Search Results - "Oh, Chang Ho"

Fractional Composition Analysis for Upgrading of Fast Pyrolysis Bio-Oil Produced from Sawdust by Jeon, Hwayeon, Park, Jo-Yong, Lee, Jae, Oh, Chang-Ho, Kim, Jae-Kon, Yoon, Jaeyoung

“…We can prevent climate change by reducing greenhouse gas (GHG) emissions caused by fossil fuel usage through introducing alternative fuels such as bio-oil. The…”
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Pt-Catalyzed Hydrative Cyclization of 2-Enynylbenzaldehydes and Its Application to Faveline Synthesis by Ho Oh, Chang, Lee, Sung Min, Hong, Chang Seop

“…Various 2-[6-en-1-ynyl]benzaldehydes and their analogues were successfully cyclized via Huisgen-type [3+2] cycloaddition to the tetracyclic platinum−carbene…”
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45‐1: A Novel 88‐inch 8K OLED Display for Premium Large‐Size TVs by Shin, Hong-Jae, Choi, Soo-Hong, Kim, Dong-Myoung, Han, Seong-Eok, Bae, Sung-Joon, Park, Sin-Kyun, Kim, Han-Seop, Oh, Chang-Ho

“…In this paper, we present the novel 88‐inch 8K OLED display for premium large size TVs. New key technologies are applied to 8K OLED display, including a…”
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Advanced compensation technologies for large-sized UHD OLED TVs by Takasugi, Shinji, Shin, Hong-Jae, Chang, Min-Kyu, Ko, Sam-Min, Park, Hyo-Jin, Lee, Jeong-Pyo, Kim, Han-Seop, Oh, Chang-Ho

“…In this paper, we present novel organic light‐emitting diode (OLED) display panel compensation technologies for large‐sized ultra‐high‐definition OLED TVs…”
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Synthesis of Primitive Dendrimer Systems Bearing Bicyclo[3,2,0] Hept-6-en-6-yl Groups via Unique Au-catalyzed [2+2] Cyclization by Lee, Kyu Hwan, Jillella, Raveendra, Kim, Jaewoong, Oh, Chang Ho

“…Propargylic pivaloates bearing an alkynyl group at a three-carbon tether under the gold catalysis would undergo [3,3] rearrangements of propargylic pivaloates…”
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Divergent Insertion Reactions of Pt–Carbenes Generated from [3+2] Cyclization of Platinum‐Bound Pyrylliums by Oh, Chang Ho, Lee, Ji Ho, Lee, Sung Min, Yi, Hyun Jik, Hong, Chang Seop

“…Good fusion: We describe the reactivity of Pt–carbene B, derived from enynals 1 via A, with Pt catalysts to afford fused cyclopropanes 2, which are obtained by…”
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Removal Effect of Ash and Metallic Species by Washing from Empty Fruit Bunch Byproducts in Palm Mills on Pyrolytic Characteristics to Produce Bio-Crude Oil by Yoo, Heung-Min, Seo, Yong-Chil, Park, Se-Won, Kang, Jae-Jun, Choi, Hang Seok, Oh, Chang-Ho

“…The fast pyrolysis of biomass, empty fruit bunches from the palm mill industries, was conducted in a lab-scale bubbling fluidized bed reactor with a throughput…”
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Acid-catalyzed synthesis of 2,3-dihydronaphtho[2,3-b]furan and 3,4-dihydro-2H-benzo[g]chromene derivatives by Le, Thuy Quynh, Oh, Chang Ho

“…An efficient and facile method for producing 2,3-dihydronaphtho[2,3-b]furan and 3,4-dihydro-2H-benzo[g]chromene has been developed. This methodology utilizes…”
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Au(I)-Catalyzed Hydrative Rearrangement of 1,1-Diethynylcarbinol Acetates to Functionalized Cyclopentenones and Allenones by Oh, Chang Ho, Karmakar, Swastik

“…Atom-economical syntheses of isomeric 5-acetoxy-2-alkyl-2-cyclopentenones (2) and acetoxymethyl α-alkylallenones (3) have been described via Au-catalyzed…”
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Access toward steroid skeleton and its derivatives via copper‐catalyzed intramolecular cyclization: A short synthesis of estradiol and estrone by Liaba, Niaz, Lee, Junseong, Oh, Chang Ho

