Solid state lighting reliability part 2 springerlink. Solid state lighting, commonly called ssl, is the new lighting technology based. We represent a modest number of suppliers who manufacture semiconductors, related electronic components and modules. Solidstate lightinga benevolent technology 3073 table 1.
Solidstate lighting ssl technologies have made significant market gains. Solidstate lighting luminaires specification version 1. Solidstate lighting ssl is the most promising energy saving solution for future lighting applications. Lumen depreciation and color quality change of high power ledbased solid state light ssl are caused by the combination of various degradation mechanisms. Design parameters of ledbased solid state lighting products are interdependent and the corresponding requirements are dictated by operating conditions. Since the first demonstration of the highbrightness blue lightemitting diode led and subsequently the white led, the interest in using solid state light sources for general illumination has been rapidly growing. A systematic approach to address the reliability of solid state. Challengesfor power electronics in solidstate lighting dr. About illumination devices solid state lighting solutions. Acuity contemporary led series 245l white the 245s light engine offers excellent optical control and heat dissipation to give you a beautiful, efficient lighting source while preserving the life of the components.
Solid state lighting ssl is widely accepted as the energy efficient technology for general lighting. Annual energy expended by end users in us on different lighting sources, their luminous source ef. Solid state lighting reliability part 2 components to. Fifth international conference on solid state lighting, proceedings of spie 5941. Pdf reliability engineering for driver electronics in solidstate. Remarkable longlife makes led lighting systems a longterm investment, and great energy and maintenance savings easily give good reason for the higher initial cost. Seventh international conference on solid state lighting, proceedings of spie 6669. Use features like bookmarks, note taking and highlighting while reading solid state lighting reliability. System reliability model for solid state lighting ssl. Our mission has always been to create high performance led lighting solutions that integrate simply and address lighting manufacturers led challenges. Components to systems begins with an explanation of the major benefits of solid state lighting ssl when compared to conventional lighting systems including but. Many concepts are proposed for the first time, and readers will benefit from the concurrent engineering and codesign approaches to. Many reliability prediction methods for solid state lighting 48 focus on leds degradations.
Nglia formed ssl quality advocates and a reliability and lifetime working. Solid state lighting reliability components to systems. Solidstate lighting ssl is an alternative technology for developing even more energyefficient lighting systems than compact fluorescent lamps. The analyticalexperimental models on the system as well as componentlevel are proposed to analyze the.
Although still very incomplete, our knowledge of the reliability issues relevant to ssl is growing. Led reliability and current standards for measurement. In recent years, solidstate lighting ssl has emerged as a promising new lighting technology that could fundamentally alter and improve lighting systems and significantly lower energy use and costs. Kunal ahuja, kritika mamtani share solidstate lighting market size is set to surpass usd 85 billion by 2024. Components to systems solid state lighting technology and application series book 1 kindle edition by van driel, w. Krames arpae circuits workshop sept 2016 energy savings from solid state lighting lighting accounts for 20% of nationwide electricity use. A reliability prediction methodology for led arrays tu delft. Physicsoffailure based modeling and lifetime evaluation mark white.
This study presents the results of initial work related to understanding the reliability of solid state lighting assembly interconnects in a led package. Revision of the energy star criteria for solidstate lighting luminaires. Solidstate lighting ssl technical requirements version 5. Chapter 1 provides an overview of traditional reliability prediction approaches, i. To develop and validate a probabilistic reliability prediction tool and accelerated life testing methodologies that help lighting manufacturers and key stakeholders and promote the adoption of energy efficient ssl lighting technologies. Components to systems begins with an explanation of the major benefits of solid state lighting ssl when compared to conventional lighting systems including but not limited to long useful lifetimes of 50,000 or more hours and high efficacy.
