Microled Devices And Systems
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Microleds Devices and Systems
Author: KHALED. AHMED
language: en
Publisher: Artech House Publishers
Release Date: 2024-08-31
MicroLEDs Overview, MicroLED Design--Physics and Technology, MicroLED Forward Current-Voltage (I-V) Characteristics, High-Speed Modulation of MicroLEDs, MicroLED Display System, MicroLED Data Communication Systems, Techno-Economics of MicroLEDs, Advanced MicroLED Concepts, Potential Applications for MicroLEDs, Epitaxial Growth of III-Nitride Light-Emitting Diodes
MicroLED Devices and Systems
MicroLEDs Devices and Systems introduces a theoretical framework, validated by experiments, in the form of a number of white-box analytic or semi-analytic mathematical models that are based on physics. It aims to assist in the design and manufacture of the best MicroLED devices for various applications, such as mobile displays, TV displays, augmented reality, and data communication systems. This resource demonstrates the importance of MicroLEDs in addressing power consumption in mobile displays, brightness in TV displays, augmented reality, and parallel optical interconnect in data centers and artificial intelligence computer systems. With the mobile display industry's revenue exceeding $50 billion in 2020 and projected to be a significant portion of the display market by 2026, the importance of MicroLED technology is highlighted in this resource. It provides models for display systems and data communication systems to help system engineers understand and assess the gaps between commercially available MicroLEDs versus what is needed for a specific system. Furthermore, the book addresses the emerging role of MicroLEDs in data communication, highlighting their potential to improve energy consumption, data rate, latency, and cost in semiconductor chip communication. This book is intended for engineers who desire to begin with physics-based intuition to design MicroLED-based systems within 80% accuracy, then follow with running experiments and more sophisticated models to capture the top 20% of design accuracy. This 80-20 approach is proven to work in many fields including the semiconductor industry.
LED Lighting
Author: Malvin Carl Teich
language: en
Publisher: Malvin Carl Teich
Release Date: 2025-04-14
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 & microLEDs), quantum-dot devices (QLEDs & WQLEDs), organic semiconductor devices (OLEDs, SMOLEDs, PLEDs, & WOLEDs), and perovskite devices (PeLEDs, PPeLEDs, QPeLEDs, & PeWLEDS). PART Ill focuses on vision and the perception of color, as well as on colorimetry. It delineates radiometric and photometric quantities as well as various measures of luminous efficacy and efficiency. It also elucidates the significance of commonly used LED lighting metrics, such as 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 phosphor-conversion LEDs (PCLEDs) for generating cool- and warm-white light, chip-on-board (COB) devices, color-mixing LEDs, LED filaments, retrofit LED lamps, hybrid devices, LED luminaires, and OLED light panels. It concludes with a discussion of smart and connected lighting that reviews plant-centric lighting and highlights the roles of gamma and circadian brain rhythms in human-centric lighting. Finally, the performance metrics for traditional and LED light sources are summarized. Each chapter contains practical examples, highlighted equations, color-coded figures, and an extensive bibliography.