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Highly Efficient OLEDs with Phosphorescent Materials

Author: Hartmut Yersin

Publisher: John Wiley & Sons

Published: 2008-06-25

Total Pages: 458

ISBN-13: 3527621318

This monograph on organic light emitting diodes, edited by a pioneer, and written by front-line researchers from academia and industry, provides access to the latest findings in this rapidly growing field. More than ten contributions cover all areas -- from theory and basic principles, to different emitter materials and applications in production.

Highly Efficient OLEDs

Author: Hartmut Yersin

Publisher: John Wiley & Sons

Published: 2019-01-04

Total Pages: 604

ISBN-13: 3527339000

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The essential resource that offers a comprehensive understanding of OLED optimizations Highly Efficient OLEDs. Materials Based on Thermally Activated Delayed Fluorescence (TADF) offers substantial information on the working principle of OLEDs and on new types of emitting materials (organic and inorganic). As the authors explain, OLEDs that use the Singlet-Harvesting mechanism based on the molecular property of TADF work according to a new exciton harvesting principle. Thus, low-cost emitter materials, such as Cu(I) or Ag(I) complexes as well as metal-free organic molecules, have the potential to replace high-cost rare metal complexes being currently applied in OLED technology. With contributions from an international panel of experts on the topic, the text shows how the application of new TADF materials allow for the development of efficient OLED displays and lighting systems. This new mechanism is the gateway to the third-generation of luminescent materials. This important resource: Offers a state-of-the-art compilation of the latest results in the dynamically developing field of OLED materials Is edited by a pioneer in the field of OLED material technology Contains a detailed application-oriented guide to new low-cost materials for displays and lighting Puts the focus on the emerging fields of OLED technology Written for materials scientists, solid state chemists, solid state physicists, and electronics engineers, Highly Efficient OLEDs. Materials Based on Thermally Activated Delayed Fluorescence offers a comprehensive resource to the latest advances of OLEDs based on new TADF materials.

Thermally Activated Delayed Fluorescence Organic Light-Emitting Diodes (TADF-OLEDs)

Author: Lian Duan

Publisher: Woodhead Publishing

Published: 2021-10-15

Total Pages: 490

ISBN-13: 0128227737

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Thermally Activated Delayed Fluorescence Organic Light-Emitting Diodes (TADF-OLEDs) comprehensively introduces the history of TADF, along with a review of fundamental concepts. Then, TADF emitters with different colors, such as blue, green, red and NIR as well as white OLEDs are discussed in detail. Other sections cover exciplex-type TADF materials, emerging application of TADF emitters as a host in OLEDs, and applications of TADF materials in organic lasers and biosensing. Discusses green, blue, red, NIR and white TADF emitters and their design strategies for improved performance for light-emitting diode applications Addresses emerging materials, such as molecular and exciplex-based TADF materials Includes emerging applications like lasers and biosensors

Highly Efficient OLEDs

Author: Hartmut Yersin

Publisher: Wiley-VCH

Published: 2018-10-26

Total Pages: 416

ISBN-13: 9783527691760

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The essential resource that offers a comprehensive understanding of OLED optimizations Highly Efficient OLEDs. Materials Based on Thermally Activated Delayed Fluorescence (TADF) offers substantial information on the working principle of OLEDs and on new types of emitting materials (organic and inorganic). As the authors explain, OLEDs that use the Singlet-Harvesting mechanism based on the molecular property of TADF work according to a new exciton harvesting principle. Thus, low-cost emitter materials, such as Cu(I) or Ag(I) complexes as well as metal-free organic molecules, have the potential to replace high-cost rare metal complexes being currently applied in OLED technology. With contributions from an international panel of experts on the topic, the text shows how the application of new TADF materials allow for the development of efficient OLED displays and lighting systems. This new mechanism is the gateway to the third-generation of luminescent materials. This important resource: -Offers a state-of-the-art compilation of the latest results in the dynamically developing field of OLED materials -Is edited by a pioneer in the field of OLED material technology -Contains a detailed application-oriented guide to new low-cost materials for displays and lighting -Puts the focus on the emerging fields of OLED technology Written for materials scientists, solid state chemists, solid state physicists, and electronics engineers, Highly Efficient OLEDs. Materials Based on Thermally Activated Delayed Fluorescence offers a comprehensive resource to the latest advances of OLEDs based on new TADF materials.

