Search Results - "Chu, Changwoong"

High-performance blue OLED using multiresonance thermally activated delayed fluorescence host materials containing silicon atoms by Park, Dongmin, Kang, Seokwoo, Ryoo, Chi Hyun, Jhun, Byung Hak, Jung, Seyoung, Le, Thi Na, Suh, Min Chul, Lee, Jaehyun, Jun, Mi Eun, Chu, Changwoong, Park, Jongwook, Park, Soo Young

“…We report three highly efficient multiresonance thermally activated delayed fluorescence blue-emitter host materials that include…”
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21‐3: Unveiling the Degradation Mechanism of Phosphor‐Sensitized Blue Thermally Activated Delayed Fluorescence OLEDs by Shin, Hyo-sup, Naijo, Tsuyoshi, Lee, Jiyoung, do Kim, Eung, Chu, Changwoong M.

“…Many researchers have been developed phosphor sensitized blue TADF OLEDs (PST‐OLED) to achieve high efficiency and long operation lifetime. However,…”
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Conductivity in Alkylamine/Gold and Alkanethiol/Gold Molecular Junctions Measured in Molecule/Nanoparticle/Molecule Bridges and Conducting Probe Structures by Chu, Changwoong, Na, Jeong-Seok, Parsons, Gregory N

“…Charge transport through alkane monolayers on gold is measured as a function of molecule length in a controlled ambient using a metal/molecule/nanoparticle…”
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Enhanced Conduction through Isocyanide Terminal Groups in Alkane and Biphenylene Molecules Measured in Molecule/Nanoparticle/Molecule Junctions by Chu, Changwoong, Ayres, J. A, Stefanescu, D. M, Walker, B. R, Gorman, Christopher B, Parsons, Gregory N

“…Electrical conductance through conjugated biphenyl and saturated alkane molecules on gold electrodes is characterized using a molecule/nanoparticle/molecule…”
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27‐1: Invited Paper: Blue Phosphorescent Organic Light‐Emitting Didoes for Future Displays by Sun, Jinwon, Chu, Changwoong

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Exceptionally stable blue phosphorescent organic light-emitting diodes by Sun, Jinwon, Ahn, Heechoon, Kang, Sunwoo, Ko, Soo-Byung, Song, Dayoon, Um, Hyun Ah, Kim, Sungbum, Lee, Yoonkyoo, Jeon, Pyungeun, Hwang, Seok-Hwan, You, Youngmin, Chu, Changwoong, Kim, Sunghan

“…Blue phosphorescent organic light-emitting diodes (PhOLEDs) can deliver superior electroluminescence efficiencies than blue fluorescent OLEDs; however, their…”
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Highly Efficient Phosphorescent Organic Light-Emitting Diodes Using Benzo[4′,5′]imidazo[2′,1′:2,3]imidazo[4,5,1-jk]carbazole as a Rigid and Effective Electron Acceptor in Bipolar Host by Raikwar, Manish Mannulal, Kim, Seung Chan, Sun, Jinwon, Chu, Changwoong, Lee, Jun Yeob

“…A novel bipolar host architecture was investigated to improve the external quantum efficiency (EQE) of green phosphorescent organic light-emitting diodes…”
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Triplet Exciton Upconverting Blue Exciplex Host for Deep Blue Phosphors by Hui Yun, Ju, Lim, Junseop, Yeob Lee, Jun, Lee, Yoonkyoo, Chu, Changwoong

“…A thermally activated delayed fluorescence (TADF)‐type exciplex host employing a novel electron‐transport type (n‐type) type host managing positive polarons…”
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21‐1: Invited Paper: Analysis of Capacitance Characteristics of Highly Efficient Blue OLEDs by Impedance Spectroscopy by Shin, Hyosup, Yamamoto, Makoto, Ha, Moran, Bae, Sung-Soo, Chu, Changwoong

“…Blue phosphorescent materials typically have larger capacitance compared with commercialized blue fluorescent OLEDs. To improve capacitance‐related image…”
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Highly efficient and stable deep-blue organic light-emitting diode using phosphor-sensitized thermally activated delayed fluorescence by Kim, Eungdo, Park, Junha, Jun, Mieun, Shin, Hyosup, Baek, Jangyeol, Kim, Taeil, Kim, Seran, Lee, Jiyoung, Ahn, Heechoon, Sun, Jinwon, Ko, Soo-Byung, Hwang, Seok-Hwan, Lee, Jun Yeob, Chu, Changwoong, Kim, Sunghan

