Results 41 to 50 of about 156,807 (282)

Synchronization of Chaotic Quantum Dot Light Emitting Diodes under Optical Feedback Effect

open access: yesمجلة علوم ذي قار, 2020
Chaos synchronization of delayed quantum dot light emitting diode has been studied theortetically which are coupled via the unidirectional and bidirectional.
Huda M. Ali, Hussein B. Al Husseini
doaj  

Effects of photobiomodulation therapy on functional recovery, angiogenesis and redox status in denervated muscle of rats

open access: yesEinstein (São Paulo)
Objective: To evaluate the effects of photobiomodulation therapy in redox status, angiogenesis marker – vascular endothelial growth factor – and in the functional recovery in denervated muscle. Methods: A total of 32 female Wistar rats underwent a crush
Jéssica Junia Aparecida Cardoso Nascimento   +11 more
doaj   +2 more sources

Doping concentration effect on performance of single QW double-heterostructure InGaN/AlGaN light emitting diode

open access: yesEPJ Web of Conferences, 2017
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

Wafer-scale organic-on-III-V monolithic heterogeneous integration for active-matrix micro-LED displays

open access: yesNature Communications, 2023
The organic thin-film transistor is advantageous for monolithic three-dimensional integration attributed to low temperature and facile solution processing.
Lei Han   +9 more
doaj   +1 more source

Integrated ultrasonic particle positioning and low excitation light fluorescence imaging [PDF]

open access: yes, 2013
A compact hybrid system has been developed to position and detect fluorescent micro-particles by combining a Single Photon Avalanche Diode (SPAD) imager with an acoustic manipulator. The detector comprises a SPAD array, light-emitting diode (LED), lenses,
Al-Rawhani, M.   +3 more
core   +2 more sources

Comparison of Color Light-Emitting Diode Corneal Topographer and Dual Rotating Scheimpflug–Placido Topographer

open access: yesJournal of Ophthalmology, 2018
Purpose. To compare measurements of anterior and posterior keratometric values, using a color light-emitting diode corneal topographer and a dual rotating Scheimpflug–Placido topographer. Methods.
Jae Hyuck Lee   +5 more
doaj   +1 more source

Comparative analysis of LED priming effects on two medicinal lemon balm genotypes one and three weeks post-drought stress

open access: yesBMC Plant Biology
Background Light is essential for producing high-quality plants. The advancement of light-emitting diode technology has unlocked new opportunities for growing plants in controlled settings.
Tayebeh Ahmadi   +3 more
doaj   +1 more source

Photonic crystals for confining, guiding, and emitting light [PDF]

open access: yes, 2002
We show that by using the photonic crystals, we can confine, guide, and emit light efficiently. By precise control over the geometry and three-dimensional design, it is possible to obtain high quality optical devices with extremely small dimensions. Here
Lončar, Marko   +4 more
core   +2 more sources

High-performance planar light-emitting diode

open access: yes, 2002
Planar light-emitting diodes (LEDs) fabricated within a single high-mobility quantum well are demonstrated. Our approach leads to a dramatic reduction of radiative lifetime and junction area with respect to conventional vertical LEDs, promising very high-
Beere, H. E.   +7 more
core   +1 more source

Monolithic Integration of a Novel Microfluidic Device with Silicon Light Emitting Diode-Antifuse and Photodetector [PDF]

open access: yes, 2002
Light emitting diode antifuse has been integrated into a microfluidic device that is realized with extended standard CMOS technological steps. The device comprises of a microchannel sandwiched between a photodiode detector and a nanometer-scale diode ...
Berenschot, J.W.   +4 more
core   +1 more source

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