OLED Fundamentals

Author: Daniel J. Gaspar

Publisher: CRC Press

Published: 2015-05-15

Total Pages: 494

ISBN-13: 1466515198

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A Comprehensive Source for Taking on the Next Stage of OLED R&D OLED Fundamentals: Materials, Devices, and Processing of Organic Light-Emitting Diodes brings together key topics across the field of organic light-emitting diodes (OLEDs), from fundamental chemistry and physics to practical materials science and engineering aspects to design and manufacturing factors. Experts from top academic institutions, industry, and national laboratories provide thorough, up-to-date coverage on the most useful materials, devices, and design and fabrication methods for high-efficiency lighting. The first part of the book covers all the construction materials of OLED devices, from substrate to encapsulation. For the first time in book form, the second part addresses challenges in devices and processing, including architectures and methods for new OLED lighting and display technologies. The book is suitable for a broad audience, including materials scientists, device physicists, synthetic chemists, and electrical engineers. It can also serve as an introduction for graduate students interested in applied aspects of photophysics and electrochemistry in organic thin films.

Organic Electronics

Author: Franky So

Publisher: CRC Press

Published: 2009-11-24

Total Pages: 581

ISBN-13: 9781420072914

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In the near future, organic semiconductors may be used in a variety of products, including flat-screen TVs, e-book readers, and third-generation organic photovoltaics applications, to name just a few. While organic electronics has received increased attention in scientific journals, those working in this burgeoning field require more in-depth coverage of the subject. Considering the rapid development in this field, Organic Electronics: Materials, Processing, Devices and Applications is a long-overdue assessment of state-of-the-art technology in organic electronics. This valuable reference harnesses the insight of various experts in the field, who contribute entire chapters on their area of specialty, covering chemistry and materials, fundamental physics, device processing, fabrication, and applications. Coverage includes cutting-edge advances in: Organic vapor phase deposition to fabricate organic nanostructures Organic semiconductor device physics Organic thin film and vertical transistors Organic photovoltaic cells OLED technologies for flat panel displays and lighting With its detailed discussion of the latest developments in the field of organic semiconductor materials and devices, this versatile book is ideally suited as a reference tool for scientists, engineers, and researchers or as an overview for those new to the field. In either capacity, its broad range of material will serve as a base for the further development of new sciences and technologies in this area.

Organic Light Emitting Diode (OLED) Toward Smart Lighting and Displays Technologies

Author: Laxman Singh

Publisher: CRC Press

Published: 2023-09-29

Total Pages: 279

ISBN-13: 1000952967

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The book Organic Light Emitting Diode (OLED) Toward Smart Lighting and Displays Technologies, edited by Laxman Singh, Rituraj Dubey, and Prof. R. N. Rai, strives to address the multiple aspects of OLEDs and their applications in developing smart lightings and displays. OLEDs have been used in almost all kinds of digital displays like those of mobile phones, laptops, tablets, phablets, TVs, etc., due to their outstanding features, including superior color quality, low cost, wide viewing angle, easy fabrication, mercury-free manufacture, tenability, stretchability, flexibility, etc. Investigations related to the synthesis of new organic materials and fabrication techniques have inspired us to write this book, which will fulfil the desire and thirst of OLEDs-based researchers. Features Nanolithographic techniques used and the challenges involved Printing technology for fabrication Designing of hybrid perovskites Stretchable and flexible materials used Metal–dielectric composites and efficiency of organic semiconductor via molecular doping for OLEDs applications Organic small molecule materials and display technologies involved New generation of organic materials with respect to photophysical approach Mixed valence π-conjugated coordination polymers used Electroluminescent polymer used Blue fluorescent and phosphorescent organic materials used In comparison to other books available related to similar topics, this book aims at those audiences who are looking for a single source for a comprehensive understanding of strategies and their challenges with respect to material fabrication of OLEDs. This book covers the pace and productivity at a uniform level in each chapter with respect to the audiences, from doctoral student to postdoctoral researchers or from postdoctoral researchers to multidisciplinary field researchers with a background in physics, chemistry, materials science, and engineering, who are already working with organic materials and their applications.

