Bibliographies thématiques / LED APPLICATIONS

Littérature scientifique sur le sujet « LED APPLICATIONS »

Auteur : Grafiati
Publié le 11 septembre 2023

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Articles de revues sur le sujet "LED APPLICATIONS"

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Shintaku, Fumihiro. « LED - Applications in Marine Equipments ». Journal of The Japan Institute of Marine Engineering 49, no 5 (2014) : 603–6. http://dx.doi.org/10.5988/jime.49.603.

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Chervinsky, M. « New NX LEDS from CREE. NX LED assemblies applications ». ELECTRONICS : Science, Technology, Business 170, no 9 (2017) : 86–90. http://dx.doi.org/10.22184/1992-4178.2017.170.9.86.90.

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Wood, Jonathan. « Ultraviolet LED promises new applications ». Materials Today 9, no 7-8 (juillet 2006) : 16. http://dx.doi.org/10.1016/s1369-7021(06)71568-1.

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Lee, Vincent W., Nancy Twu et Ioannis Kymissis. « Micro-LED Technologies and Applications ». Information Display 32, no 6 (novembre 2016) : 16–23. http://dx.doi.org/10.1002/j.2637-496x.2016.tb00949.x.

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Hatakoshi, Gen-ichi. « LED and LED Lighting ». Journal of The Institute of Image Information and Television Engineers 66, no 4 (2012) : 281–86. http://dx.doi.org/10.3169/itej.66.281.

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Lee, Tsung-Wen, et Janice H. Nickel. « Memristor Resistance Modulation for Analog Applications ». IEEE Electron Device Letters 33, no 10 (octobre 2012) : 1456–58. http://dx.doi.org/10.1109/led.2012.2207429.

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Shih, Ju Yi, Shu Ling Lai et Huai Tzu Cheng. « Design and Applications of LED Textiles ». Advanced Materials Research 821-822 (septembre 2013) : 453–58. http://dx.doi.org/10.4028/www.scientific.net/amr.821-822.453.

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As a new and efficient light source, LED has the advantages of long service life, low power consumption, small volume, light weight, rich color and fast response. Therefore, LED seems apparently quite suitable for functional apparel design, and becomes an important item of development, exhibition and promotion for research institutions and the clothing industry. In the recent years, the development trend of textile application of LED is changed from simple light bulb and light bar to the emergence of new material, including soft packaging, optical fiber, LED yarn, and organic light emitting diode. This paper describes components and systems of LED, textile application material and using method, concept illustration and design idea of some selected application cases. The purpose of this paper is to spread the knowledge of function, esthetics and practical value which displayed by the LED application in clothing, and improve both customer acceptance and market potential of luminous dresses in the clothing market.
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Titkov, I. E., L. A. Delimova, A. S. Zubrilov, N. V. Seredova, I. A. Liniichuk et I. V. Grekhov. « ZnO/GaN heterostructure for LED applications ». Journal of Modern Optics 56, no 5 (10 mars 2009) : 653–60. http://dx.doi.org/10.1080/09500340902737051.

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Tan, Siew Li, Shiyong Zhang, Wai Mun Soong, Yu Ling Goh, Lionel J. J. Tan, Jo Shien Ng, John P. R. David et al. « GaInNAsSb/GaAs Photodiodes for Long-Wavelength Applications ». IEEE Electron Device Letters 32, no 7 (juillet 2011) : 919–21. http://dx.doi.org/10.1109/led.2011.2145351.

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Wang, Han, Thiti Taychatanapat, Allen Hsu, Kenji Watanabe, Takashi Taniguchi, Pablo Jarillo-Herrero et Tomas Palacios. « BN/Graphene/BN Transistors for RF Applications ». IEEE Electron Device Letters 32, no 9 (septembre 2011) : 1209–11. http://dx.doi.org/10.1109/led.2011.2160611.

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Thèses sur le sujet "LED APPLICATIONS"

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Griffin, Chris. « Applications of micropixellated InGaN LED arrays ». Thesis, University of Strathclyde, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.425904.

