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Revised and fully updated, the second edition of this graduate textbook offers a comprehensive explanation of the technology and physics of LEDs such as infrared, visible-spectrum, ultraviolet, and white LEDs made from III-V semiconductors. Elementary properties such as electrical and optical characteristics are reviewed, followed by the analysis of advanced device structures. With nine additional chapters, the treatment of LEDs has been vastly expanded, including new material on device packaging, reflectors, UV LEDs, III-V nitride materials, solid-state sources for illumination applications, and junction temperature. Radiative and non-radiative recombination dynamics, methods for improving light extraction, high-efficiency and high-power device designs, white-light emitters with wavelength-converting phosphor materials, optical reflectors, and spontaneous recombination in resonant-cavity structures are discussed in detail. With exercises, solutions, and illustrative examples, this textbook will be of interest to scientists and engineers working on LEDs and graduate students in electrical engineering, applied physics, and materials science.

Become a master of light and color with the TL180 RGBWW Tube Light, a high-quality, versatile lighting solution designed for filmmakers, content creators, photographers, and videographers. As the newest addition to the esteemed Godox TL series, this 180cm RGBWW tube light boasts a larger light-emitting area and increased power, offering you more creative freedom in your visual projects.The TL180's extended length provides unique advantages over shorter tube lights. It delivers a stronger visual impact in both filmmaking and photography, making it particularly suitable for larger scenes. Whether you're crafting creative shapes, producing stunning light effects, or lighting tall subjects, the TL180's extended emitting area ensures smooth, edgeless coverage.Unleash your inner visual artist with the TL180's feast of colors. With adjustable hue, saturation, intensity, and 40 preset color gels, this tube light can produce any color you desire, sparking endless inspiration. Experiment with different combinations to add mood, depth, and vibrancy to your scenes.The TL180's versatility extends to its mounting options. With included accessories like a steel cable, clip, and multi-light bracket, you can position this light virtually anywhere and in any direction. Stack multiple lights together for a larger source, create innovative geometric patterns, or divide space with irregularly placed lines-the possibilities are limitless.The TL180 also excels in light painting, allowing you to create streaks, wings, halos, and other stunning light effects. Its variable color temperature, ranging from 2700K to 6500K, seamlessly blends into existing lights and fine-tunes skin tones, providing even more options for creative applications.This tube light also features 14 preset light effects, each with 2-3 modes, for a total of 39 special effects. In music mode, the light changes color in sync with sound variations, creating a dynamic and exciting atmosphere.Control the TL180 with ease using the intuitive on-board operation, the Godox Light App, the RC-R9 remote, or a DMX controller. You can control lights individually or in groups, streamlining your production process.Power your creativity anywhere with the TL180's AC adapter or built-in lithium battery. With up to 160 minutes of operation at 100% brightness on a full charge, this tube light ensures uninterrupted, reliable production, whether you're indoors or on location.

Feit Electric 40-watt (59-watt Equivalent) Direct Replacement (Type A) Non-Dimmable Linear LED Tubes replace 96T8 or T8 fluorescent and LED tubes. They work with most existing electronic ballasts for quick and easy installation, with no rewiring necessary. Each Linear LED light produces 5000 Lumens, emitting the same light output level as traditional bulbs while using less energy. These versatile 4000K Cool White lights provide clean, neutral white light for both living and work spaces. Use them for multi-purpose lighting or task lighting wherever it is important to feel refreshed and ready to get things done. An ideal choice for most fluorescent linear tube replacement applications, use them in offices, garages, work spaces, warehouses, and more. Enjoy up to 32.2% energy savings and lower maintenance costs than traditional fluorescent linear lights. T96/840/LED/2 lights turn on instantly, offering flicker-free full illumination with no warmup time compared to fluorescent tubes. They are mercury-free, with a shatter-resistant coating for safe and easy disposal. Each high-quality bulb offers accurate color-rendering, for more vibrant, true-to-life colors. Lower heat emission extends the life of the tube and ends do not turn black or burn with age. The estimated energy cost is only $4.82 per year. Switch to Type A LED linear lights for your space and get up to 50,000 hours of superior light. That's 45.6 years based on 3 hours of daily use.