“…A practical and efficient approach leading to [6,6,6,5] tetracyclic fused ring steroid skeletons (8 a–i) has been designed through copper catalyzed…”
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A Novel Phase-Modulated Excimer-Laser Crystallization Method of Silicon Thin Films by Chang-Ho Oh, Chang-Ho Oh, Motohiro Ozawa, Motohiro Ozawa, Masakiyo Matsumura, Masakiyo Matsumura

“…We propose a novel excimer-laser crystallization method that uses a phase-shift mask for large-grain growth of Si thin films on the glassy substrate. Due to…”
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Advanced technologies for UHD curved OLED TV by Han, Chang-Wook, Park, Jung-Soo, Choi, Hong-Seok, Kim, Tae-Shick, Shin, Young-Hoon, Shin, Hong-Jae, Lim, Moo-Jong, Kim, Bong-Chul, Kim, Han-Seop, Kim, Bum-Sik, Tak, Yoon-Heung, Oh, Chang-Ho, Cha, Soo-Youle, Ahn, Byung-Chul

“…Ultra‐high definition (UHD) curved organic light‐emitting diode (OLED) TV requires advanced technologies to realize mass production. White, red, green, and…”
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Production of bio-oil from fast pyrolysis of biomass using a pilot-scale circulating fluidized bed reactor and its characterization by Park, Jo Yong, Kim, Jae-Kon, Oh, Chang-Ho, Park, Jong-Wook, Kwon, Eilhann E.

“…To circumvent the adverse impacts arising from an excessive use of fossil fuels, bioenergy and chemical production from a carbon neutral resource (biomass) has…”
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Heat processing decreases Amadori products and increases total phenolic content and antioxidant activity of Korean red ginseng by Kim, Gyo-Nam, Lee, Jung-Sook, Song, Ji-Hye, Oh, Chang-Ho, Kwon, Young-In, Jang, Hae-Dong

“…The functional properties of Korean red ginseng (KRG) are known to be dependent upon the extent of heat processing. We demonstrated that repeated heat…”
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Copper-catalyzed tandem reaction of 2-alkynylanilines with benzoquinones: efficient access to 3-indolylquinones by Jillella, Raveendra, Oh, Chang Ho

“…A simple, mild, catalytic and efficient method for the straightforward synthesis of an interesting class of 2-aryl/alkyl-substituted-3-indolyl quinones in good…”
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Mechanism of image sticking after long-term AC field driving of IPS mode by Momoi, Yuichi, Tamai, Kazuhiko, Furuta, Kaoru, Lee, Tae-Rim, Kim, Kyeong-Jin, Oh, Chang-Ho, Koda, Tomonori

“…— An AC electric field to drive the IPS mode of a liquid‐crystal display (LCD) causes a reduction in the contrast after a long period of display operation…”
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Intramolecular Cyclization of 2‐Alkynylphenylcarbonyls With a Pendant Double Bond under Copper Catalysis: A General Approach to Norabietane Core Structure by Kang, Juyeon, Lee, Ju Hui, Lee, Junseong, Oh, Chang Ho

“…Synthetic routes leading to [6,6,6]‐tricyclic compounds were reported using metal catalysts from ene‐yne‐aldehydes in our group. Based on this result, the…”
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45-2: Advanced OLED Display Technologies for Large-Size Semi-Flexible TVs by Shin, Hong-Jae, Park, Kwang-Mo, Takasugi, Shinji, Choi, Soo-Hong, Jeong, Yun-Sik, Choi, Hee-Dong, Kim, In-Jue, Kim, Han-Seop, Lee, Hyeon-Woo, Oh, Chang-Ho

“…In this paper, we present advanced OLED display technologies for large‐size semi‐flexible TVs, including a coplanar TFT backplane, a high‐performance RGBW…”
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Access to [6‐7‐6]‐Icetexanes through Sequential Cascade Cyclization and Biomimetic Ring Expansion by Le, Thuy Quynh, Liaba, Niaz, Jeong, Da In, Lee, Jeonghyo, Oh, Chang Ho

“…We herein report an efficient synthetic method for preparing [6‐7‐6]‐icetexane derivatives. This approach employs our previously designed copper‐catalyzed…”
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Preparation and curing chemistry of ultra-low CTE epoxy composite based on the newly-designed triethoxysilyl-functionalized ortho-cresol novolac epoxy by Kim, Yun-Ju, Chun, Hyunaee, Park, Sook-Yeon, Park, Su-Jin, Oh, Chang Ho

“…For the design of the semiconductor packaging material, one of the most important challenges is to overcome the higher thermal expansion property of ‘organic’…”
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