Results 31 to 40 of about 4,205,989 (306)
Objective: To compare the effects of microwave and light emitting diode disinfection on the dimensional stability of two denture base materials; polymethyl methacrylate and polyamide.
Hina rehman +7 more
doaj
Machine vision based in-process light-emitting diode chip mounting system
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
doaj +1 more source
Recent advances in light outcoupling from white organic light-emitting diodes [PDF]
M.C.G. is grateful to the Scottish Funding Council (via SUPA) for financial support.Organic light-emitting diodes (OLEDs) have been successfully introduced to the smartphone display market and have geared up to become contenders for applications in ...
Gather, M.C. +2 more
core +1 more source
Remaining life prediction is an effective way to optimize maintenance strategy and improve service life for light-emitting diode driving power in rail vehicle carriage.
Zhi Gao +4 more
doaj +1 more source
Nonlinear Quantum Dot Light Emitting Diode Dynamics and Synchronization with Optoelectronic Feedback
We studies a three-variable dimensionless model for a quantum dot light emitting diode (QD-LED) subject to optoelectronic feedback (OEFB). In dependence of the feedback strength and delay-time we analyze complex bifurcation scenarios for the intensity ...
Methag Abdalwahed Kadim +9 more
doaj +1 more source
Bidirectional light-emitting diode as a visible light source driven by alternating current
Gallium nitride-based light-emitting diodes have revolutionized the lighting market by becoming the most energy-efficient light sources. However, the power grid, in example electricity delivery system, is built based on alternating current, which raises ...
Mikołaj Żak +10 more
doaj +1 more source
Photothermal detection of trace optical absorption in water by use of visible-light-emitting diodes [PDF]
Visible light emitting diodes of three different colors have been used to detect an absorbing compound (potassiumpermanganate) in trace quantities in aqueous solution.
Johnson, Mark +5 more
core +1 more source
Light emitting diode (LED) employed a numerous applications such as displaying information, communication, sensing, illumination and lighting. In this paper, InGaN/AlGaN based on one quantum well (1QW) light emitting diode (LED) is modeled and studied ...
Abdul Halim N. Syafira +4 more
doaj +1 more source
The present study was an attempt to establish a suitable method for the effective diagnosis of extra-pulmonary tuberculosis in Bangladesh. In this regard, detection of Mycobacterium tuberculosis from 390 different extra-pulmonary specimens was performed ...
Saurab Kishore Munshi +3 more
doaj +1 more source
Background: Phototherapy with radiation of 460–490 nm wavelengths provides the most potent therapeutic effect for neonatal jaundice. However, the efficacy of phototherapy has been estimated using single-wavelength detectors with sensitivity at ...
Shin Kato +8 more
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