Lynn, abstractnote the primary objectives of this project was to develop and validate reliability models and accelerated stress testing ast methodologies for predicting the lifetime of integrated ssl luminaires. Components to systems begins with an explanation of the major benefits of solid state lighting ssl when. Led luminaire lifetime next generation lighting industry alliance. In led packaging for lighting applications, professors liu and luo cover the full spectrum of design, manufacturing, and testing. New materials and technologies are not only offering substantial improvements in efficiency compared with conventional incandescent lighting, but also opportunities to put light in new and sometimes startling places and modes that are only beginning to. A systematic approach to address the reliability of solid. Components to systems begins with an explanation of the major benefits of solid state lighting ssl when compared to conventional lighting systems including but not. Over the last few years, considerable effort has gone into the study of the failure mechanisms and reliability of solid state lighting systems ssl. The doe solidstate lighting program leads our nations efforts to drive research and development of innovative led and oled technologies. Although we will mention organic semiconductors in the context of display technology, in this chapter we will emphasize the inorganic semiconductors which, for solidstate lighting, are currently the most advanced. This report will also discuss the recent trends in ssl manufacturing.
This paper provides an overview of ssl failure modes and mechanisms that are commonly encountered. As the solid state lighting industry advances, different product configurations, such as led light engines, may prompt a return to relative photometry in certain situations. The dlc solidstate lighting product qualification program has driven change in the commercial lighting industry for both product design and led performance, and has provided a basis for incentivizing the installation of energy saving products for more than ten. Solid state lighting ssl is the most promising energy saving solution for future lighting applications. Solid state lighting ssl is a type of lighting that uses semiconductor lightemitting diodes leds, organic lightemitting diodes oled, or polymer lightemitting diodes pled as sources of illumination rather than electrical filaments, plasma used in arc lamps such as fluorescent lamps, or gas. To develop and validate a probabilistic reliability prediction tool and accelerated life testing methodologies that help lighting manufacturers and key stakeholders and promote the adoption of.
A complete ssl product is a complex optoelectronic system. Deng lighting research center, rensselaer polytechnic. Photonics and technologies nelson tansua, and franky sob, alehigh university, department of electrical and computer engineering, center for photonics and nanoelectronics, bethlehem, pennsylvania 18015, united states bnorth carolina state university, department of materials science and engineering, raleigh, north carolina 27695, united states. Chapter 8 1 reliability engineering for driver electronics 2 in solidstate lighting products 3 abhijit dasgupta, koustav sinha, and jaemi herzberger 4 abstract. Since the first demonstration of the highbrightness blue lightemitting diode led and subsequently the white led, the interest in using solidstate light sources for general illumination has been rapidly growing. Solidstate lighting ssl is a new technology, not simply a refinement of an existing one. In the past 4 years we have witnessed a change in quality and reliability to make the marked introduction of solid state lighting ssl successful.
System reliability model for solid state lighting ssl luminaires, author davis, j. Kop solid state lighting reliability av x j fan, w d van driel pa. Find out how doe and partners are sparking a lighting revolution and positioning american companies for global success. While the health and safety of our employees remains our top priority, we want to reassure our valued customers that eti is open for business and here to support you in any way we can. As the market for solidstate lighting ssl begins to take hold and grow, our. Solid state lighting ssl products offer very high energy efficiencies approximately 90% and the possibility of very long lifetimes on the order of 20,000100,000 h. Kunal ahuja, kritika mamtani share solid state lighting market size is set to surpass usd 85 billion by 2024.
