Le ST et al. 2014 10 Mb/s visible light transmission system using a polymer light-emitting diode with orthogonal frequency division multiplexing. Opt. Lett. 39 , 3876–3879.
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The chapter discusses the increasing need for a more sophisticated thermal characterization of light emitting diodes (LEDs) and LED-based products.
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Mar 21, 2014· (c) The lighting of a green LED placed between mountain- and valley-folded [email protected] (d and e) Paper craft by using transparent conductive papers. AgNW, silver nanowire; LED, light-emitting
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A series of π-conjugated chelating polymers with charged iridium (Ir) complex units based on 1,10-phenanthroline in the backbones were synthesized by Suzuki polycondensation, and homogeneous polymeric phosphorescent materials were obtained. 3,8-Dibromo-1,10-phenanthroline served as an N∧N ligand to form a charged Ir complex monomer with 1-(9,9-dioctylfluorene-2-yl)isoquinoline (Fiq) as the
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Colloidal semiconductor quantum dots (QDs) are a highly promising materials platform for implementing solution-processable light-emitting diodes (LEDs). They combine high photostability of traditional inorganic semiconductors with chemical flexibility of molecular systems, which makes them well-suited for large-area applications such as television screens, solid-state lighting, and outdoorGet a Quote
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Efficient blue polymer light‐emitting diodes (LEDs) are demonstrated using these PPPs as the semiconducting and luminescent polymers. Double‐layer polymer LEDs (consisting of a hole transport layer in addition to the electroluminescent layer) emit blue light with external quantum efficiencies between 1% and 3% photons per electron, when
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A light-emitting diode (LED) is a two-lead semiconductor light source that resembles a basic pn-junction diode, Nicaraguaept that an LED also emits light. When an LED's anode lead has a voltage that is more positive than its cathode lead by at least the LED's forward voltage drop, current flows.
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2.2. Lighting Conditions. Special long-wavelength (red) and short-wavelength (blue) light goggles were constructed for the study. Four long-wavelength ( nm) or four short-wavelength ( nm), light emitting diodes (LEDs) were mounted on the lenses of transparent goggles.The long-wavelength, red light goggles were used in the evening, as detailed below.
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