Human Centric Interior Lighting

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Human Centric Interior Lighting

Tran Quoc Khanh,Peter Bodrogi,Trinh Quang Vinh
Human Centric Interior Lighting Book PDF

Author : Tran Quoc Khanh,Peter Bodrogi,Trinh Quang Vinh
Publisher : John Wiley & Sons
Page : 501 pages
File Size : 49,9 Mb
Release : 2023-10-16
Category : Science
ISBN : 9783527414000

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Human Centric Interior Lighting by Tran Quoc Khanh,Peter Bodrogi,Trinh Quang Vinh Pdf

Human Centric Integrative Lighting Detailed presentation of the technical and non-technical aspects of modern lighting and its effect on humans Human Centric Integrative Lighting provides a highly comprehensive overview of the subject, also referred to as human-centered indoor lighting technology; taking a practice-oriented approach, scientific findings in the field are condensed into models that can be directly used by developers. Written by leading scientists in the field of lighting technology, Human Centric Integrative Lighting includes detailed information on: Fundamentals of lighting technology as it interacts with human perception and the current state of interior lighting today Basic principles of human centric integrative lighting and its various aspects, such as visual performance, color quality, emotional impact, and correlation of relevant parameters Comprehensive lighting quality models and subsequently derived recommendations for the practical implementation of concepts Relevant research findings from journals, patent specifications, and standards to provide a unified outlook on the field Providing a comprehensive overview of the current state of development in the field, Human Centric Integrative Lighting discusses validated physiological and psychological perceptual models on which manufacturers of lighting products and suppliers of lighting technology solutions can base key design and development decisions. lighting products; lighting technology solutions; lighting design; lighting development; human-centered indoor lighting technology; lighting color quality; lighting principles; lighting emotional impact; lighting quality; lighting research

Human Centric Integrative Lighting

Tran Quoc Khanh,Peter Bodrogi,Trinh Quang Vinh
Human Centric Integrative Lighting Book PDF

Author : Tran Quoc Khanh,Peter Bodrogi,Trinh Quang Vinh
Publisher : John Wiley & Sons
Page : 501 pages
File Size : 50,5 Mb
Release : 2023-08-01
Category : Science
ISBN : 9783527831524

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Human Centric Integrative Lighting by Tran Quoc Khanh,Peter Bodrogi,Trinh Quang Vinh Pdf

Human Centric Integrative Lighting Detailed presentation of the technical and non-technical aspects of modern lighting and its effect on humans Human Centric Integrative Lighting provides a highly comprehensive overview of the subject, also referred to as human-centered indoor lighting technology; taking a practice-oriented approach, scientific findings in the field are condensed into models that can be directly used by developers. Written by leading scientists in the field of lighting technology, Human Centric Integrative Lighting includes detailed information on: Fundamentals of lighting technology as it interacts with human perception and the current state of interior lighting today Basic principles of human centric integrative lighting and its various aspects, such as visual performance, color quality, emotional impact, and correlation of relevant parameters Comprehensive lighting quality models and subsequently derived recommendations for the practical implementation of concepts Relevant research findings from journals, patent specifications, and standards to provide a unified outlook on the field Providing a comprehensive overview of the current state of development in the field, Human Centric Integrative Lighting discusses validated physiological and psychological perceptual models on which manufacturers of lighting products and suppliers of lighting technology solutions can base key design and development decisions. lighting products; lighting technology solutions; lighting design; lighting development; human-centered indoor lighting technology; lighting color quality; lighting principles; lighting emotional impact; lighting quality; lighting research

Architectural Interior Lighting

Gurkan Ozenen
Architectural Interior Lighting Book PDF

Author : Gurkan Ozenen
Publisher : Springer Nature
Page : 120 pages
File Size : 49,7 Mb
Release : 2024-01-09
Category : Architecture
ISBN : 9783031496950

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Architectural Interior Lighting by Gurkan Ozenen Pdf

Architectural Interior Lighting is an essential guide to creating well-lit, visually appealing interior spaces. The book begins with an overview of light and color theory, lighting fundamentals, and design principles. It then covers artificial, natural, decorative, and professional lighting in interior design, as well as standards and regulations, controls and systems, sustainable lighting, energy efficiency, light pollution reduction, and the use of environmentally friendly materials. With a focus on practical applications and real-world examples, this book provides readers with the tools and knowledge necessary to achieve their design goals while considering the latest trends and techniques in the field. A valuable resource for professionals and students in architecture and lighting design, it will also appeal to anyone interested in creating visually stunning and functional interior spaces.