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Li, Fung Yuen Ken. « White LED for general illumination applications ». Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/42151.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2007.
Includes bibliographical references.
In the 21st century, mankind faces problem of energy crisis through depletion of fossil fuels as well as global warning through the production of excessive greenhouse gases. Hence, there is an urgent need to look for new sources of renewable energy or ways to utilize energy more effectively. Solid state lighting (SSL) is a major area of research interest to use energy in a more efficient manner. Early light emitting devices (LEDs) were originally limited their use for low power indication lights. Later research produces high brightness LEDs (HB-LEDs) as well as blue color LEDs. This brings to reality of the entire visible light spectrum. White light is also made possible. As with other technologies, numerous obstacles will have to be surmounted in bringing LEDs from the laboratory to the marketplace. LEDs will also have to compete with established technologies such as incandescent and fluorescent lighting. This thesis will describe the current state of high powered LEDs, examine challenges faced by LEDs and look at future markets. Evaluation in the potential of LEDs for general illumination will be carried out through cost modeling and performance analysis.
by Ken, Li Fung Yuen.
M.Eng.
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Yan, Xiao. « Phosphors for lighting applications ». Thesis, Brunel University, 2012. http://bura.brunel.ac.uk/handle/2438/6954.

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Trivalent rare earth cations (RE3+) activated nanometre-sized Y2O2S and Gd2O2S phosphors were prepared by converting hydroxycarbonate precursor powders during a firing process. The precursors were prepared using the urea homoprecipitation method. The choice of host crystal and dopant were optimised to meet the specific requirements for practical applications in the field of lighting, X-ray detection, and displays. Parameters that affect the luminescent properties of the resulting phosphors, such as doping concentration, excitation mechanism, firing temperature, and host lattice were investigated. Tb3+ and Er3+ co-doped Y2O2S and Gd2O2S were studied for their upconversion properties under 632.8 nm red laser excitation. The intensities of UC emission were affected by both doping concentration and host lattices. Tb3+ and Er3+ co-doped Y2O2S was found to show strong downconversion from Tb3+ and upconversion from Er3+. The presence of the Er3+ cations directly affects the Tb3+ down-converting properties by acting as centres for energy transfer. The possible energy transfer between Gd3+ and Er3+ should be responsible for the different trend of Er3+ upconversion intensity in Y2O2S and Gd2O2S. It has been established that the Tb3+ and Er3+ co-doped system is superior than the Yb3+ and Er3+ co-doped one. In the latter system the presence of Yb3+ reduces the efficiency of both upconversion and downconversion emission under red laser excitation. These phosphors show potential applications in the security and anti-fraud field. The novel ZnS:Mn QDs were prepared and successfully incorporated into GaN based photonic crystal (PC) holes to efficiently produce white light. The crystal structure and luminescent properties of the ZnS:Mn QDs were investigated as well as the factors affecting the filling rate. Zn1-xCdxS:Mn QDs were also investigated. The addition of Cd cations leads to a red shift in the PL excitation spectra of the Zn1-xCdxS:Mn QDs. The crystal structures and surface properties were also affected by the presence of Cd. Monodisperse PbS QDs with particle size of ~5 nm has been obtained using a similar aqueous reaction method.
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Simmance, Timothy Graham. « New Carbazole-Based Materials for LED Applications ». Thesis, University of Sheffield, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.489740.

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Bartos, Krzysztof Mirosław. « Efficient LED drivers for general illumination applications ». Master's thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/14575.