“…Phosphorescent and thermally activated delayed fluorescence (TADF) blue organic light-emitting diodes (OLEDs) have been developed to overcome the low…”
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41‐1: Invited Paper: Highly Efficient and Stable Deep‐blue Organic Light‐emitting Diode Using Phosphor‐sensitized Thermally Activated Delayed Fluorescence by Chu, Changwoong, Kim, Eungdo, Sun, Jinwon, Park, Junha, Ahn, Heechoon, Ko, Soo-Byung, Hwang, Seok-Hwan, Kim, Sunghan, Lee, Changhee

“…Phosphorescent and thermally activated delayed fluorescent (TADF) blue organic light‐emitting diodes (OLEDs) have been developed to overcome the relatively low…”
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20‐4: Study on the Effect of OLED Device Lifetime Improvement according to Hole Injection Barrier and p‐Dopants by Hong, Jaechul, Kang, Yoonsu, Lee, Jinyoung, Jeong, Seungjae, Ahn, Jaehong, Chu, Changwoong

“…In testing a special anode pretreatment technique to improve the lifetime of fluorescent blue devices, we found that the characteristics of two different blue…”
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SURFACE ANALYSIS FOR SELECTIVE SiO2 ETCHING BY REFLECTANCE PHOTOELASTIC MODULATED FOURIER TRANSFORM INFRARED SPECTROSCOPY by Doh, H-H, Chu, C, Chi, K-K, Moon, J-T

“…Photoelastic modulated FTIR (PEM FTIR) spectroscopy has been used to study the bonding structure and compositions of fluorocarbon films generated during…”
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42.3: Distinguished Paper: High Resolution AMOLED Panels for Mobile 3D Applications using White OLEDs with Color Filters by Chu, Changwoong, Lee, Sungsoo, Lee, Young-Shin, Lee, Sangjo, Park, Byunghee, Kim, Seil, Chung, Hokyoon, Kim, Sang Soo

“…An autostereoscopic mobile AMOLED panel has been developed with 6‐subpixel structured white OLED devices to maintain image resolution. To achieve the…”
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18.5: Efficient Tandem White OLED Devices for Medical Display Applications by Chu, Changwoong, Lee, Sungsoo, Lee, Gwan Hyoung, Lee, YoungShin, Ha, Jaekook, Lee, JuHyeon, Park, Byounghee

“…White OLED devices have been electrically and optically optimized for medical display applications. Efficiencies of 51.9 cd/A and 33.3 cd/A at ∼7,500K have…”
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Fabrication and characterization of electrical contacts for charge transport study in molecular electronics by Chu, Changwoong

“…Nanoscale imprint lithography (NIL) is investigated in the view point of the ability to form nanoscale feature. NIL at room temperature is proposed and…”
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Fabrication and characterization of electrical contacts for charge transport study in molecular electronics by Chu, Changwoong

“…Nanoscale imprint lithography (NIL) is investigated in the view point of the ability to form nanoscale feature. NIL at room temperature is proposed and…”
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Effect of carbon enrichment induced by photoresist on highly selective SiO 2 etching by Chu, Changwoong, Chi, Kyeong-Koo, Moon, Joo-Tae

“…We propose two models to discuss the behavior of the selective etching of SiO 2 to the underlying Si 3 N 4 with changing wafer surface temperatures. For this…”
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68.2: Achieving High Color Gamut with Microcavity on White OLED by Lee, Sungsoo, Chu, Changwoong, Chung, Jinkoo, Lee, Joohyeon, Choi, Junho, Ha, Jaekook, Kim, Seongmin, Choi, Joonhoo, Jung, Jaehoon, Kim, Chiwoo, Lee, Jinseok

“…We have demonstrated bottom‐emission white OLED devices, which have RGBW sub‐pixel and high color gamut over 100% NTSC ratio with White‐to‐Green microcavity…”
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70.1: Invited Paper: Large-Sized Full Color AMOLED TV: Advancements and Issues by Chung, Kyuha, Kim, Namdeog, Choi, Joonhoo, Chu, Changwoong, Huh, Jong-moo

“…We have demonstrated a 40‐inch diagonal, full color WXGA AMOLED TV. It was based on the technologies of amorphous silicon (a‐Si) TFT backplane and white OLED…”
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