A classic silhouette, the Gil midi dress is an any-occasion go-to made from a light crepe. This piece has long, cuffed sleeves, a V-neckline, a fitted waist, and a full, tiered skirt. LENZING�?� ECOVERO�?� Viscose fibers are created from renewable wood sources and manufactured using less water and emitting less CO2. Better for the environment, better for your style.Yana is 5 Foot and 8 Inches and wearing a size 2.

This LED bathroom vanity mirror will not only add a luxurious, sleek look to your bathroom, but also add convenience to your routine. Against the wall, the mirror adds an elegant look to any bathroom style. The surrounding frame has ultra-high-density LED light beads, with 128 light beads per meter. The high-quality, copper-free, and environmentally friendly silver mirror glass provides you with a clear reflection. It adopts IP44 waterproof grade, which is perfect for a bathroom. The light bead strip is 13-Watts per meter, which is safe, energy-saving, and has a long lifespan. Color: Sliver.

Revised and fully updated, the second edition of this graduate textbook offers a comprehensive explanation of the technology and physics of LEDs such as infrared, visible-spectrum, ultraviolet, and white LEDs made from III-V semiconductors. Elementary properties such as electrical and optical characteristics are reviewed, followed by the analysis of advanced device structures. With nine additional chapters, the treatment of LEDs has been vastly expanded, including new material on device packaging, reflectors, UV LEDs, III-V nitride materials, solid-state sources for illumination applications, and junction temperature. Radiative and non-radiative recombination dynamics, methods for improving light extraction, high-efficiency and high-power device designs, white-light emitters with wavelength-converting phosphor materials, optical reflectors, and spontaneous recombination in resonant-cavity structures are discussed in detail. With exercises, solutions, and illustrative examples, this textbook will be of interest to scientists and engineers working on LEDs and graduate students in electrical engineering, applied physics, and materials science.

Comprehensive in scope, this book covers the latest progresses of theories, technologies and applications of LEDs based on III-V semiconductor materials, such as basic material physics, key device issues (homoepitaxy and heteroepitaxy of the materials on different substrates, quantum efficiency and novel structures, and more), packaging, and system integration. The authors describe the latest developments of LEDs with spectra coverage from ultra-violet (UV) to the entire visible light wavelength. The major aspects of LEDs, such as material growth, chip structure, packaging, and reliability are covered, as well as emerging and novel applications beyond the general and conventional lightings. This book, written by leading authorities in the field, is indispensable reading for researchers and students working with semiconductors, optoelectronics, and optics.        Addresses novel LED applications such as LEDs for healthcare and wellbeing, horticulture, and animal breeding;        Editor and chapter authors are global leading experts from the scientific and industry communities, and their latest research findings and achievements are included;        Foreword by Hiroshi Amano, one of the 2014 winners of the Nobel Prize in Physics for his work on light-emitting diodes.

Comprehensive in scope, this book covers the latest progresses of theories, technologies and applications of LEDs based on III-V semiconductor materials, such as basic material physics, key device issues (homoepitaxy and heteroepitaxy of the materials on different substrates, quantum efficiency and novel structures, and more), packaging, and system integration. The authors describe the latest developments of LEDs with spectra coverage from ultra-violet (UV) to the entire visible light wavelength. The major aspects of LEDs, such as material growth, chip structure, packaging, and reliability are covered, as well as emerging and novel applications beyond the general and conventional lightings. This book, written by leading authorities in the field, is indispensable reading for researchers and students working with semiconductors, optoelectronics, and optics.        Addresses novel LED applications such as LEDs for healthcare and wellbeing, horticulture, and animal breeding;        Editor and chapter authors are global leading experts from the scientific and industry communities, and their latest research findings and achievements are included;        Foreword by Hiroshi Amano, one of the 2014 winners of the Nobel Prize in Physics for his work on light-emitting diodes.

Although it has long been possible to make organic materials emit light, it has only recently become possible to do so at the level and with the efficiency and control necessary to make the materials a useful basis for illumination in any but the most specialized uses. This book surveys the current status of the field.