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Mestrado em Engenharia Eletrónica e Telecomunicações
The ever growing energy consumption trends and its impact on the environment has triggered worldwide attention. This has motivated several measures, such as the Kyoto protocol, or the 20 20 20 European strategy, aiming at the reduction of energy consumption. Globally, these measures defend a better and efficient usage of the available energy. This in turn is strongly linked to public awareness and the introduction of efficient electronic equipment. Public street lighting is a good example of these trends, where both aspects are of the utmost importance. The introduction of power LEDs as future lighting devices has motivated several advances coping with these strategies. On one side, LEDs are able to deliver higher efficiency when compared to conventional lighting devices. This has triggered the replacement of old style luminaires by LED based ones. However, their high cost has prevented full adoption and at the present stage, is acting as a slowing down force against this replacement trend. Better solutions are under research on the framework of several European projects. Power LEDs are solid-state devices able to support fast switching, a feature which was not fully supported by conventional lighting devices. Combining this feature with environmental sensing and intelligent control may lead to better power savings. A simple approach would be to consider the that the actual lighting demands depend on the street usage and surrounding lighting levels. For this purpose, the combination of twilight sensors, motion detectors and intelligent control schemes may provide a suitable approach. This way, the real lighting demands can be effectively taken into consideration, providing luminaires able to consume the least possible energy. For this to become a reality several challenges have to be addressed. One of the most important challenges is the LED driver design. Modern lighting systems based on LEDs, replace the traditional ballasts by LED drivers. When efficiency is a major concern, such as in public street lighting, these drivers have to be designed in order to be the most robust and efficient as possible. Recurring solutions resort to switched mode power supplies, able to support light dimming. One of the major problems with these drivers is the fact that their efficiency decreases for lower dimming levels. This is of the utmost importance for public street lighting, as most of the time during night, the luminaires are on a low lighting level (as changes to high lighting conditions depend on street usage). Thus, in order to promote better power savings, the efficiency of the driver should be high for both lighting conditions. Commercially available drivers, exhibit efficiencies on the 90% range for the high lighting conditions, with only 40% to 60% under the low lighting. On the framework of this master dissertation it was investigated the problem of LED driver design aiming at the highest possible uniformity of the efficiency curve, under different loading and dimming conditions. The selected approach was based on quasi-resonant flyback converter, backed up by an active power factor correcting block. The designed driver supports remote configuration and monitoring as well as sensor integration. The archived results show that this driver achieves a peak efficiency of 93% under maximum load and 100% duty-cycle. The efficiency for low dimming conditions (10% duty-cycle) achieves 75%.
As tendências de consumo de energia cada vez maior e seu impacto sobre o meio ambiente tem captado a atenção a nível mundial. Isso tem motivado várias medidas, tais como o Protocolo de Quioto, ou a estratégia Europeia 20 20 20, visando a redução do consumo de energia. Globalmente, estas medidas defendem um uso melhor e eficiente da energia disponível. Este, por sua vez, está fortemente ligado à consciência pública e à introdução de equipamento eletrónico eficiente. A iluminação pública é um bom exemplo dessas tendências, em que ambos os aspetos são de extrema importância. A introdução de LEDs como dispositivos de iluminação tem motivado vários avanços que lidam com essas estratégias. De um lado, os LEDs são capazes de oferecer uma maior eficiência quando comparados com dispositivos de iluminação convencionais. Isso provocou a substituição de luminárias convencionais por luminárias baseadas em LED. No entanto, o custo elevado destes dispositivos tem impedido a adoção plena e na fase atual, está mesmo a atuar como uma força negativa contra esta tendência de substituição. Melhores soluções estão sob investigação no âmbito de vários projetos europeus. Os LEDs são dispositivos de estado sólido, capazes de suportar a comutação rápida, uma característica que não é totalmente suportada por dispositivos de iluminação convencionais. Combinando esta característica com sensores ambientais e controlo inteligente pode-se ambicionar melhores poupanças energéticas. Uma abordagem simples seria a de considerar o que as exigências de iluminação reais dependem do uso das ruas e os níveis de iluminação circundantes. Para este efeito, a combinação de sensores de crepúsculo, detetores de movimento e regimes de controlo inteligentes podem propiciar uma abordagem adequada. Desta forma, os requisitos reais de iluminação podem ser efetivamente considerados, fornecendo luminárias capazes de consumir apenas a energia necessária. Para que isto se torne uma realidade vários desafios têm de ser vencidos. Um dos desafios mais importantes é o projeto LED driver. Nos sistemas de iluminação modernos baseados em LEDs, substitui-se os balastros convencionais por LED drivers. Quando a eficiência é importante, como no caso da iluminação pública, O LED driver têm de ser concebido de forma a ser o mais robusto e eficiente possível. Soluções recorrentes usam a fontes de alimentação comutadas, capazes de suportar o escurecimento adaptativo do fluxo luminoso. Um dos problemas principais no projeto destes drivers é o facto de a sua eficiência diminuir para níveis de regulação mais baixos. Isto é de extrema importância para a iluminação pública, pois na maioria dos casos durante a noite, as luminárias estão num nível de iluminação de baixo. Assim, com a finalidade de promover uma melhor economia de energia, a eficiência do driver deve ser elevada para ambas as condições de iluminação. Drivers comercialmente disponíveis, exibem eficácias na gama de 90% com elevado fluxo luminoso, e apenas 40% a 60% na condição de baixo fluxo luminoso. No âmbito desta dissertação de mestrado foi investigado o problema do projeto de driver LED visando a maior uniformidade possível da curva de eficiência, sob diferentes condições de carga e de fluxo luminoso. A abordagem escolhida foi baseada no conversor flyback quasi-ressonante, apoiado por um bloco de correção de fator de potência ativa. O driver projetado suporta configuração e monitorização remota, bem como de integração de sensores. Os resultados alcançados mostram que este driver atinge um pico de eficiência de 93% na condição de carga máxima e máximo fluxo luminoso. A eficiência em condições de baixo fluxo luminoso é superior a 75%.
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Kukacka, Leos. « Qualité de l'énergie dans les alimentations électriques : applications dans les réseaux d'éclairage ». Thesis, Toulouse 3, 2018. http://www.theses.fr/2018TOU30011/document.

