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LED Lighting : Technology and Perception.
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 scienti...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Otros Autores: | , , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Hoboken :
Wiley,
2014.
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| Temas: | |
| Acceso en línea: | Texto completo |
MARC
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| 049 | |a UAMI | ||
| 100 | 1 | |a Khan, T. Q. | |
| 245 | 1 | 0 | |a LED Lighting : |b Technology and Perception. |
| 260 | |a Hoboken : |b Wiley, |c 2014. | ||
| 300 | |a 1 online resource (517 pages) | ||
| 336 | |a text |b txt |2 rdacontent | ||
| 337 | |a computer |b c |2 rdamedia | ||
| 338 | |a online resource |b cr |2 rdacarrier | ||
| 588 | 0 | |a Print version record. | |
| 505 | 0 | |6 880-01 |a Related Titles; Title Page; Copyright; Foreword; Table of the Coauthors; Preface; Chapter 1: Introduction; Reference; Chapter 2: The Human Visual System and Its Modeling for Lighting Engineering; 2.1 Visual System Basics; 2.2 Radiometry and Photometry; 2.3 Colorimetry and Color Science; 2.4 LED Specific Spectral and Colorimetric Quantities; 2.5 Circadian Effect of Electromagnetic Radiation; References; Chapter 3: LED Components -- Principles of Radiation Generation and Packaging; 3.1 Introduction to LED Technology; 3.2 Basic Knowledge on Color Semiconductor LEDs; 3.3 Color Semiconductor LEDs. | |
| 505 | 8 | |a 3.4 Phosphor Systems and White Phosphor-Converted LEDs3.5 Green and Red Phosphor-Converted LEDs; References; Chapter 4: Measurement and Modeling of the LED Light Source; 4.1 LED Radiometry, Photometry, and Colorimetry; 4.2 Thermal and Electric Behavior of Color Semiconductor LEDs; 4.3 Thermal and Electric Behavior of White Phosphor-Converted LEDs; 4.4 Consequences for LED Selection Under Real Operation Conditions; 4.8 Measurement Methods to Determine the Thermal Characteristics of LED Devices; 4.9 Thermal and Optical Behavior of Blue LEDs, Silicon Systems, and Phosphor Systems. | |
| 505 | 8 | |a 4.11 Lifetime Extrapolation4.12 LED Dimming Behavior; References; Chapter 5: Photopic Perceptual Aspects of LED Lighting; 5.1 Introduction to the Different Aspects of Light and Color Quality; 5.2 Color Rendering Indices: CRI, CRI2012; 5.3 Semantic Interpretation of Color Differences and Color Rendering Indices; 5.4 Object Specific Color Rendering Indices of Current White LED Light Sources; 5.5 Color Preference Assessment: Comparisons Between CRI, CRI2012, and CQS; 5.6 Brightness, Chromatic Lightness, and Color Rendering of White LEDs; 5.7 White Point Characteristics of LED Lighting. | |
| 505 | 8 | |a 5.8 Chromaticity Binning of White LEDs5.9 Visual Experiments (Real Field Tests) on the Color Quality of White LEDs; 5.10 Circadian Stimulus, Color Temperature, and Color Rendering of White LEDs; 5.11 Flicker and Stroboscopic Perception of White LEDs under Photopic Conditions; References; Chapter 6: Mesopic Perceptual Aspects of LED Lighting; 6.1 Foundations and Models of Mesopic Brightness and Visual Performance; 6.2 Mesopic Brightness under LED Based and Conventional Automotive Front Lighting Light Sources; 6.3 Mesopic Visual Performance under LED Lighting Conditions. | |
