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Author:
Publisher:
ISBN: 9783900734848
Category : Light emitting diodes
Languages : en
Pages : 24
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Book Description
Author:
Publisher:
ISBN: 9783900734848
Category : Light emitting diodes
Languages : en
Pages : 24
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Book Description
Author: M. Nisa Khan
Publisher: CRC Press
ISBN: 1000755754
Category : Science
Languages : en
Pages : 212
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Book Description
Understanding LED Illumination elucidates the science of lighting for light emitting diodes. It presents concepts, theory, simulations, and new design techniques that shine the spotlight on illumination, energy efficiency, and reducing electrical power consumption. The text provides an introduction to the fundamentals of LED lamp design, and highli
Author: Günther Leschhorn
Publisher:
ISBN: 9783864606434
Category :
Languages : en
Pages : 144
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Book Description
Author: Clemens J.M. Lasance
Publisher: Springer Science & Business Media
ISBN: 1461450918
Category : Technology & Engineering
Languages : en
Pages : 550
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Book Description
Thermal Management for LED Applications provides state-of-the-art information on recent developments in thermal management as it relates to LEDs and LED-based systems and their applications. Coverage begins with an overview of the basics of thermal management including thermal design for LEDs, thermal characterization and testing of LEDs, and issues related to failure mechanisms and reliability and performance in harsh environments. Advances and recent developments in thermal management round out the book with discussions on advances in TIMs (thermal interface materials) for LED applications, advances in forced convection cooling of LEDs, and advances in heat sinks for LED assemblies.
Author: Inc. Igic
Publisher: Information Gatekeepers Inc
ISBN: 9781568510538
Category : Technology & Engineering
Languages : en
Pages : 874
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Book Description
Author: T. Q. Khan
Publisher: John Wiley & Sons
ISBN: 3527412123
Category : Science
Languages : en
Pages : 517
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Book Description
Promoting the design, application and evaluation of visually and electrically effective LED light sources and luminaires for general indoor lighting as well as outdoor and vehicle lighting, this book combines the knowledge of LED lighting technology with human perceptual aspects for lighting scientists and engineers. After an introduction to the human visual system and current radiometry, photometry and color science, the basics of LED chip and phosphor technology are described followed by specific issues of LED radiometry and the optical, thermal and electric modeling of LEDs. This is supplemented by the relevant practical issues of pulsed LEDs, remote phosphor LEDs and the aging of LED light sources. Relevant human visual aspects closely related to LED technology are described in detail for the photopic and the mesopic range of vision, including color rendering, binning, whiteness, Circadian issues, as well as flicker perception, brightness, visual performance, conspicuity and disability glare. The topic of LED luminaires is discussed in a separate chapter, including retrofit LED lamps, LED-based road and street luminaires and LED luminaires for museum and school lighting. Specific sections are devoted to the modularity of LED luminaires, their aging and the planning and evaluation methods of new LED installations. The whole is rounded off by a summary and a look towards future developments.
Author: Jungsang Kim
Publisher: Springer Science & Business Media
ISBN: 9783540677178
Category : Technology & Engineering
Languages : en
Pages : 270
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Book Description
Supplies readers with the basic knowledge and guidance for the application of new lasers and light-emitting devices. The first part of the book discusses the generation of sub-shot-noise light in macroscopic pn junction light emitting devices, the second part is on the application of squeezed light in high-precision measurement, the third part concerns the Coulomb blockade effect in a mesoscopic pn junction and generation of single photon states, and the last part is on the detection of single photons using a visible light photon counter.
Author: Sheldon Cohen
Publisher: Oxford University Press
ISBN: 0190283882
Category : Psychology
Languages : en
Pages : 256
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Book Description
Measuring Stress is the definitive resource for health and social scientists interested in assessing stress in humans. With contributions from leading experts, this work provides for the first time a unified conceptual overview of the intricate relationship between stress and a variety of disorders. Its interdisciplinary approach to the selection of appropriate environmental, psychological, and biological measures includes comprehensive evaluations and practical advice regarding a wide range of measurement approaches. For environmental stress, techniques such as checklists and interviews that measure life event, daily event, and chronic stress are discussed. An analysis of psychological measurements includes methods for assessing stress appraisal and affective response. Neuroendocrine, cardiovascular, and immune measures are examined as important biological stress assessments. Contributors also uncover the conceptual underpinnings of each approach as well as the various costs and benefits of available assessment techniques. Reflecting the diversity of theoretical conceptions of stress, Measuring Stress masterfully provides integrative, incisive guidelines that will prove invaluable to students, clinicians, and researchers in health and social psychology, medicine, nursing, epidemiology, sociology, and psychiatry.
Author: United States. Congress. House. Committee on Appropriations
Publisher:
ISBN:
Category :
Languages : en
Pages : 922
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Book Description
Author: Marta Rencz
Publisher: Springer Nature
ISBN: 3030861740
Category : Technology & Engineering
Languages : en
Pages : 389
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Book Description
This book discusses the significant aspects of thermal transient testing, the most important method of thermal characterization of electronics available today. The book presents the theoretical background of creating structure functions from the measured results with mathematical details. It then shows how the method can be used for thermal qualification, structure integrity testing, determining material parameters, and calibrating simulation models. General practical questions about measurements are discussed to help beginners carry out thermal transient testing. The particular problems and tricks of measuring with various electronic components, such as Si diodes, bipolar transistors, MOS transistors, IGBT devices, resistors, capacitors, wide bandgap materials, and LEDs, are covered in detail with the help of various use cases. This hands-on book will enable readers to accomplish thermal transient testing on any new type of electronics and provides the theoretical details needed to understand the opportunities and limitations offered by the methodology. The book will be an invaluable reference for practicing engineers, students, and researchers.