Organometallics and Related Molecules for Energy Conversion

Author: Wai-Yeung Wong

Publisher: Springer

Published: 2015-03-30

Total Pages: 541

ISBN-13: 3662460548

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This book presents a critical perspective of the applications of organometallic compounds (including those with metal or metalloid elements) and other related metal complexes as versatile functional materials in the transformation of light into electricity (solar energy conversion) and electricity into light (light generation in light emitting diode), in the reduction of carbon dioxide to useful chemicals, as well as in the safe and efficient production and utilization of hydrogen, which serves as an energy storage medium (i.e. energy carrier). This book focuses on recent research developments in these emerging areas, with an emphasis on fundamental concepts and current applications of functional organometallic complexes and related metal-based molecules for energy research. With contributions from front-line researchers in the field from academia and industry, this timely book provides a valuable contribution to the scientific community in the field of energy science related to metal-based molecular materials. Wai-Yeung Wong, PhD, is Chair Professor and Head of the Department of Chemistry at Hong Kong Baptist University, Hong Kong, P. R. China.

Organic Light-Emitting Materials and Devices

Author: Zhigang Rick Li

Publisher: CRC Press

Published: 2017-12-19

Total Pages: 813

ISBN-13: 1439882800

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Organic Light-Emitting Materials and Devices provides a single source of information covering all aspects of OLEDs, including the systematic investigation of organic light-emitting materials, device physics and engineering, and manufacturing and performance measurement techniques. This Second Edition is a compilation of the advances made in recent years and of the challenges facing the future development of OLED technology. Featuring chapters authored by internationally recognized academic and industrial experts, this authoritative text: Introduces the history, fundamental physics, and potential applications of OLEDs Reviews the synthesis, properties, and device performance of electroluminescent materials used in OLEDs Reflects the current state of molecular design, exemplifying more than 600 light-emitting polymers and highlighting the most efficient materials and devices Explores small molecules-based OLEDs, detailing hole- and electron-injection and electron-transport materials, electron- and hole-blocking materials, sensitizers, and fluorescent and phosphorescent light-emitting materials Describes solution-processable phosphorescent polymer LEDs, energy transfer processes, polarized OLEDs, anode materials, and vapor deposition manufacturing techniques employed in OLED fabrication Discusses flexible display, the backplane circuit technology for organic light-emitting displays, and the latest microstructural characterization and performance measurement techniques Contains abundant diagrams, device configurations, and molecular structures clearly illutrating the presented ideas Organic Light-Emitting Materials and Devices, Second Edition offers a comprehensive overview of the OLED field and can serve as a primary reference for those needing additional information in any particular subarea of organic electroluminescence. This book should attract the attention of materials scientists, synthetic chemists, solid-state physicists, and electronic device engineers, as well as industrial managers and patent lawyers engaged in OLED-related business areas.

Emerging Synthesis Techniques for Luminescent Materials

Author: Tiwari, Ratnesh

Publisher: IGI Global

Published: 2018-05-19

Total Pages: 505

ISBN-13: 1522551719

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The design and study of materials is a pivotal component to new discoveries in the various fields of science and technology. By better understanding the components and structures of materials, researchers can increase their applications across different industries. Emerging Synthesis Techniques for Luminescent Materials is a critical scholarly resource that explores the important field of emerging synthesis techniques of luminescent materials and its practical applications. Featuring coverage on a broad range of topics such as electroluminescence, glow curve analysis, and upconversion, this book is geared towards engineers, academics, researchers, students, professionals, and practitioners seeking current research on photoluminescence and the study of rare earth doped phosphors.