Take your lighting game to the next level with the American DJ Pinspot LED II. This high-quality pinspot light is powered by a 3W cool white LED source, emitting a bright, neutral-toned light at a color temperature of 6000K. Its standout feature is the sharp 3-degree beam angle, designed to deliver a focused, intense beam of light, ideal for spotlighting objects or creating dramatic mid-air effects in concerts, events, or theatrical productions. This versatile LED pinspot light is not only energy-efficient but also durable, ensuring long-lasting performance. It comes equipped with a convenient hanging bracket, allowing for easy installation in various settings. The Pinspot LED II also includes a 12-degree lens that can be effortlessly swapped out, offering you the flexibility to adjust the lighting effect as per your needs. As an ETL approved product, the American DJ Pinspot LED II meets the highest standards of safety and reliability. Whether you're a professional lighting designer or a stage manager, this cool white LED pinspot light is a must-have tool for creating precise, impactful lighting effects.

Feit Electric's 18-Watt (32-Watt Equivalent) Direct Replacement (Type A) Non-Dimmable Linear LED Tubes replace F32T8 or T8 fluorescent and LED tubes. They work with most existing electronic ballasts for quick and easy installation, with no rewiring necessary. Each Linear LED light produces 1800 Lumens, emitting the same light output level as traditional fluorescent linear lights while using 43.8% less energy. These bright 5000K Daylight White lights provide crisp light for both residential and commercial spaces. They emit an invigorating cool white light ideal for reading, working on intricate projects and revealing fine details. Create an energetic mood ideal for craft rooms, bathrooms, kitchens, laundry rooms, utility rooms, outdoor security lighting, classrooms and hospitality settings. T848/850/LED/10 lights turn on instantly, offering flicker-free full illumination with no warmup time compared to fluorescent tubes. They are mercury-free, with a shatter-resistant coating for safe and easy disposal. Each high-quality bulb offers accurate color-rendering, for more vibrant, true-to-life colors. Lower heat emission extends the life of the tube and ends do not turn black or burn with age. The estimated energy cost is only $2.17 per year. Switch to Type A LED linear lights for your space and get up to 35, 000 hours of superior light. That's 31.9 years based on 3 hours of daily use.

Ensure your home's chandelier remains in optimal condition with this comprehensive 36-pack of 4-watt dimmable B11 LED bulbs. These bulbs leverage the enduring power of dimmable LED technology, seamlessly compatible with all types of dimmers. Emitting a warm 2700-Kelvin white light, they cast a perfect glow, creating a welcoming and inviting atmosphere throughout your home. Invest in this long-lasting and energy-efficient lighting solution for both functionality and a cozy ambiance.

Feit Electric's 20-watt (40-watt Equivalent) Direct Replacement (Type A) Non-Dimmable Linear LED Tubes replace F40T12 or T12 fluorescent and LED tubes. They work with most existing ballasts for quick and easy installation, with no rewiring necessary. Each Linear LED light produces 1800 lumens, emitting the same light output level as traditional bulbs while using 50% less energy than traditional fluorescent linear lights. These versatile 4000K Cool White lights provide clean, neutral white light for both living and workspaces. Use them for multi-purpose lighting or task lighting wherever it is important to feel refreshed and ready to get things done. An ideal choice for most fluorescent linear tube replacement applications, use them in offices, garages, workspaces, warehouses, and more. T1248/840/LED/10 lights turn on instantly, offering flicker-free full illumination with no warmup time compared to fluorescent tubes. They are mercury-free, with a shatter-resistant coating for safe and easy disposal. Each high-quality bulb offers accurate color-rendering, for more vibrant, true-to-life colors. Lower heat emission extends the life of the tube and ends do not turn black or burn with age. Enjoy lower maintenance costs compared to traditional fluorescent linear lights. The estimated energy cost is only $2.41 per year. Switch to Type A LED linear lights for your space and get up to 35,000 hours of superior light. That's 31.9 years based on 3 hours of daily use.

Maintain the optimal performance of your home's chandelier with this comprehensive 24-pack of 4-watt dimmable B11 LED bulbs. These bulbs leverage the enduring power of dimmable LED technology, seamlessly compatible with all types of dimmers. Emitting a warm 2700-Kelvin white light, they cast a perfect glow, creating a welcoming and inviting atmosphere throughout your home. Invest in this long-lasting and energy-efficient lighting solution to ensure both the functionality of your chandelier and a cozy ambiance in your living spaces.