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Cette thèse de doctorat porte sur les fluctuations temporelles du flux lumineux des lampes LED, ce phénomène portant le nom de papilottement (flicker). Le papillotement est habituellement considéré comme une perturbation en raison de son impact négatif sur la santé. Pour les systèmes d'éclairage à base de diodes électroluminescentes (LED), sa définition vient d'être formalisée dans la norme IEEE 1789:2015 et a été décrite pour les appareils alimentés en courant alternatif (CA). Ce papillotement alternatif résulte des interactions entre l'impédance du réseau, l'onde de tension, les courants harmoniques et le convertisseur de courant alternatif en courant continu (CA - CC). L'alimentation en courant continu est généralement obtenue via des convertisseurs à découpage. Par conséquent, les mêmes facteurs perturbateurs sont également présents sur les réseaux à courant continu. Cette thèse résume les diférences entre les propriétés caractéristiques du papillotement sous alimentation en CA et en CC. Il a été montré dans la littérature et aussi dans cette thèse qu'avec les LED, le facteur clé qui affecte le papillotement réside dans la conception du driver de LED - une partie indispensable des systèmes d'éclairage à LED. Cette thèse décrit une méthodologie d'évaluation de la sensibilité au papillotement des lampes LED sous alimentation en CC et analyse la façon dont cette sensibilité se modifie lorsque les drivers de LED sont simplifiés et adaptés à des alimentations CC. La thèse présente un ensemble d'expériences de mesure visant à déterminer la réaction typique du papillotement des lampes LED à la fois sous alimentation CA et CC. D'autres expériences ont été efectuées pour révéler l'impact de l'adaptation du driver à l'alimentation CC (en enlevant le pont redresseur à diodes). On constate que certaines lampes présentent une meilleure résistance au papillotement, tandis que d'autres lampes présentent une moindre résistance. Ces expériences sont accompagnées de simulations de drivers pour les lampes LED visant à reproduire et à expliquer les résultats des mesures. La thèse décrit en outre une expérience de mesure visant à montrer la sévérité typique de la variation de tension dans un réseau CC à basse tension couplé au CA domestique et son impact sur le papillotement. On conclut qu'un tel système est suisamment robuste pour filtrer les perturbations provenant du CA, mais une interaction indésirable entre la lampe et l'alimentation peut se produire
This dissertation thesis is concerned with temporal fluctuations of the luminous flux of LED lamps, a phenomenon referred to as flicker. Flicker is usually regarded as a disturbance due to its negative impact on human health. For lighting systems based on light emitting diodes (LED), its definition has recently been formalised in norm IEEE 1789-2015 and has been documented on devices supplied with AC voltage. AC flicker results from interactions between network impedance, voltage and current harmonics, and the AC to DC converter. DC supplies are generally obtained by switching converters. Consequently, the same perturbing factors are present on DC networks. The thesis summarises the differences between the characteristic properties of flicker under AC and DC supplies. It has been shown in the literature and also in this thesis that the key factor affecting flicker with LEDs is the design of the LED driver-a necessary part of the LED lighting systems. This thesis describes a methodology for the evaluation of the flicker sensitivity of DC supplied LED lamps and analyses how the sensitivity changes when the LED drivers are simplified and accustomed to DC supply. The thesis presents a set of measurement experiments aimed to determine the typical flicker response of LED lamps both under AC and DC supply. Further experiments were performed to reveal the impact of accustomising the driver to the DC supply (removing the diode rectifier). It was found that some lamps show better flicker immunity while other lamps show worse flicker immunity. These experiments are accompanied by LED driver simulations aiming to reproduce and explain the measurement results. The thesis further describes a measurement experiment aimed to show the typical severity of the voltage fluctuation in a low voltage DC network coupled to AC mains and its impact on the flicker. It is concluded that such a system is robust enough to filter out any perturbations coming from the AC supply, but an undesired interaction between the lamp and the supply may occur
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Khon, Elena. « Synthesis and Applications of Heterostructured Semiconductor Nanocrystals ». Bowling Green State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1374512926.

