Search Results - "Koo, Won Hoe"
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Enhancement of Optical Efficiency in White OLED Display Using the Patterned Photoresist Film Dispersed With Quantum Dot Nanocrystals
Published in Journal of display technology (01-06-2016)“…Quantum dot (QD) nanocrystals dispersed in photoresist (PR) film was developed and applied to white organic light-emitting diode (OLED) to improve optical…”
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Light extraction from organic light-emitting diodes enhanced by spontaneously formed buckles
Published in Nature photonics (01-04-2010)“…Most of the light in conventional organic light-emitting diodes is confined to high-refractive-index layers (such as an organic medium, indium tin oxide and…”
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Light Extraction of Organic Light Emitting Diodes by Defective Hexagonal-Close-Packed Array
Published in Advanced functional materials (21-08-2012)“…Defective silica sphere arrays having locally hexagonal‐closed‐packed structure but lack of long range ordering were incorporated into organic light emitting…”
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Polarization Conversion in Surface-Plasmon-Coupled Emission from Organic Light-Emitting Diodes Using Spontaneously Formed Buckles
Published in Advanced materials (Weinheim) (22-02-2011)“…Shine on: An organic light‐emitting‐diode device with buckling structure is remarkably effective at outcoupling the surface plasmon (SP) mode over all emission…”
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Controlling bucking structure by UV/ozone treatment for light extraction from organic light emitting diodes
Published in Organic electronics (01-07-2011)“…Most of light emitted from organic light emitting diodes (OLEDs) is trapped into ITO/organic layers as waveguide modes. In order to effectively extract the…”
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Improved stability of organic light-emitting diode with aluminum cathodes prepared by ion beam assisted deposition
Published in Science and technology of advanced materials (01-01-2005)“…We have fabricated highly stable organic electroluminescent devices based on spin-coated poly- p-phenylene-vynylene (PPV) thin films. The electrical properties…”
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Enhancement of long-term stability of pentacene thin-film transistors encapsulated with transparent SnO2
Published in Applied surface science (15-12-2005)“…The long-term stability of pentacene thin-film transistors (TFTs) encapsulated with a transparent SnO2 thin-film prepared by ion beam-assisted deposition…”
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Water Vapor Barrier Properties of Transparent SnO2−SiOx Composite Films on Polymer Substrate
Published in The journal of physical chemistry. B (09-12-2004)Get full text
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Effects of the Polarizability and Packing Density of Transparent Oxide Films on Water Vapor Permeation
Published in The journal of physical chemistry. B (09-06-2005)“…The tin oxide and silicon oxide films have been deposited on polycarbonate substrates as gas barrier films, using a thermal evaporation and ion beam assisted…”
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Diamond-like carbon as a buffer layer in polymeric electroluminescent device
Published in Thin solid films (01-07-2005)“…Diamond-like carbon (DLC) layer was deposited by the Cs + ion sputtered negative ion deposition technique between hole transport layer and indium tin oxide…”
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Enhanced passivation characteristics in OLEDs by modification of aluminum cathodes using Ar + ion beam
Published in Solid-state electronics (01-05-2005)“…Organic light-emitting diodes (OLEDs) with aluminum cathodes prepared by the ion-beam-assisted deposition (IBAD) have a longer lifetime than thermally…”
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The environmental consequences of globalization: A country-specific time-series analysis
Published in Ecological economics (01-06-2009)“…The dynamic relationships among trade, income and the environment for developed and developing countries are examined using a cointegration analysis. Results…”
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Fabrication of Organic Electroluminescence Device with Ion Beam-Assisted Deposition of Ultrathin Lithium Fluoride as a Hole Injection Layer
Published in Japanese Journal of Applied Physics (01-01-2005)“…An ultrathin lithium fluoride (LiF) hole injection layer was deposited on an indium-tin-oxide (ITO) anode by an ion-beam-assisted deposition (IBAD) technique…”
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Direct Fabrication of Organic Light‐Emitting Diodes on Buckled Substrates for Light Extraction
Published in Advanced optical materials (01-05-2013)“…Organic light‐emitting diodes fabricated directly on a buckled PDMS surface with ultraviolet/ozone treatment without using lithography and imprinting processes…”
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Encapsulation of Organic Field-Effect Transistors with Highly Polarizable Transparent Amorphous Oxide
Published in Japanese Journal of Applied Physics (01-01-2005)“…To enhance the stability of pentacene field-effect transistors, a highly polarizable amorphous oxide is used as a gas barrier due to the strong chemical…”
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Factors affecting the carbon allowance market in the US
Published in Energy policy (01-04-2010)“…The US carbon allowance market has different characteristic and price determination process from the EU ETS market, since emitting installations voluntarily…”
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Charge Assisted Deposition of Polycrystalline Silicon Thin Films by Cesium Sputter Ion Beam Deposition
Published in Japanese Journal of Applied Physics (01-10-2004)Get full text
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On the upsurge of U.S. food prices revisited
Published in Economic modelling (01-10-2014)“…The objective of this study is to empirically examine the effects of changes in exchange rate, commodity price and energy price on five U.S. food prices —…”
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The Short-Term Impact of a Domestic Cap-and-Trade Climate Policy on Local Agriculture: A Policy Simulation with Producer Behavior
Published in Environmental & resource economics (01-08-2014)“…This study is intended to develop understanding of possible impact of a domestic cap-and-trade climate policy on local agriculture. We focus the study on the…”
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Analyzing Factors Affecting U.S. Food Price Inflation
Published in Canadian journal of agricultural economics (01-09-2010)“…Since the summer of 2007, U.S. food price inflation has increased dramatically. Given public anxiety over fast‐rising food prices, this study attempts to…”
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