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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.

Combining mesh and jersey, the Linea midi dress has a comfortable, stretchy feel. This piece has a high neckline, three-quarter sheer sleeves, and a subtly fitted silhouette. 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.Lumi is 5 Foot and 8 Inches and wearing a size XS.

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.

The huge progress which has been achieved in the field is covered here, in the first comprehensive monograph on vertical-cavity surface-emitting lasers (VCSELs) since eight years. Apart from chapters reviewing the research field and the laser fundamentals, there are comprehensive updates on red and blue emitting VCSELs, telecommunication VCSELs, optical transceivers, and parallel-optical links for computer interconnects. Entirely new contributions are made to the fields of vectorial three-dimensional optical modeling, single-mode VCSELs, polarization control, polarization dynamics, very-high-speed design, high-power emission, use of high-contrast gratings, GaInNAsSb long-wavelength VCSELs, optical video links, VCSELs for optical mice and sensing, as well as VCSEL-based laser printing. The book appeals to researchers, optical engineers and graduate students.

Introducing the ideal soft lighting source for small spaces. With heights of 1.4' when fully expanded, these lights offer exceptional versatility in compact settings. Emitting soft and uniform lighting in all directions, the lights are perfect for live streaming and video recordings.Born for Small SpacesStanding at heights of just 1.4' when expanded, the perfect choices for live streaming and video shooting in tight spaces.One-Second Expand-CollapseWith our exclusive and innovative design, the softbox can be expanded and collapsed in just one second, significantly streamlining the workflow to the next level.270 Degree Soft LightingThe spherical Lantern excels at emitting soft, uniform light that spreads in all directions, making it a versatile option for various settings, whether tight or spacious. Its wide 270 Degree beam angle perfectly suits the needs of video recording, live streaming, and more.Skirt for More ControlAchieve precise light control with the detachable skirt, easily attachable to the Lantern, allowing you to eliminate unwanted bouncing light by rolling it up or down.Bowens Mount CompatibilityWith its Bowens mount, the lantern is fully compatible with a wide range of Bowens mount flashes and continuous lights, including the Godox SL, UL, VL series, and more.

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.

Philips Hue A19 Smart LED Light Bulb - Dimmable LED (light emitting diode) smart bulb automates lighting and enables control of lights from anywhere. Create light schedules with the Philips Hue app. Requires the Philips Hue Bridge (sold separately) for the full Hue experience. Fits standard size table lamps, floor lamps and other medium base fixtures. Expand smart lighting system with Hue accessories. Includes 2 Philips Hue white ambiance A19 standard light bulbs and owner's manual.

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.

A19 dimmable LED (light emitting diode) smart bulbs can be controlled by a smart phone or tablet. Requires the Hue Bridge (sold separately) for the full Hue experience. Install bulb into a fixture that uses a standard bulb.

Maintain the optimal performance of your home's chandelier with this 4-pack of 5.5-watt dimmable B11 LED bulbs. These bulbs utilize 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 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 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.

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 to see every wardrobe detail. They are ideal for retail stores, gyms, convenience stores and hospitals and high-traffic locations where customers and employees need to feel alert or focused. T848/865/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.

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.

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.