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Harismah, Kun. « Development of New Carbazole Polymers for LED Applications ». Thesis, University of Sheffield, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.500291.

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Thomas, Jacob Matthew. « Photoacoustic CO2 Detection in Biomass Cookstove Applications ». BYU ScholarsArchive, 2020. https://scholarsarchive.byu.edu/etd/8740.

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Billions of people use biomass burning cookstoves in their homes and suffer serious health repercussions. Additionally, global warming is exacerbated by cookstove emissions containing greenhouse gases and particulate matter. Improved cookstoves (ICSs) mitigate the problem, but accurate and affordable emission gas measurements, particularly of Carbon Dioxide (CO2) and Carbon Monoxide (CO), are required in order to confidently declare ICSs cleaner burning than traditional cookstoves. The aim of this research is to assess the suitability of photoacoustic (PA) CO2 detection technology for cookstove emissions monitoring. The designs of several longitudinally resonant, photoacoustic, LED, CO2 sensors of varying levels of functionality are presented. Three aluminum cell designs allowed the detection of a photoacoustic signal: a 4cm long cylinder with a ~1cm diameter (Design 3), a 3.9cm long cylindrical resonator with ~1in diameter and quarter-acoustic-wavelength buffer volumes (Designs 4a,b), and a 3.7cm long cylinder with ~1in diameter (Design 5). All three cell designs operate in the longitudinal resonant mode via the irradiation of gases inside the PA cell with a 4.3um wavelength LED, driven at an on-off frequency in the kHz range by a square wave from an Arduino. A rudimentary lock-in amplifier (LIA) based on the AD630 was considered, but the SR830 LIA was actually used to extract the desired MEMS microphone signal from noise. Designs 3-4b produced PA signals dominated by wall-absorption, but the final design (Design 5) yielded a resonant PA signal proportional to CO2 concentration. It was discovered that photoacoustic gas detection is challenging to design and set up without extensive experience and equipment. Practical lessons learned are shared. Primary limitations with the presented designs are identified as the extremely low power of the 4.3um LEDs, wall absorption due to insufficient collimation of LED radiation, dependence on temperature, and reliance on an expensive, high performance, lock-in amplifier. Further testing and development of designs like Design 5 (short cylinder with large diameter-to-length ratio) is necessary to evaluate their potential for in-field, real-time CO2 concentration measurement. Though LED PA CO2 sensing was demonstrated to be possible, it is concluded that NDIR CO2 sensors are currently better suited for cookstove use. In addition to photoacoustic detection, a method of detecting CO2 concentration by measuring resonant frequency of the gas cell (The Acoustic Method) is presented.
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Ranson, John (John David). « A merged two-stage converter for LED lighting applications ». Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/85485.

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Thesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2012.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 109-110).
Light Emitting Diodes (LEDs) are a very promising technology for developing more efficient lighting. For high-efficiency applications, a switching current regulator is necessary to control the power drawn by an LED string. This thesis investigates a merged two-stage LED driver for lighting applications, with a switched capacitor (SC) voltage preregulator and a HF resonant-transition inverted buck current regulator. The design, analysis and implementation of the HF stage are developed in detail, and a full merged two-stage system is implimented based on a SC stage pulled heavily from the work of Seungbum Lim.
by John Ranson.
M. Eng.
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Livres sur le sujet "LED APPLICATIONS"

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Lasance, Clemens J. M., et András Poppe, dir. Thermal Management for LED Applications. New York, NY : Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4614-5091-7.

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Liu, Sheng, et Xiaobing Luo. LED Packaging for Lighting Applications. Singapore : John Wiley & Sons (Asia) Pte Ltd, 2011. http://dx.doi.org/10.1002/9780470827857.

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Weinert, Jonathan. Led lighting explained : Understanding LED sources, fixtures, applications and opportunities. [Burlington, Mass.] : Philips, 2010.

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Company, Hewlett-Packard. LED indicators and displays applications handbook. Palo Alto, CA : Hewlett Packard, 1986.