New Frontiers for Design of Interior Lighting Products

Andrea Siniscalco
New Frontiers for Design of Interior Lighting Products Book PDF

Author : Andrea Siniscalco
Publisher : Springer Nature
Page : 128 pages
File Size : 41,9 Mb
Release : 2021-05-27
Category : Technology & Engineering
ISBN : 9783030757823

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New Frontiers for Design of Interior Lighting Products by Andrea Siniscalco Pdf

This book explores the single components that commonly constitute luminaires for interiors, describing their operating principles, families, strengths and weaknesses. It opens with the product classification and main standard requirements. The following chapters describe the different components: light sources, power supplies, thermal dissipation techniques, control technologies, optical systems. The description focuses on the most recent technologies to allow the reader to consider a product design capable of confronting future lighting scenarios. The book provides a simple path addressed to all those who want to try their hand at designing luminaires for interiors, even without a specific engineering background.

Interior Lighting

Wout van Bommel
Interior Lighting Book PDF

Author : Wout van Bommel
Publisher : Springer
Page : 483 pages
File Size : 50,7 Mb
Release : 2019-08-13
Category : Science
ISBN : 9783030171957

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Interior Lighting by Wout van Bommel Pdf

This book outlines the underlying principles on which interior lighting should be based, provides detailed information on the lighting hardware available today and gives guidance for the design of interior lighting installations resulting in good visual performance and comfort, alertness and health. The book is divided into three parts. Part One discusses the fundamentals of the visual and non-visual mechanisms and the practical consequences for visual performance and comfort, for sleep, daytime alertness and performance, and includes chapters on age effects, therapeutic effects and hazardous effects of lighting. Part Two deals with the lighting hardware: lamps (with emphasis on LEDs), gear, drivers and luminaires including chapters about lighting controls and LEDs beyond lighting. Part Three is the application part, providing the link between theory and practice and supplying the reader with the knowledge needed for lighting design. It describes the relevant lighting criteria for good and efficient interior lighting and discusses the International, European and North American standards and recommendations for interior lighting. A particular focus is on solid state light sources (LEDs) and the possibility to design innovative, truly-sustainable lighting installations that are adaptable to changing circumstances. The design of such installations is difficult and the book offers details of the typical characteristics of the many different solid state light sources, and of the aspects determining the final quality of interior lighting. Essential reading for interior lighting designers, lighting engineers and architects, the book will also be a useful reference for researchers and students. Reviews of Road Lighting by the same author: "If you are going to design streetlighting, you must read this book....a solid, comprehensive textbook written by an acknowledged expert in the field – if you have a query about any aspect of streetlighting design, you will find the answer here.” – LUX, August 2015 “...a realy comprehensive book dealing with every aspect of the subject well...essential text for reference on this subject” – Lighting Journal, March 2015

Art, Design, Communication and Fashion: An Interdisciplinary Approach

Prof. Dr. Anna MELNIKOVA,Prof. Dr. Gonca ERIM,Derya AYDIN,Gül AGAOGLU COBANLAR,Seyma KOYUNCU,Assoc. Prof. Lívia Juliana Silva SOLINO,Assoc. Prof. Aline Gabriel FREIRE,Marcos Daniel da Silva OLIVEIRA,Emmanuele VITO,Nara Pereira da Costa DANTAS,Thaiane Raissa Albino da SILVA,Prof. Dr. Roma Madan SONI,Assist. Prof. Cláudia Pedro SANTOS
Art Design Communication and Fashion An Interdisciplinary Approach Book PDF

Author : Prof. Dr. Anna MELNIKOVA,Prof. Dr. Gonca ERIM,Derya AYDIN,Gül AGAOGLU COBANLAR,Seyma KOYUNCU,Assoc. Prof. Lívia Juliana Silva SOLINO,Assoc. Prof. Aline Gabriel FREIRE,Marcos Daniel da Silva OLIVEIRA,Emmanuele VITO,Nara Pereira da Costa DANTAS,Thaiane Raissa Albino da SILVA,Prof. Dr. Roma Madan SONI,Assist. Prof. Cláudia Pedro SANTOS
Publisher : GLOBAL ACADEMY YAYINCILIK VE DANIŞMANLIK HİZMETLERİ SANAYİ TİCARET LİMİTED ŞİRKETİ
Page : 146 pages
File Size : 47,6 Mb
Release : 2023-04-28
Category : Antiques & Collectibles
ISBN : 9786258284683

