light-emitting diodes (LED)
Determination of Planck’s Constant using Light Emitting Diodes
... by light-emitting ...a light emitting diode. When a light-emitting diode is switched on, electrons recombine with holes within and release energy in the form of photons which can ...
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Theoretical Studies on Light- Emitting Diodes : A Review
... The Light-emitting diode, commonly known as LED, is a semiconductor p-n junction that under proper forward-biased conditions can emit external spontaneous radiation in the ultraviolet, visible and infrared ...
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Light emitting diodes enhanced by localized surface plasmon resonance
... Light-emitting diodes [LEDs] have attracted much scientific and commercial interest since the realization of a practical LED device with emission frequencies in the visible region of the ...
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Investigation of Nanoscale Photonic Crystal Arrays on Gallium Nitride Blue Light emitting Diodes
... based light- emitting diodes (LED) have been gradually adopted as solid lighting sources ...the light extraction efficiency of light-emitting diodes, and the photonic ...
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COMPARISON OF A NEW HOST MATERIAL FOR ORGANIC LIGHT EMITTING DIODES
... Organic light emitting diodes (OLEDs) are a new branch of LED technology which has in recent times gained a lot of at ...organic light emit t ing diodes (OLEDs) is that it has low ...
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Substrate Free InGaN/GaN Nanowire Light Emitting Diodes
... Nitride light-emitting diodes (LEDs) have found numer- ous applications in our everyday life (general lighting, automotive headlamps, traffic signals, indicator lamps for electronic devices, ...the ...
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Measuring and structuring the spatial coherence length of organic light emitting diodes
... organic light-emitting diodes (OLEDs) is an important parameter that has gained little atten- tion to ...top emitting) and the fringe visibil- ity is further manipulated by gratings embedded ...
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Light Emitting Diodes as Alternative Light Sources: Effects of Ultraviolet Frequencies on Microbial Replication
... as light sources, that have a broad spectral emission, on the contrary Light Emitting Diodes have specific ...of light at different wavelengths on microorganism’s replication in dif- ...
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White organic light emitting diodes with 4 nm metal electrode
... We investigate metal layers with a thickness of only a few nanometers as anode replacement for indium tin oxide (ITO) in white organic light-emitting diodes (OLEDs). The ultrathin metal elec- trodes ...
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Fabrication and characterization of organic light emitting diodes for display applications
... organic light emitting diodes involves charge injection from electrodes, transport of charge carriers, recombination of holes and electrons to generate electronically excited states called excitons, ...
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AlGaInP light emitting diodes with SACNTs as current spreading layer
... The current-spreading effect is one of the most important factors limiting the external quantum efficiency of light- emitting diodes (LEDs) [1,2]. Limited by the mobility and thickness of the ...
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Enhanced performance of nitride based ultraviolet vertical injection light emitting diodes by non insulation current blocking layer and textured surface
... nitride-based light-emitting diodes (LEDs) has been rising since the last 20 years, and they are extensively used in outdoor displays, vehicle light- ings, and ...low light extraction ...
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Influence of indium-tin-oxide and emitting-layer thicknesses on light outcoupling of perovskite light-emitting diodes
... perovskite light‑emitting diodes (PeLEDs) are emerging as a promising candidate for next‑generation optoelectronic ...perovskite emitting lay‑ ...the light trapped inside the ...
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New Organic Thin Film Encapsulation for Organic Light Emitting Diodes
... Organic Light-Emitting diodes (OLEDs) are extremely sensitive to water vapour and oxygen, which causes rapid ...bottom emitting OLEDs which is not a viable option for flexible as well as top ...
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Enhanced Performance of Quantum Dot Based Light Emitting Diodes with Gold Nanoparticle Doped Hole Injection Layer
... dot-based light-emitting diodes (QLEDs) comprising ZnCdSe/ZnS core-shell QDs as an emitting layer were enhanced by employing Au-doped poly(3,4-ethylenedioxythiophene)/polystyrene sulfonate ...
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Growth and characterization of thin Cu phthalocyanine films on MgO(001) layer for organic light emitting diodes
... enable light to be emitted from the bottom of the struc- ...organic light-emitting diode (OLED) device performance ...organic light-emitting diodes (OLEDs) ...
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Origin of power fluctuations in GaN resonant cavity light emitting diodes
... GaN LEDs are finding uses in displays, general lighting, data communications, high-power transistors, data storage, and many other applications [1,2,3]. However, growth of the GaN material is still far from perfect, ...
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Fabrication and characterization of Polymer Light Emitting Diodes (PLEDs) for display application
... polymer light emitting diode (PLED) strongly depends on materials, fabrication and the structure of the ...Polymer light-emitting diodes typically consists of emitting layer(s) ...
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Enhanced light emission from top emitting organic light emitting diodes by optimizing surface plasmon polariton losses
... We demonstrate enhanced light extraction for monochrome top-emitting organic light-emitting diodes (OLEDs). The enhancement by a factor of 1.2 compared to a reference sample is caused ...
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Recent advances in light outcoupling from white organic light emitting diodes
... Organic light-emitting diodes (OLEDs) have been successfully introduced to the smartphone display market and have geared up to become contenders for applications in general illumination where they ...
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