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Wang, Kai, Sheng Liu, Xiaobing Luo et Dan Wu. Freeform Optics for LED Packages and Applications. Singapore : John Wiley & Sons Singapore Pte. Ltd, 2017. http://dx.doi.org/10.1002/9781118750001.

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Liu, S. LED packaging for lighting applications : Design, manufacturing, and testing. Hoboken, N.J : Wiley, 2011.

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Zhong hua min guo guang dian xue hui, dir. LED gong cheng shi ji chu gai nian yu ying yong : Fundamental and applications of LED engineers. Taibei Shi : Wu nan tu shu chu ban gong si, 2012.

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Pulsed laser deposition of thin films : Applications-led growth of functional materials. Hoboken, N.J : Wiley-Interscience, 2007.

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1953-, Eason Robert, dir. Pulsed laser depostion of thin films : Applications-led growth of functional materials. Hoboken, NJ : Wiley, 2007.

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J, Linden Kurt, Society of Photo-optical Instrumentation Engineers. et United States. Advanced Research Projects Agency., dir. Laser diode and LED applications III : 10-11 February, 1997, San Jose, California. Bellingham, Washington : SPIE, 1997.

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Chapitres de livres sur le sujet "LED APPLICATIONS"

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Zhang, H., et K. Suganuma. « Sintered Silver for LED Applications ». Dans Die-Attach Materials for High Temperature Applications in Microelectronics Packaging, 35–65. Cham : Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-99256-3_2.

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Karlicek, Robert F. « Future Directions in LED Applications ». Dans Solid State Lighting Technology and Application Series, 519–41. New York, NY : Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-5091-7_16.

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Chunming, Li, Shi Xinna, Xu Yunfeng et Wu Shaoguang. « An LED Assembly Angle Detection System ». Dans Information Computing and Applications, 618–24. Berlin, Heidelberg : Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-25255-6_78.

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Thielemans, Robbie. « LED Display Applications and Design Considerations ». Dans Handbook of Visual Display Technology, 1735–48. Cham : Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-14346-0_76.

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Thielemans, Robbie. « LED Display Applications and Design Considerations ». Dans Handbook of Visual Display Technology, 1–10. Berlin, Heidelberg : Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-35947-7_76-2.

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Thielemans, Robbie. « LED Display Applications and Design Considerations ». Dans Handbook of Visual Display Technology, 1169–80. Berlin, Heidelberg : Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-540-79567-4_76.

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Hwang, Lih Wen. « LED Lighting Applications for Digital Life ». Dans Advances in Intelligent Systems and Computing, 167–71. Cham : Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-07773-4_17.

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Lee, Dong-Seon, et Jang-Hwan Han. « Micro-LED Technology for Display Applications ». Dans Advanced Display Technology, 271–305. Singapore : Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-6582-7_12.

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Lévai, Balázs L., et Balázs Bánhelyi. « Automatic Design of Optimal LED Street Lights ». Dans Optimized Packings with Applications, 175–85. Cham : Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-18899-7_8.

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Bouckaert, F. « Organic LED (OLED) for Automotive Display Applications ». Dans Advanced Microsystems for Automotive Applications 2001, 47–62. Berlin, Heidelberg : Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-18253-2_5.

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Actes de conférences sur le sujet "LED APPLICATIONS"

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Cropper, A. D., Ronald S. Cok et Rodney D. Feldman. « Organic LED system applications ». Dans International Symposium on Optical Science and Technology, sous la direction de Zakya H. Kafafi. SPIE, 2001. http://dx.doi.org/10.1117/12.416897.

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Liu, Timon C., Ping Huang, Jiang Liu, Jian-Ling Yin, Guang-Han Fan et Song-Hao Liu. « LED applications in biomedicine ». Dans Third International Conference on Photonics and Imaging in Biology and Medicine, sous la direction de Qingming Luo, Valery V. Tuchin, Min Gu et Lihong V. Wang. SPIE, 2003. http://dx.doi.org/10.1117/12.546191.

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Ryu, Yungryel, Sungki Hong, Sung J. Son et Jong In Shim. « Hybrid LED and applications ». Dans Oxide-based Materials and Devices XIII, sous la direction de Ferechteh H. Teherani et David J. Rogers. SPIE, 2022. http://dx.doi.org/10.1117/12.2626268.