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Art, Design, Communication and Fashion: An Interdisciplinary Approach by Prof. Dr. Anna MELNIKOVA,Prof. Dr. Gonca ERIM,Derya AYDIN,Gül AGAOGLU COBANLAR,Seyma KOYUNCU,Assoc. Prof. Lívia Juliana Silva SOLINO,Assoc. Prof. Aline Gabriel FREIRE,Marcos Daniel da Silva OLIVEIRA,Emmanuele VITO,Nara Pereira da Costa DANTAS,Thaiane Raissa Albino da SILVA,Prof. Dr. Roma Madan SONI,Assist. Prof. Cláudia Pedro SANTOS Pdf

Preface Art, Design, Communication and Fashion: An Interdisciplinary Approach; is a thought-provoking book for academics, researchers, doctoral students and policymakers interested in fine arts, design, fashion and the field, providing valuable information on contemporary issues in art, design, fashion. In this book; the first chapter aims to prepare pre-service teachers while serving the community by addressing the previously identified needs with an emphasis on the pedagogical methodology of service learning (S-L). S-L is different from volunteering and internships. In this context, the process of implementing S-L at the Royal Conservatory of Music of Granada is described. Popular culture is defined as a way of life that the majority of people in society live or will live. In the second chapter, visual art teachers' views on popular culture and approaches in classrooms are investigated. The third chapter highlights the potential for strategically designed systems, known as circadian lighting, to have a beneficial impact on people's health, alertness, productivity, and more. Since the fourth chapter is about holistic knowledge of the design process in fashion design, which is one of the fundamental skills for any graduate in the field, it is aimed to diagnose the curricular knowledge of the graduates of fashion design at the Federal Institute of Rio Grande do Norte (IFRN) - Caicó campus in the context of the idea that the student of Fashion Design should have a theoretical and practical mastery of the contents. Also this chapter aims to diagnose the level of mastery of curricular content by undergraduates in Fashion Design at IFRN – Caicó. The fifth chapter explains whether the materials of cardboard boxes and umbrellas can be recycled in fashion, as well as whether a garment can be created from the materials, in the context of economic, environmental and social sustainability concepts. The sixth chapter provides examples of how the artist uses symbols to convey a message of protection and attract attention. In general, considerations in the context of mythology studies include a close analysis of works of art that use mythological themes and symbols to represent ecosystems, and an assessment of the cultural and historical contexts in which these works of art were created. It is thought that this chapter will contribute to the ongoing study of how art fits into a broader tradition of mythical representations of natural environments and environmentalism in art. The seventh chapter discusses some sustainable design products, taking into account the importance given to the product life cycle in Portugal in the context of developing products with national and environmentally friendly materials that have the agreed-upon value for material culture. The authors of this book present a wealth of literature and research that will contribute to an understanding of the role of decision-makers and international organizations in the field of fine art in promoting growth and development. The book is an excellent resource for anyone interested in learning about the most recent trends and emerging issues in the fine art field.

Engineering Psychology and Cognitive Ergonomics

Don Harris,Wen-Chin Li
Engineering Psychology and Cognitive Ergonomics Book PDF

Author : Don Harris,Wen-Chin Li
Publisher : Springer Nature
Page : 621 pages
File Size : 52,9 Mb
Release : 2023-07-08
Category : Computers
ISBN : 9783031353895

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Engineering Psychology and Cognitive Ergonomics by Don Harris,Wen-Chin Li Pdf

This two-volume set LNCS 14017 - 14018 constitutes the thoroughly refereed proceedings of the 20th International Conference on Engineering Psychology and Cognitive Ergonomics, EPCE 2023, held as part of HCI International 2023 which took place in Copenhagen, Denmark, during July 23-28, 2023. A total of 1578 papers and 396 posters have been accepted for publication in the HCII 2023 proceedings from a total of 7472 submissions. The papers included in the HCII-EPCE volume set were organized in topical sections as follows: Part I: Stress, fatigue, and mental workload; human performance and error management; resilience and performance in demanding contexts. Part II: Human factors in aviation; human factors in operations management; human-centered design of autonomous systems.

