Light emitting diodes
Attractiveness of light‑emitting diodes (LEDs) of different wavelengths to the South American rice water weevil
... Brazil. Light traps could be used as an inte‑ grated pest management (IPM) strategy since these weevils have strong ...best light‑emitting diodes (LED) arrangement to build the lamp of ...
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Photogenerated carrier profile determination in polymeric light-emitting diodes by steady-state and transient photocurrent measurements
... Conjugated polymers have attracted much attention in the last 15 years due to their semiconducting properties and to their potential application in a wide variety of electronic and opto- electronic devices like ...
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Organic Light Emitting Diodes: Photophysics of Thermally Activated Delayed Fluorescence Emitters and Device Characterization
... The differences between singlet and triplet states are of paramount importance in organic light emitting diodes (OLEDs). In the way these devices work, charges are injected into a stack of organic ...
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The use of light-emitting diodes to stimulate mitochondrial function and liver regeneration of partially hepatectomized rats
... of light coherence in the stimulatory ...used light-emitting diodes (LED) to promote the stimulation of liver regeneration after partial hepatectomy in ...LED light irradiation (630 nm) ...
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Efficient photochemical generation of peroxycarboxylic nitric anhydrides with ultraviolet light emitting diodes
... source was operated with DIEK to generate PPN is shown in Fig. 3a. Superimposed as red circles are the PPN peak areas observed by the HP PAN-GC. The black trace shows the delivered amount of NO, calculated using the gas ...
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The use of light-emitting diodes (LED) in commercial layer production
... Feed intake (Table 2) was not significantly influenced by light sources or periods. This indicated that birds had the same visual sensitivity to all tested light sources, and did not change their feeding ...
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Effects of light quality supplied by light emitting diodes (LEDs) on microalgal production
... blue light range ...bluish light compared to cyanobacteria and chlorophytes (Table S1 in the supplementary material ...the light requirements of these microalgae have been ...the light ...
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Degree of conversion of different composite resins photo-activated with light-emitting diode and argon ion laser
... and light-emitting diodes (LED) are currently commercially available and may also influence the final physical properties of composite resins [18, ...QTH light and a better match of ...
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Electroluminescence and electric current response spectroscopy applied to the characterization of polymer light-emitting electrochemical cells
... organic/polymeric light-emitting diodes (OLEDs/PLEDs) due to advantageous characteristics like low operation voltage, simple device structure, and bipolar electroluminescence behavior almost ...
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Dissertação para obtenção do Grau de Doutor em Nanotecnologias e Nanociências Orientador: Doutora Elvira Maria Correia Fortunato, Professora Associada com agregação, Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa Co-orientador: Doutor R
... No terceiro capítulo encontram-se descritas as técnicas experimentais utilizadas no decorrer do trabalho de doutoramento. Algumas dessas técnicas foram introduzidas pelo candidato no CENIMAT/CEMOP:I3N, pelo que lhes será ...
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Electrical and optical numerical modeling of DP-PPV based polymer light emitting diode
... layer light emitting diodes based on polymers are still of great interest and several methods were used to understand their devices physics [23]- ...
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J. Braz. Chem. Soc. vol.27 número2
... is very inefficient. Nevertheless, when that molecule is incorporated as a guest in a conjugated polymer, the diode performance could be improved with a whitish output emission color. The enormous availability of weak ...
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Monochromatic light-emitting diode (LED) source in layers hens during the second production cycle Rodrigo Borille
... of light, involving the quantity, the color and the frequency spectrum (Gongruttananun & Guntapa, ...the light spectrum (545-575 nm), and it is responsible for their growth and behavior (Mobarkey et ...
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Performance of three LED-based fluorescence microscopy systems for detection of tuberculosis in Uganda.
... Light emitting diodes (LEDs) for fluorescence microscopy have been recently introduced for screening of Mycobacterium tuberculosis ...reliable light source with a long lifespan ...of ...
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Braz. Dent. J. vol.22 número3
... improve light curing and clinical work. Halogen light-curing units have been used in Orthodontics for many years and their important characteristics, such as the wide-spectrum action, allow any resin ...
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Braz. oral res. vol.20 número4
... The Light Emitting Diodes (LED) technology has been used to photoactivate composite resins and there is a great number of published studies in this ...gen light curing ...of light ...
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Eye Detection Based-on Color and Shape Features
... Infrared light (IR) is the dominant use of color [15], ...IR light falls on the eye, it produces the bright pupil ...IR light emitting diodes (LEDs) should be prepared for producing the ...
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J. Appl. Oral Sci. vol.19 número4
... O bjective: The aim of this study was to compare the polimerization ability of three different light-curing units (quartz tungsten halogen, light-emitting diodes and plasma arc) and th[r] ...
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ISSN 1516-635X Oct - Dec 2015 v.17 n.4 553-558 http:dx.doi.org10.15901516-635x1704553-558 Performance of Broilers Reared under Monochromatic Light Emitting Diode Supplemental Lighting
... other light sources, the Light Emitting Diodes (LED) have long life (50,000 hours) and low power consumption, there are evidences that they may improve broiler productivity (Karakaya et ...
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Susceptibility of planktonic cultures of Streptococcus mutans to photodynamic therapy with a light-emitting diode
... According to the experimental conditions de- scribed above, 0.1 mL of the bacterial suspension was added to each well of sterile 96-well flat-bot- tom microtiter plates (Costar Corning, New York, USA). Next, 0.1 mL of ...
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