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Sun, Ching-Cherng, Ivan Moreno, Shih-Hsun Chung, Wei-Ting Chien, Chih-To Hsieh et Tsung-Hsun Yang. « Direct LED backlight for large area LCD TVs : brightness analysis ». Dans Optical Engineering + Applications, sous la direction de Ian T. Ferguson, Nadarajah Narendran, Tsunemasa Taguchi et Ian E. Ashdown. SPIE, 2007. http://dx.doi.org/10.1117/12.735508.

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Kim, Nam Seong, Jae Joon Choi, Jong Jae Yoo, Young in Lee, Kwan-Young Han, Byung-Chul Lee, Hyeon-Song Bang, Woo Young Jung et Jong Soo Kang. « Laser rework for mini-LED chips on flexible PCB for mini-LED backlighting LCD display ». Dans Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXVIII, sous la direction de Laura Gemini, Aiko Narazaki et Jan Kleinert. SPIE, 2023. http://dx.doi.org/10.1117/12.2657797.

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Mir, Muhammad Sarmad, Behnaz Majlesein, Borja Genoves Guzman, Julio Rufo et Domenico Giustiniano. « LED-to-LED based VLC systems ». Dans MobiSys '21 : The 19th Annual International Conference on Mobile Systems, Applications, and Services. New York, NY, USA : ACM, 2021. http://dx.doi.org/10.1145/3469264.3469805.

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Shatalov, Max. « UV LED performance and applications ». Dans 2015 IEEE Photonics Society Summer Topical Meeting Series (SUM). IEEE, 2015. http://dx.doi.org/10.1109/phosst.2015.7248166.

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Winkler, Holger, Holger Enderle, Clemens Kuehn, Ralf Petry et Tim Vosgroene. « Advanced phosphors for LED applications ». Dans Manufacturing LEDs for Lighting and Display, sous la direction de Thomas P. Pearsall. SPIE, 2007. http://dx.doi.org/10.1117/12.761291.

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Nguyen, Francis, Brian Terao et Joe Laski. « Realizing LED illumination lighting applications ». Dans Optics & Photonics 2005, sous la direction de Ian T. Ferguson, John C. Carrano, Tsunemasa Taguchi et Ian E. Ashdown. SPIE, 2005. http://dx.doi.org/10.1117/12.623393.

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Eppeldauer, G. P., C. C. Cooksey, H. W. Yoon, L. M. Hanssen, V. B. Podobedov, R. E. Vest, U. Arp et C. C. Miller. « Broadband radiometric LED measurements ». Dans SPIE Optical Engineering + Applications, sous la direction de Matthew H. Kane, Nikolaus Dietz et Ian T. Ferguson. SPIE, 2016. http://dx.doi.org/10.1117/12.2237033.

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Rapports d'organisations sur le sujet "LED APPLICATIONS"

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Soer, Wouter. High-Efficacy High-Power LED for Directional Applications. Office of Scientific and Technical Information (OSTI), juillet 2018. http://dx.doi.org/10.2172/1462112.

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Author, Not Given. An Efficient LED System-in-Module for General Lighting Applications. Office of Scientific and Technical Information (OSTI), septembre 2008. http://dx.doi.org/10.2172/1053045.

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Mills, Evan. Assessing the Performance of 5mm White LED Light Sources forDeveloping-Country Applications. Office of Scientific and Technical Information (OSTI), mai 2007. http://dx.doi.org/10.2172/923294.

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Kinzey, B. R., M. A. Myer, M. P. Royer et G. P. Sullivan. Use of Occupancy Sensors in LED Parking Lot and Garage Applications : Early Experiences. Office of Scientific and Technical Information (OSTI), octobre 2012. http://dx.doi.org/10.2172/1220082.

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Kinzey, Bruce R., Michael Myer, Michael P. Royer et Greg P. Sullivan. Use of Occupancy Sensors in LED Parking Lot and Garage Applications : Early Experiences. Office of Scientific and Technical Information (OSTI), novembre 2012. http://dx.doi.org/10.2172/1057365.

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Soer, Wouter. High-Luminance LED Platform for Improved Efficacy in Directional Applications (Final Technical Report). Office of Scientific and Technical Information (OSTI), septembre 2021. http://dx.doi.org/10.2172/1825220.

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Schmidt-Sane, Megan, Tabitha Hrynick et Eva Niederberger. Community Resilience : Key Concepts and their Applications to Epidemic Shocks. Institute of Development Studies (IDS), janvier 2021. http://dx.doi.org/10.19088/sshap.2021.003.