| 505 | 8 | |a 6.4 Visual Acuity in the Mesopic Range with Conventional Light Sources and White LEDs6.5 Detection and Conspicuity of Road Markings in the Mesopic Range; 6.6 Glare under Mesopic Conditions; 6.7 Bead String Artifact of PWM Controlled LED Rear Lights at Different Frequencies; 6.8 Summarizing Remarks to Chapter 6; References; Chapter 7: Optimization and Characterization of LED Luminaires for Indoor Lighting; 7.1 Indoor Lighting -- Application Fields and Requirements; 7.2 Basic Aspects of LED-Indoor Luminaire Design; 7.3 Selection Criteria for LED Components and Units. | |
| 520 | |a 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. | ||
| 590 | |a ProQuest Ebook Central |b Ebook Central Academic Complete | ||
| 650 | 0 | |a Light emitting diodes. | |
| 650 | 4 | |a Electroluminescent devices. | |
| 650 | 4 | |a Semiconductor lasers. | |
| 650 | 4 | |a Light emitting diodes. | |
| 650 | 6 | |a Diodes électroluminescentes. | |
| 650 | 7 | |a Light emitting diodes |2 fast | |
| 700 | 1 | |a Bodrogi, P. | |
| 700 | 1 | |a Vinh, Q. T. | |
| 700 | 1 | |a Winkler, H. | |
| 758 | |i has work: |a LED lighting (Text) |1 https://id.oclc.org/worldcat/entity/E39PCGj6kKtCHhbGjv6KYqRD7b |4 https://id.oclc.org/worldcat/ontology/hasWork | ||
| 776 | 0 | 8 | |i Print version: |a Khan, T.Q. |t LED Lighting : Technology and Perception. |d Hoboken : Wiley, ©2014 |z 9783527412129 |
| 856 | 4 | 0 | |u https://ebookcentral.uam.elogim.com/lib/uam-ebooks/detail.action?docID=1874137 |z Texto completo |
| 880 | 0 | |6 505-00/(S |a LED Lighting -- Foreword -- Contents -- Table of the Coauthors -- Preface -- Chapter 1 Introduction -- Reference -- Chapter 2 The Human Visual System and Its Modeling for Lighting Engineering -- 2.1 Visual System Basics -- 2.1.1 The Way of Visual Information -- 2.1.2 Perception -- 2.1.3 Structure of the Human Eye -- 2.1.4 The Pupil -- 2.1.5 Accommodation -- 2.1.6 The Retina -- 2.1.7 Cone Mosaic and Spectral Sensitivities -- 2.1.8 Receptive Fields and Spatial Vision -- 2.2 Radiometry and Photometry -- 2.2.1 Radiant Power (Radiant Flux) and Luminous Flux -- 2.2.2 Irradiance and Illuminance -- 2.2.3 Radiant Intensity and Luminous Intensity -- 2.2.4 Radiance and Luminance -- 2.2.5 Degrees of Efficiency for Electric Light Sources -- 2.3 Colorimetry and Color Science -- 2.3.1 Color Matching Functions and Tristimulus Values -- 2.3.2 Color Appearance, Chromatic Adaptation, Color Spaces, and Color Appearance Models -- 2.3.2.1 Perceived Attributes of Color Perception -- 2.3.2.2 Chromatic Adaptation -- 2.3.2.3 CIELAB Color Space -- 2.3.2.4 The CIECAM02 Color Appearance Model -- 2.3.3 Modeling of Color Difference Perception -- 2.3.3.1 MacAdam Ellipses -- 2.3.3.2 u', v' Chromaticity Diagram -- 2.3.3.3 CIELAB Color Difference -- 2.3.3.4 CAM02-UCS Uniform Color Space and Color Difference -- 2.3.4 Blackbody Radiators and Phases of Daylight in the x, y Chromaticity Diagram -- 2.4 LED Specific Spectral and Colorimetric Quantities -- 2.4.1 Peak Wavelength (λP) -- 2.4.2 Spectral Bandwidth at Half Intensity Level (Δλ0.5) -- 2.4.3 Centroid Wavelength (λC) -- 2.4.4 Colorimetric Quantities Derived from the Spectral Radiance Distribution of the LED Light Source -- 2.4.4.1 Dominant Wavelength (λD) -- 2.4.4.2 Colorimetric Purity (pC) -- 2.5 Circadian Effect of Electromagnetic Radiation -- 2.5.1 The Human Circadian Clock -- References. | |