Led packaging for lighting applications wiley online books. Challengesfor power electronics in solid state lighting. Solid state lighting has advanced significantly in the past decade, and recent advances in both organic and inorganic lightemitting diodes leds have enabled the penetration of these tech nologies into consumer electronics, display, and energyefficiency applications. In recent years, many novel tech nologies have been applied to. State of north carolina led systems reliability consortium. Heat sinks are required to ensure the proper operation and long term reliability of solid state luminaries because they provide a means to dissipate the power that is normally developed by the luminaire into the surrounding ambient air and maintain a safe operating temperature. Solidstate lighting ssl is a type of lighting that uses semiconductor lightemitting diodes leds, organic lightemitting diodes oled, or polymer lightemitting diodes pled as sources of illumination rather than electrical filaments, plasma used in arc lamps such as fluorescent lamps, or gas. Components to systems is an ideal book for industry professionals, researchers, and graduate students interested in a reference book for solid state lighting reliability from the performance of the sub components to the total system. Energy savings from solid state lighting lighting accounts for 20% of nationwide electricity use target savings of 395,000 gigawatthours per year by 2030 50 large coalfired power stations 300 million tons of reduced co2 emissions or 57 m automobiles total u. Optimum design domain of ledbased solid state lighting. In recent years, solidstate lighting ssl has emerged as a promising new lighting. Solid state relay reliability mtbf report by paul bachman, fellow engineer, crydom introduction reliability is a term that when applied to electronic components or systems, is used to predict the likelihood of a failure within a given population of similar components or systems based upon a set of criteria defining.
Solid state lighting reliability components to systems w. Components to systems published in 20, which covers reliability aspects ranging from the led to the total luminaire or system of luminaires. At a minimum, the advent of led lighting has led to a reevaluation of photometric testing procedures and increased awareness about the source of performance data. Pdf reliability engineering for driver electronics in. Solid state lighting ssl technology is a new technology based on light emitting diodes as light sources. Presently, many manufacturers around the world are producing white leds. The solidstate electronics industry faces relentless pressure to improve performance, increase. As the solidstate lighting industry advances, different product configurations, such as led light engines, may prompt a return to relative photometry in certain situations.
J download it once and read it on your kindle device, pc, phones or tablets. Led reliability and current standards for measurement author. Solid state lighting reliability department of energy. Proposed category a additions draft energy star program requirements for solid state lighting luminaires pdf, 118 kb formal comments on proposed category a additions as of 915. For such high reliability and lifetime requirements, it is critical to have excellent assembly interconnect reliability i. Solid state lighting reliability part ii request pdf. However, ssls full performance and energy savings potential is far from realized or assured. Design for reliability of solid state lighting systems. Improving led light output and efficacy through spe. Solid state supplies ltd part of solid state plc, is a focused distributor serving the needs of the electronics oem community in the uk. Solid state lighting ssl is an alternative technology for developing even more energyefficient lighting systems than compact fluorescent lamps. This book is a continuation of solid state lighting reliability. This technology due to its several outstanding characteristics such as lower energy consumption, longer lifetime, and higher design flexibility with respect to the conventional lighting technology has become very attractive to both manufacturers and consumers.
Solid state lighting reliability x j fan, w d van driel haftad. Solid state lighting ssl is a new technology, not simply a refinement of an existing one. Solid state lighting reliability from failure mechanisms. About solid state supplies ltd solid state supplies. System reliability model for solidstate lighting ssl luminaires, author davis, j. Improving the performance of mixedcolor white led systems by using scattered photon extraction technique. Light emitting diodes leds are a solidstate lighting source increasingly being used in display backlighting, communications, medical services, signage, and general illumination 16. Solid state relay reliability mtbf report by paul bachman, fellow engineer, crydom introduction reliability is a term that when applied to electronic components or systems, is used to predict the likelihood of a failure within a given population of similar components or systems based upon a. The analyticalexperimental models on the system as well as componentlevel are proposed to analyze the complex reliability issues of the ledbased solid ssl. Observe precautions for handling electrostatic discharge sensitive devices package dimensions wp71lzgck t1 34 5mm solid state lamp 1. Pdf reliability engineering for driver electronics in solid. Components to systems solid state lighting technology and application series w. Although we will mention organic semiconductors in the context of display technology, in this chapter we will emphasize the inorganic semiconductors which, for solid state lighting, are currently the most advanced. Ssl is based on the usage of lightemitting diodes leds.