Fundamentals of Lighting

Susan Winchip
Fundamentals of Lighting Book PDF

Author : Susan Winchip
Publisher : Bloomsbury Publishing USA
Page : 286 pages
File Size : 55,5 Mb
Release : 2022-03-24
Category : Architecture
ISBN : 9781501370250

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Fundamentals of Lighting by Susan Winchip Pdf

Fundamentals of Lighting, 4th Edition, takes a practical and integrated approach to the study of lighting and design. Specifically, the text focuses on how interior lighting designs can address the healthy building movement, human-centric lighting design, and international green guidelines and standards for energy efficiency. Now with case studies and sample lighting plans, learning becomes hands on. This comprehensive textbook is divided into two parts and is organized sequentially to develop a fundamental understanding of how to design quality lighting environments. Part One explores the principles of lighting design. Part Two focuses on lighting design applications and the design process, in both residential and commercial environments. New to this Edition -Focus on healthy building movement using human-centric quality lighting design -Inclusion of international green guidelines and standards for energy efficiency for up-to-date industry practices -Enhanced student learning activities, including case studies and lighting plans STUDIO Includes -Study smarter with self-quizzes featuring scored results and personalized study tips -Review concepts with flashcards of essential vocabulary Instructor Resources -Instructor Guide to help integrate text content to classroom and online learning platforms -Test Bank covering key concepts and learning benchmarks -PowerPoint® slide decks for each chapter -CIDA Standards Matrix to help show how key concepts can be integrated and adapted into CIDA standards

12th International Symposium on Automotive Lightning – ISAL 2017 – Proceedings of the Conference

Tran Quoc Khanh
12th International Symposium on Automotive Lightning ISAL 2017 Proceedings of the Conference Book PDF

Author : Tran Quoc Khanh
Publisher : Herbert Utz Verlag
Page : 800 pages
File Size : 52,9 Mb
Release : 2017-09-22
Category : Electronic
ISBN : 9783831646715

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12th International Symposium on Automotive Lightning – ISAL 2017 – Proceedings of the Conference by Tran Quoc Khanh Pdf

It is a pleasure to present you the proceedings of the 12th International Symposium on Automotive Lighting, which takes place in Darmstadt on September 25-27, 2017. This conference is the document of a series of successful conferences since the first PAL-conference in 1995 and shows the latest innovative potentials of the automotive industry in the application of lighting technologies.

Daylighting and electric lighting retrofit solutions

Aktuna, Berat,Bueno, Bruno,Darula, Stanislav,Deneyer, Arnaud,Diakite, Aicha,Fuhrmann, Peter,Geisler-Moroder, David,Hubschneider, Carolin,Johnsen, Kjeld,Kostro, Andre,Malikova, Marta,Matusiak, Barbara,Prella, Patrick,Pohl, Wilfried,Tao, Luo,Tetri, Eino
Daylighting and electric lighting retrofit solutions Book PDF

Author : Aktuna, Berat,Bueno, Bruno,Darula, Stanislav,Deneyer, Arnaud,Diakite, Aicha,Fuhrmann, Peter,Geisler-Moroder, David,Hubschneider, Carolin,Johnsen, Kjeld,Kostro, Andre,Malikova, Marta,Matusiak, Barbara,Prella, Patrick,Pohl, Wilfried,Tao, Luo,Tetri, Eino
Publisher : Universitätsverlag der TU Berlin
Page : 97 pages
File Size : 46,5 Mb
Release : 2016-11-03
Category : Technology & Engineering
ISBN : 9783798328365

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Daylighting and electric lighting retrofit solutions by Aktuna, Berat,Bueno, Bruno,Darula, Stanislav,Deneyer, Arnaud,Diakite, Aicha,Fuhrmann, Peter,Geisler-Moroder, David,Hubschneider, Carolin,Johnsen, Kjeld,Kostro, Andre,Malikova, Marta,Matusiak, Barbara,Prella, Patrick,Pohl, Wilfried,Tao, Luo,Tetri, Eino Pdf