| 880 | 8 | |6 505-00/(S |a Chapter 3 LED Components -- Principles of Radiation Generation and Packaging -- 3.1 Introduction to LED Technology -- 3.2 Basic Knowledge on Color Semiconductor LEDs -- 3.2.1 Injection Luminescence -- 3.2.2 Homo-Junction, Hetero-Junction, and Quantum Well -- 3.2.2.1 Homo-Junction -- 3.2.2.2 Hetero-Junction -- 3.2.2.3 Quantum Well -- 3.2.3 Recombination -- 3.2.3.1 Direct and Indirect Recombination -- 3.2.3.2 Radiative and Nonradiative Recombinations and Their Simple Theoretical Quantification -- 3.2.4 Efficiency -- 3.2.4.1 Internal Quantum Efficiency (ηi) -- 3.2.4.2 Injection Efficiency (ηinj) -- 3.2.4.3 Light Extraction Efficiency (ηextraction) -- 3.2.4.4 External Quantum Efficiency (ηext) -- 3.2.4.5 Radiant Efficiency (ηe, See Section 2.2.5, Eq. (2.13)) -- 3.2.4.6 Luminous Efficacy (ηv) -- 3.2.5 Semiconductor Material Systems -- Efficiency, Possibilities, and Limits -- 3.2.5.1 Possible Semiconductor Systems -- 3.2.5.2 Semiconductor Systems for Amber-Red Semiconductor LEDs -- 3.2.5.3 Semiconductor Systems for UV-Blue-Green Semiconductor LEDs -- 3.2.5.4 The Green Efficiency Gap of Color Semiconductor LEDs -- 3.3 Color Semiconductor LEDs -- 3.3.1 Concepts of Matter Waves of de Broglie -- 3.3.2 The Physical Mechanism of Photon Emission -- 3.3.3 Theoretical Absolute Spectral Power Distribution of a Color Semiconductor LED -- 3.3.4 Characteristic Parameters of the LEDs Absolute Spectral Power Distribution -- 3.3.5 Role of the Input Forward Current -- 3.3.6 Summary -- 3.4 Phosphor Systems and White Phosphor-Converted LEDs -- 3.4.1 Introduction to Phosphors -- 3.4.2 Luminescence Mechanisms -- 3.4.3 Aluminum Garnets -- 3.4.4 Alkaline Earth Sulfides -- 3.4.5 Alkaline Earth Ortho-Silicates -- 3.4.6 Alkaline Earth Oxy-Ortho-Silicates -- 3.4.7 Nitride Phosphors -- 3.4.7.1 CASN -- 3.4.7.2 2-5-8-Nitrides. | |
| 880 | 8 | |6 505-01/(S |a 3.4.7.3 1-2-2-2 Oxynitrides -- 3.4.7.4 β-SiAlON -- 3.4.8 Phosphor-Coating Methods -- 3.4.9 Challenges of Volumetric Dispensing Methods -- 3.4.10 Influence of Phosphor Concentration and Thickness on LED Spectra -- 3.5 Green and Red Phosphor-Converted LEDs -- 3.5.1 The Phosphor-Converted System -- 3.5.2 Chromaticity Considerations -- 3.5.3 Phosphor Mixtures for the White Phosphor-Converted LEDs -- 3.5.4 Colorimetric Characteristics of the Phosphor-Converted LEDs -- 3.6 Optimization of LED Chip-Packaging Technology -- 3.6.1 Efficiency Improvement for the LED Chip -- 3.6.2 Molding and Positioning of the Phosphor System -- 3.6.3 Substrate Technology -- Integration Degree -- References -- Chapter 4 Measurement and Modeling of the LED Light Source -- 4.1 LED Radiometry, Photometry, and Colorimetry -- 4.1.1 Spatially Resolved Luminance and Color Measurement of LED Components -- 4.1.2 Integrating Sphere Based Spectral Radiant Flux and Luminous Flux Measurement -- 4.2 Thermal and Electric Behavior of Color Semiconductor LEDs -- 4.2.1 Temperature and Current Dependence of Color Semiconductor LED Spectra -- 4.2.1.1 Temperature Dependence of Color Semiconductor LED Spectra -- 4.2.1.2 Current Dependence of Color Semiconductor LED Spectra -- 4.2.2 Temperature and Current Dependence of Radiant Flux and Radiant Efficiency of Color Semiconductor LEDs -- 4.2.2.1 Temperature Dependence of Radiant Flux and Radiant Efficiency of Color Semiconductor LEDs -- 4.2.2.2 Current Dependence of Radiant Flux and Radiant Efficiency of Color Semiconductor LEDs -- 4.2.2.3 Conclusion -- 4.2.3 Temperature and Current Dependence of the Chromaticity Difference of Color Semiconductor LEDs -- 4.2.3.1 Temperature Dependence of the Chromaticity Difference of the Color Semiconductor LEDs. | |
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