Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 43 for “"Solid state lighting"”.
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Dynamic solid state lighting
… area of evolving Cyber-Physical Systems, as user state, behavior and context are measured, inferred, and leveraged across a variety of domains, environments, sensors, and actuators to dynamically mitigate energy usage while attaining implicit and explicit user goals. In this work, the focus in on …
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Novel phosphors for solid state lighting
Solid state white light emitting diode lighting devices outperform conventional light sources in terms of lifetime, durability, and lumens per watt. However, the capital contribution is still to high to encourage widespread adoption. Furthermore, the colour from today's devices is unsuitable for …
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Solid state lighting : strategies for a brighter future
… and opportunities in the growing field of solid state lighting. The integration of discrete LEDs into solid state lighting systems is identified as a critical area of both technical and business development and the key to creating useful products and expanding new markets. Analysis of …
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Commercialization of gallium nitride nanorod arrays on silicon for solid-state lighting
One important component in energy usage is lighting, which is currently dominated by incandescent and fluorescent lamps. However, due to potentially higher efficiencies and thus higher energy savings, solid-state lighting (SSL) is seriously being considered as a replacement. Currently, …
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Technology migration and disruption : a case study of the solid state lighting industry
… moving clock speeds. The pace of technology in solid state lighting (SSL) is an excellent subject for that purpose. Wherever one looks today, this technology, which has actually been with us since the early 1960's, is quickly affecting our lives. New traffic signals, architectural lighting …
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Structure Design and Luminescence Control of Eu⁺²-doped Orthorhombic Phosphors for Solid-State Lighting Applications
Next-generation solid-state lighting devices urge the innovation of bright and robust phosphors. Most of the current phosphors either have low quantum efficiencies (internal and external, IQE/EQE) or have poor luminescence thermal stability, significantly affecting the performance of …
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Cubic phase gallium nitride photonics integrated on silicon(100) for next-generation solid state lighting
… for the development of the next-generation solid state lighting. Difficulty in its synthesis stemming from the large crystal lattice mismatch, chemical incompatibility, and phase metastability has prohibited the growth of high quality semiconductor crystals that are device-worthy. This …
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Towards the efficiency limit of visible light-emitting diodes
… operation. By leveraging this special mode of solid-state lighting by incoherent electroluminescent radiation and with the focus on gallium-nitride (GaN) technologies, we experimentally demonstrate a thermally enhanced blue LED operating in the low bias regime, and theoretically investigate the …
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Synthetic Strategies Towards Pi-Extended Dithienophospholes Available for Click Chemistry
… material for the potential application of solid-state lighting.
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Silicon nanoparticle sysnthesis through thermal catalytic pyrolysis
… transistors, floating gate memory devices, solid state lighting, chemical sensors and flexible electronics, including solar cells and luminescent materials, printed on paper. A remaining key challenge however in the development of applications is the reproducible and reliable production of …
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Strategies for the future of lighting
… this thesis came from years of work in the solid-state lighting industry at Color Kinetics. My role there was mostly technical, but a bit of market understanding was involved. I wanted to gain a better understanding of the market forces at work, yet develop this understanding within a strong …
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White LED for general illumination applications
… or ways to utilize energy more effectively. Solid state lighting (SSL) is a major area of research interest to use energy in a more efficient manner. Early light emitting devices (LEDs) were originally limited their use for low power indication lights. Later research produces high brightness …
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Group III-nitride devices and applications
… commercial success in recent years in the solid state lighting (SSL) and power electronics markets. The need for high efficient general lighting applications has driven research into InGaN based blue light emitting diodes (LEDs), and demand for more efficient power electronics for …
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ADVANCED MATERIALS: PREPARATION, STUDY AND OPTIMIZATION OF THIN FILM FOR OPTO-ELECTRONIC DEVICE
… only photons in their operation. One of the new lighting technologies which emerged within the past two decades and has the potential of becoming more energy-efficient then the existing light sources, is the Solid State Lighting technology of Organic Light Emitting Diodes (OLEDs). In general, the …
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CRYSTAL STRUCTURE ENGINEERING FOR IMPROVED PERFORMANCE OF EMERGING NANOSCALE DEVICES
… show great promise for applications in lasers, solid-state lighting, near-field photolithography, free-space quantum cryptography, consumer displays, quantum computation, as well as diagnostic medicine and imaging. However, only few theoretical investigations have been performed on these …
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Charge and exciton dynamics in quantum dot light-emitting diodes
… emission for the next generation of display and solid state lighting technologies. In this thesis, we study how the interplay of charges and excitons in a QD-LED affect its operational behavior. In order to construct a physical model of a QD-LED, we start by developing quantitative …
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Semiconducting Devices and Nanomaterials: Insight from Computational Chemistry
… candidates for applications from displays to solid state lighting. Many phenomenological and empirical models exist to explain the properties of these materials, and have succeeded in describing some of their properties. However, both of these systems have high degrees of disorder; for OLEDs, …
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Materials Discovery by Crystal Growth: Synthesis, Structure Determination and Physical Properties of Complex Oxides of Niobium, Tantalum, Iron and Uranium
… of applications ranging from solar panels to solid-state lighting. Many research groups have focused their efforts on discovering new materials, specifically oxides, where the process is being fine tuned to yield compounds with unusual or enhanced physical properties. While the traditional …
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