Energy efficient lighting is said to be one of the most cost-effective approaches to save energy and reduce C02 emissions. In order to stimulate the application of lighting retrofits of good quality, IEA Task 50, Subtask B “Daylighting and Electric Lighting solutions” has looked into the assessment of existing and new technical retrofit solutions in the field of façade and daylighting technology, electric lighting and lighting controls. The document provides information for those involved in the development of retrofit products or involved in the decision making process of a retrofit project, such as buildings owners, authorities, designers and consultants, as well as the lighting and façade industry. This source book addresses both electric lighting solu¬tions and daylighting solutions, and offers a method to compare these retrofit solutions on a common basis, including a wide range of quality criteria of cost-related and lighting quality aspects. Simple retrofits, such as replacing a lamp or adding interior blinds, are widely accepted, often applied because of their low initial costs or short payback periods. The work presented in this report aims at promoting state-of-the-art and new lighting retrofit approaches that might cost more but offer a further reduction of energy consumption while improving lighting quality to a greater extend. Energieeffiziente Beleuchtung ist eine der effektivsten Möglichkeiten, Energie zu sparen und damit die Emission von CO2 zu vermindern. Im Rahmen des IEA Task 50, Subtask B “Daylighting and Electric Lighting solutions” wurden daher neue und vorhandene technische Sanierungslösungen für Gebäude in den Bereichen Fassade, Tageslichttechnik, künstliche Beleuchtung sowie Lichtsteuerung bewertet, um die Anwendung hochwertiger Lösungen voranzutreiben. Die Informationen sind dabei für alle in den Sanierungsprozess einbezogenen Personen von großem Interesse, wie z. B. Gebäudeeigentümer, Behörden, Planer und Berater aber auch für Hersteller und Entwickler von Beleuchtungs- und Fassadenlösungen. Betrachtet werden sowohl künstliche als auch Beleuchtungslösungen mit Tageslicht, wobei eine Methode entwickelt wurde, die Sanierungslösungen grundlegend miteinander zu vergleichen. Hierbei werden zahlreiche Kriterien berücksichtigt, die energetische, lichttechnische, thermische und kostenbezogene Aspekte beinhalten. Einfache Sanierungsmaßnahmen wie der Austausch von Lampen oder die Montage innenliegender Jalousien werden weitgehend akzeptiert und oft verwendet, da sie kostengünstig sind und sich schnell amortisieren. Die vorliegende Arbeit hat es sich zum Ziel gesetzt, die Anwendung neuer und dem Stand der Technik entsprechender Beleuchtungslösungen für die Sanierung zu fördern. Diese verursachen zwar eventuell höhere Kosten, ermöglichen jedoch eine weitere Energieeinsparung bei gleichzeitiger Verbesserung der Beleuchtungsqualität.

Encyclopedia of Color Science and Technology

Renzo Shamey
Encyclopedia of Color Science and Technology Book PDF

Author : Renzo Shamey
Publisher : Springer Nature
Page : 1634 pages
File Size : 45,7 Mb
Release : 2023-09-29
Category : Science
ISBN : 9783030898625

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Encyclopedia of Color Science and Technology by Renzo Shamey Pdf

This fully revised and expanded 2nd edition provides a single authoritative resource describing the concepts of color and the application of color science across research and industry. Significant changes for the 2nd edition include: New and expanded sections on color engineering More entries on fundamental concepts of color science and color terms Many additional entries on specific materials Further material on optical concepts and human visual perception Additional articles on organisations, tools and systems relevant to color A new set of entries on 3D presentation of color In addition, many of the existing entries have been revised and updated to ensure that the content of the encyclopedia is current and represents the state of the art. The work covers the full gamut of color: the fundamentals of color science; the physics and chemistry; color as it relates to optical phenomena and the human visual system; and colorants and materials. The measurement of color is described through entries on colorimetry, color spaces, color difference metrics, color appearance models, color order systems and cognitive color. The encyclopedia also has extensive coverage of applications throughout industry, including color imaging, color capture, display and printing, and descriptions of color encodings, color management, processing color and applications relating to color synthesis for computer graphics are included. The broad scope of the work is illustrated through entries on color in art conservation, color and architecture, color and education, color and culture, and biographies of some of the key figures involved in color research throughout history. With over 250 entries from color science researchers across academia and industry, this expanded 2nd edition of the Encyclopedia of Color Science and Technology remains the most important single resource in color science.

Fundamentals of Lighting

Susan Winchip
Fundamentals of Lighting Book PDF

Author : Susan Winchip
Publisher : Bloomsbury Publishing USA
Page : 563 pages
File Size : 42,6 Mb
Release : 2022-03-24
Category : Architecture
ISBN : 9781501370243

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Fundamentals of Lighting by Susan Winchip Pdf

