conversion kits, points out the safety requirements of replacing existing illumination sources with LED products.
Standards in Development or Under Revision under development and revision
- ANSI C82.XX, LED Driver Test Method.
- CIE TC1-69, color quality scale, provides a more efficient method of color characterization for lighting products that include LEDs
- CIETC 2-50, Measurement of optical characteristics of LED clusters and arrays.
- CIE TC2-63, optical measurement of high power LEDs.
- CIE TC2-64, high speed test method for LEDs.
- IEC/TS 62504:201x, General Lighting - LEDs and LED Modules - Terms and Definitions.
- IEC 62031:201x, General Lighting LED Modules - Safety Specifications
- IEC 62560:201x, Safety specification for self-ballasted LED luminaires with voltages >50 V in general lighting services
- IEC62663-1: 201X, non-ballasted LED lights - safety specifications.
- IEC62663-2:201X, non-ballasted LED lamps - performance requirements.
- IEC62717:201X, LED modules for general lighting - performance requirements.
- IEC62776:201X, double-ended LED light in general lighting service - safety specification.
- IEC62838:201X, the power supply voltage for self-ballasted LED lamps in general lighting services does not exceed the safety specifications for AC 50V or DC 120V.
- IEC/TS62861, Reliability testing of major components in LED products.
- IEC/62868, Organic Light Emitting Diode (OLED) Panel <50 V - Safety Specification for General Purpose Lighting.
- IEEEP1789, the hazard of biological effects and health caused by scintillation.
- IESLM-79-2008, LED luminaire testing, currently under review
- IES LM-80-2008, LED source lumen fading test, is currently under review.
- LM-85, reliability test of LED package.
- LM-86, remote phosphor equipment luminous flux and color maintenance test.
- The LM-XX4 is recognized as an electrical and photometric method for organic light-emitting diode (OLED) light sources.
- SEMI Draft Document 5420A, a specification of 150 mm open plastic and metal wafer cassettes for the manufacture of HB-LED devices.
- SEMI equipment automation TF documentation. 5469, High Brightness LED Manufacturing Equipment Communication Interface (HB-LED ECI) Specification.
- SEMI Equipment Automation TF Document 5529 for high-brightness LED manufacturing equipment (HB-LED JMMM) specification for job management and material management.
- TM-26, rated life evaluation of LED products (combined failure modes such as lumen attenuation).
Over time, these or other standards will eliminate the guesswork of comparing product performance, making it easier for lighting manufacturers, designers and distributors to select the best products for their projects. Industry experts continue to work hard on standards, and they are contributing more and more information, which will help support the innovation of solid-state lighting, as well as market applications and development.
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