Results 21 to 30 of about 523,434 (254)
Applied Sciences, 2022 More and more light-emitting diode lighting devices (LED) are being connected to modern power distribution lines. In addition to its many positive features, this poses problems in terms of reactive power compensation. The large number of LEDs interacting
Gytis Petrauskas, Gytis Svinkunas
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The reflection of diode technology light emitting (LED) on the modular design of external lighting
الاكاديمي, 2017 Search marked (the reflection of diode technology light emitting (LED) on the modular design of external lighting) is an analytical study of the units, external lighting for gardens and adopted in its work on the diode technology emitting light to reach ...
Esam Nouri Majeed
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Applied Sciences, 2020 We investigated a light emitting diode (LED) lighting system applied to a water bamboo field during winter season at night, and the results indicated that this lighting system can prevent the stunting of water bamboo leaves and further assist its growth.
Vincent K. S. Hsiao +11 more
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Buildings, 2023 The management of the life cycle of the transport network is one of the main challenges of sustainable mobility. Roads and highways cause significant damage to the ecosystem. Specifically, lighting systems contribute to climate change, energy consumption,
Alberto Picardo +3 more
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Energies, 2022 Road lighting is essential to ensure the safety and comfort of its users, especially in preventing accidents and aiding visual tasks. The monumental shift from conventional road lighting technology to light-emitting diode (LED) lighting is driven by ...
Nina Sakinah Ahmad Rofaie +2 more
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Demonstration Assessment of Light-Emitting Diode (LED) Accent Lighting at the Field Museum in Chicago, IL [PDF]
, 2010 This report reviews a demonstration of light-emitting diode (LED) accent lighting compared to halogen (typical) accent lighting in a gallery of the Field Museum in Chicago ...
Myer, Michael +3 more
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Nanofabrication of gallium nitride photonic crystal light-emitting diodes [PDF]
, 2010 We describe a comparison of nanofabrication technologies for the fabrication of 2D photonic crystal structures on GaN/InGaN blue LEDs. Such devices exhibit enhanced brightness and the possibility of controlling the angular emission profile of emitted ...
Rahman, Faiz +15 more
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Absorbance based light emitting diode optical sensors and sensing devices [PDF]
, 2008 The ever increasing demand for in situ monitoring of health, environment and security has created a need for reliable, miniaturised sensing devices. To achieve this, appropriate analytical devices are required that possess operating characteristics of ...
O'Toole, Martina +5 more
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Machine vision based in-process light-emitting diode chip mounting system
Measurement + Control, 2018 Background: In this study, a machine vision–based method was developed for automated in-process light-emitting diode chip mounting lines with position uncertainty.
Chao-Ching Ho, You-Min Chen, Po-Chieh Li
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Thin-film photonic crystal LEDs with enhanced directionality [PDF]
, 2009 The use of photonic crystals for light extraction from light-emitting diodes (LEDs) gives the possibility to shape the farfield emission pattern. This is of particular interest for étendue-limited LED applications that require a more directional ...
Bergenek, Krister +8 more
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