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The COVID-19 pandemic has exposed long-standing social inequalities and vulnerabilities, with the most disadvantaged and marginalised groups bearing the greatest health, social, and economic burdens. Beyond documenting these vulnerabilities, there is a need to mitigate them and support the resilience of marginalised communities. ‘Community resilience’ can bolster community capacity to cope with the pressures of various shocks; this brief explores how its concepts can be applied to epidemics. It reviews the grey and academic literature on different approaches to community resilience. It covers 1) terminology, 2) lessons from practice, 3) the context of community resilience, 4) a systems approach, and 5) key human and social capacities. Social justice, inequality, equity, and fairness are highlighted as themes in need of further development for resilience as it relates to epidemic preparedness and response. This brief was developed for SSHAP by IDS (led by Megan Schmidt-Sane with Tabitha Hrynick) with Anthrologica (Eva Niederberger).
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Schmidt-Sane, Megan, Tabitha Hrynick et Eva Niederberger. Community Resilience : Key Concepts and their Applications to Epidemic Shocks. Institute of Development Studies (IDS), février 2021. http://dx.doi.org/10.19088/sshap.2021.027.

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The COVID-19 pandemic has exposed long-standing social inequalities and vulnerabilities, with the most disadvantaged and marginalised groups bearing the greatest health, social, and economic burdens. Beyond documenting these vulnerabilities, there is a need to mitigate them and support the resilience of marginalised communities. ‘Community resilience’ can bolster community capacity to cope with the pressures of various shocks; this brief explores how its concepts can be applied to epidemics. It reviews the grey and academic literature on different approaches to community resilience. It covers 1) terminology, 2) lessons from practice, 3) the context of community resilience, 4) a systems approach, and 5) key human and social capacities. Social justice, inequality, equity, and fairness are highlighted as themes in need of further development for resilience as it relates to epidemic preparedness and response. This brief was developed for SSHAP by IDS (led by Megan Schmidt-Sane with Tabitha Hrynick) with Anthrologica (Eva Niederberger).
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Schmidt-Sane, Megan, Tabitha Hrynick et Eva Niederberger. Community Resilience : Key Concepts and their Applications to Epidemic Shocks. Institute of Development Studies (IDS), janvier 2021. http://dx.doi.org/10.19088/sshap.2021.026.

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Résumé :
The COVID-19 pandemic has exposed long-standing social inequalities and vulnerabilities, with the most disadvantaged and marginalised groups bearing the greatest health, social, and economic burdens. Beyond documenting these vulnerabilities, there is a need to mitigate them and support the resilience of marginalised communities. ‘Community resilience’ can bolster community capacity to cope with the pressures of various shocks; this brief explores how its concepts can be applied to epidemics. It reviews the grey and academic literature on different approaches to community resilience. It covers 1) terminology, 2) lessons from practice, 3) the context of community resilience, 4) a systems approach, and 5) key human and social capacities. Social justice, inequality, equity, and fairness are highlighted as themes in need of further development for resilience as it relates to epidemic preparedness and response. This brief was developed for SSHAP by IDS (led by Megan Schmidt-Sane with Tabitha Hrynick) with Anthrologica (Eva Niederberger).
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Elacqua, Gregory, Leidy Gómez, Thomas Krussig, Carolina Méndez et Christopher Neilson. The Potential of Smart Matching Platforms in Teacher Assignment : The Case of Ecuador. Inter-American Development Bank, septembre 2022. http://dx.doi.org/10.18235/0004476.

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This paper studies the potential of personalized "smart" information interven- tions to improve teacher assignment results in the context of a centralized choice and assignment system (CCAS) in Ecuador. Specifically, we focus on the impact that a personalized non-assignment risk warning, coupled with a list of "achiev- able" teaching position recommendations, had on teacher applications in the “I Want to Become a Teacher” selection process. We study the causal effect of the intervention on teachers school choices, assessing its impact on the equilibrium probability of being assigned and on the overall results of the selection process, both in terms of the percentage of filled vacancies and the selection scores of as- signed teachers. We find that treated teachers, in equilibrium, are much more likely to modify their application and obtain an assignment. This result highlights the potential of similar information interventions in other contexts. We furthermore present evidence that the intervention led to increased overall assignment rates and selection scores.
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