Maintain your home's chandelier in optimal condition with this comprehensive 24-pack of 5-watt dimmable B11 LED bulbs. These bulbs leverage the enduring power of dimmable LED technology, seamlessly compatible with all types of dimmers. Emitting a warm 2700-Kelvin white light, they cast a perfect glow, creating a welcoming and inviting atmosphere throughout your home. Invest in this long-lasting and energy-efficient lighting solution for both functionality and a cozy ambiance.

Feit Electric's 18-watt (32-watt Equivalent) Direct Replacement (Type A) Non-Dimmable Linear LED Tubes replace F32T8 or T8 fluorescent and LED tubes. They work with most existing electronic ballasts for quick and easy installation, with no rewiring necessary. Each Linear LED light produces 1800 lumens, emitting the same light output level as traditional fluorescent linear lights while using 43.8% less energy. These bright 5000K Daylight White lights provide crisp light for both residential and commercial spaces. They emit an invigorating cool white light ideal for reading, working on intricate projects, and revealing fine details. Create an energetic mood ideal for craft rooms, bathrooms, kitchens, laundry rooms, utility rooms, outdoor security lighting, classrooms, and hospitality settings. T848/850/LED/25 lights turn on instantly, offering flicker-free full illumination with no warmup time compared to fluorescent tubes. They are mercury-free, with a shatter-resistant coating for safe and easy disposal. Each high-quality bulb offers accurate color-rendering, for more vibrant, true-to-life colors. Lower heat emission extends the life of the tube and ends do not turn black or burn with age. The estimated energy cost is only $2.17 per year. Switch to Type A LED linear lights for your space and get up to 35,000 hours of superior light. That's 31.9 years based on 3 hours of daily use.

Ensure your home's chandelier remains in optimal condition with this 4-pack of 5.5-watt dimmable B11 LED bulbs. These bulbs leverage the enduring power of dimmable LED technology, seamlessly compatible with all types of dimmers. Emitting a warm 2700-Kelvin white light, they cast a perfect glow, creating a welcoming and inviting atmosphere throughout your home. Invest in this long-lasting and energy-efficient lighting solution for both functionality and a cozy ambiance. Size: medium.

Feit Electric's 18-watt (32-watt Equivalent) Direct Replacement (Type A) Non-Dimmable Linear LED Tubes replace F32T8 or T8 fluorescent and LED tubes. They work with most existing electronic ballasts for quick and easy installation, with no rewiring necessary. Each Linear LED light produces 1800 lumens, emitting the same light output level as traditional fluorescent linear lights while using 43.8% less energy. These bluish white 6500K Daylight Deluxe White lights allow you to see objects in finer detail and create a vibrant mood for both residential and commercial spaces. Use them in closets, retail spaces, gyms, convenience stores, hospitals, or high-energy environments. T848/865/LED/25 lights turn on instantly, offering flicker-free full illumination with no warmup time compared to fluorescent tubes. They are mercury-free, with a shatter-resistant coating for safe and easy disposal. Each high-quality bulb offers accurate color-rendering, for more vibrant, true-to-life colors. Lower heat emission extends the life of the tube and ends do not turn black or burn with age. The estimated energy cost is only $2.17 per year. Switch to Type A LED linear lights for your space and get up to 35,000 hours of superior light. That's 31.9 years based on 3 hours of daily use.

Ensure your home's chandelier remains in optimal condition with this comprehensive 48-pack of 5-watt dimmable B11 LED bulbs. These bulbs harness the enduring power of dimmable LED technology, functioning seamlessly with all types of dimmers. Emitting a warm 2700-Kelvin white light, they cast a perfect glow, creating a welcoming and inviting atmosphere throughout your home. Invest in this long-lasting and energy-efficient lighting solution for both functionality and a cozy ambiance.

Upgrade your home chandelier, lamp, or ceiling fixture with this convenient 4-pack of 5-watt dimmable CA10 LED bulbs. Each bulb features a classic candle flame look, emitting a warm 2700-Kelvin white light that creates an inviting atmosphere. Ideal for achieving both aesthetic appeal and energy efficiency, these bulbs serve as the perfect replacement for enhancing the ambiance in your living spaces.