high-efficiency organic light-emitting diodes
Alternative p doped hole transport material for low operating voltage and high efficiency organic light emitting diodes
... obtain organic light-emitting diodes (OLED) with high efficiency, many studies have focused on optimiz- ing the emission layer and very high external quantum efficiencies ...
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Enhanced light emission from top emitting organic light emitting diodes by optimizing surface plasmon polariton losses
... and organic capping layers were obtained by optimization of the optical outcoupling efficiency from optical ...a high refractive index (average value of n high = ...
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White top emitting organic light emitting diodes with solution processed nano particle scattering layers
... White organic light-emitting diodes (OLEDs) are prom- ising candidates for future applications in lighting and provide homogenous and glare-free illumination over a large ...quantum ...
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Controlling the emission efficiency of blue green iridium(III) phosphorescent emitters and applications in solution processed organic light emitting diodes
... mCP were selected because they are wide band gap materials with high triplet energies and together can transport both electron and hole well. A 60 nm electron-‐transporting layer 4,6-‐bis(3,5-‐ ...
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Enhancing the emission directionality of organic light emitting diodes by using photonic microstructures
... a high reflection and good conductivity. 20 The external quantum efficiency of LiF/Al/Ag-cathode planar devices is very close to that of LiF/Al-cathode ...
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Recent advances in light outcoupling from white organic light emitting diodes
... the organic materials (including the indium tin oxide (ITO) electrode) and the glass substrate, there is another step in the refractive index that confines many modes to within the organic ...outcoupling ...
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Characterization of Photophysical Properties of D AD Type Diketopyrrolopyrrole Based Molecules for Organic Light-Emitting diodes and Organic Solar Cells
... small-molecule-based organic semiconductors are expected to open new possibilities for their optoelectronic applications in organic electronic devices including organic light-emitting ...
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Fabrication and characterization of organic light emitting diodes for display applications
... of organic light emitting diodes involves charge injection from electrodes, transport of charge carriers, recombination of holes and electrons to generate electronically excited states called ...
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The influence of type I and type II triplet multiple quantum well structure on white organic light emitting diodes
... demonstrate high-efficient white organic light-emitting diodes (WOLEDs) based on triplet multiple quantum well (MQW) structure and focus on the influence on WOLEDs through employing ...
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Color Tunable Hybrid White Organic Light Emitting Diodes with Double Interlayers
... fluorescent emitting layer to the complement phosphorescent emitting layer and to blocking the triplet ex- citons in the complement phosphorescent emitting layer, interlayer with high singlet ...
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Temperature and Exciton Concentration Induced Excimer Emission of 4,4′ Bis(4′′ Triphenylsilyl) Phenyl 1,1′ Binaphthalene and Application for Sunlight Like White Organic Light Emitting Diodes
... a high doping concentration produced relatively stronger excimer emission compared to those with low concen- ...with high efficiency and wide-range spectrum, by using SiBN and bt 2 Ir(acac) ...
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Solvent immersion nanoimprint lithography of fluorescent conjugated polymers
... and high photoluminescence (PL) efficiency of semiconducting light-emitting polymers make them attractive materials for inexpensive photonic and optoe- lectronic ...including organic ...
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Modification of Conductive Polymer for Polymeric Anodes of Flexible Organic Light Emitting Diodes
... In this letter, PEDOT:PSS was modified with dimethyl sulfoxide (DMSO) in its solution state, followed by thermal treatment on the spin-coated films to improve its electrical conductivity. The mechanism of the improvement ...
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Colour tuning in white hybrid inorganic/organic light-emitting diodes
... the organic material is most likely a convolution of emission peaks from molecules in different state of aggre- ...the organic material itself (without the LED) on the other hand contains more green ...
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Measuring and structuring the spatial coherence length of organic light emitting diodes
... the light beam passing through a rotating diffuser that consists of 2 outer sticky films (tesafilm) /glass/2 inner sticky ...the light beam from the He-Ne laser without passing through the diffuser exhibits ...
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Electrospray deposition of polymer thin films for organic light emitting diodes
... for organic and inorganic thin films, and a few research groups have reported applica- tions to organic device fabrications ...to organic photovoltaic fabrication, while comparable power conversion ...
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White organic light emitting diodes with 4 nm metal electrode
... It is worth noting that the OLEDs with 4 and 6 nm Ag layers exhibit a greater EQE than the ITO reference. The same holds for the LE. Furthermore, using the outcoupling half sphere, a very high increase in EQE by a ...
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Cool to warm white light emission from hybrid inorganic/organic light-emitting diodes
... blue light and converting it into yellow, providing our first white hybrid inorganic/organic ...white light-emitting device due to the peak of the human eye response at 555 nm in the green ...
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Enhanced performance of nitride based ultraviolet vertical injection light emitting diodes by non insulation current blocking layer and textured surface
... Figure 6 illustrates the light-current-voltage (L-I-V) char- acteristics of these UV-VLEDs. With an injection current of 350 mA, the forward voltages were about 3.3 ~ 3.6 V for these UV-VLEDs. However, the forward ...
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A Review on the Synthesis and Use of Benzobisthiazoles: An Important Class of Heterocycles
... In 2013 in another report 67 , angular benzobisthiazole derivatives with a benzamide substitution (phenyl ring bearing different substitution) were recognized as novel helicase inhibitors through high throughput ...
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