Fundamentals of Lighting, 4th Edition, takes a practical and integrated approach to the study of lighting and design. Specifically, the text focuses on how interior lighting designs can address the healthy building movement, human-centric lighting design, and international green guidelines and standards for energy efficiency. Now with case studies and sample lighting plans, learning becomes hands on. This comprehensive textbook is divided into two parts and is organized sequentially to develop a fundamental understanding of how to design quality lighting environments. Part One explores the principles of lighting design. Part Two focuses on lighting design applications and the design process, in both residential and commercial environments. New to this Edition -Focus on healthy building movement using human-centric quality lighting design -Inclusion of international green guidelines and standards for energy efficiency for up-to-date industry practices -Enhanced student learning activities, including case studies and lighting plans STUDIO Includes -Study smarter with self-quizzes featuring scored results and personalized study tips -Review concepts with flashcards of essential vocabulary Instructor Resources -Instructor Guide to help integrate text content to classroom and online learning platforms -Test Bank covering key concepts and learning benchmarks -PowerPoint® slide decks for each chapter -CIDA Standards Matrix to help show how key concepts can be integrated and adapted into CIDA standards

Advances in Safety Management and Human Factors

Pedro Arezes
Advances in Safety Management and Human Factors Book PDF

Author : Pedro Arezes
Publisher : Springer
Page : 562 pages
File Size : 51,6 Mb
Release : 2016-07-26
Category : Technology & Engineering
ISBN : 9783319419299

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Advances in Safety Management and Human Factors by Pedro Arezes Pdf

This book discusses the latest findings towards ensuring people’s safety, health, and welfare at work. It crosses different disciplines, such as work physiology, health informatics, workplace design, injury prevention, and occupational psychology. It presents new strategies for safety management, including accident prevention methods, such as performance testing and participatory ergonomics. The book, which is based on the AHFE 2016 International Conference on Safety Management and Human Factors, held on July 27-31, 2016, in Walt Disney World®, Florida, USA, provides readers, including decision makers in government and public authorities, with a timely snapshot of the state of the art in the field of safety, health and welfare management. It also addresses agencies such as OSHA and NIOSH as well as other professionals dealing with occupational safety and health.

Fundamentals of Lighting

Susan M. Winchip
Fundamentals of Lighting Book PDF

Author : Susan M. Winchip
Publisher : Unknown
Page : 0 pages
File Size : 53,7 Mb
Release : 2022
Category : Lighting, Architectural and decorative
ISBN : 9781501370281

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Fundamentals of Lighting by Susan M. Winchip Pdf

This intro to lighting text focuses on how interior lighting designs can address the healthy building movement, human-centric quality lighting design, and international green guidelines and standards for energy efficiency

LED Lighting

Malvin Carl Teich
LED Lighting Book PDF

Author : Malvin Carl Teich
Publisher : Google Books/Teich Consultants
Page : 416 pages
File Size : 48,8 Mb
Release : 2024-02-28
Category : Technology & Engineering
ISBN : 9798990170506

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LED Lighting by Malvin Carl Teich Pdf

LED Lighting is a self-contained and introductory-level book featuring a blend of theory and applications that thoroughly covers this important interdisciplinary area. Building on the underlying fields of optics, photonics, and vision science, it comprises four parts. PART I is devoted to fundamentals. The behavior of light is described in terms of rays, waves, and photons. Each of these approaches is best suited to a particular set of applications. The properties of blackbody radiation, thermal light, and incandescent light are derived and explained. The essentials of semiconductor physics are set forth, including the operation of junctions and heterojunctions, quantum wells and quantum dots, and organic and perovskite semiconductors. PART II deals with the generation of light in semiconductors, and details the operation and properties of III-V semiconductor devices (MQWLEDs and μLEDs), quantum-dot devices (QLEDs & WOLEDs), organic semiconductor devices (OLEDs, SMOLEDs, PLEDs, & WOLEDs), and perovskite devices (PeLEDs, PPeLEDs, QPeLEDs, & PeWLEDs). PART III focuses on vision and the perception of color, as well as on colorimetry. It delineates radiometric and photometric quantities as well as efficacy and efficiency measures. It relays the significance of metrics often encountered in LED lighting, including the color rendering index (CRI), color temperature (CT), correlated color temperature (CCT), and chromaticity diagram. PART IV is devoted to LED lighting, focusing on its history and salutary features, and on how this modern form of illumination is deployed. It describes the principal components used in LED lighting, including white phosphor-conversion LEDs, chip-on-board (COB) devices, color-mixing LEDs, hybrid devices, LED filaments, retrofit LED lamps, LED luminaires, and OLED light panels. It concludes with a discussion of smart lighting and connected lighting. Each chapter contains highlighted equations, color-coded figures, practical examples, and reading lists.