Performance Improvement of the Organic Light-Emitting Diodes by Using a LiF/Pyromellitic Dianhydride Stacked Cathode Interfacial Layer

Nam, Eunkyoung,Moon, Mi Ran,Jung, Donggeun,Lee, Sungwoo,Chae, Heeyeop,Cho, Jae Hyun,Yi, Junsin,Park, Sang Han,Cho, Mann-Ho,Kim, Hyoungsub The Electrochemical Society 2010 Journal of the Electrochemical Society Vol.157 No.12

Effects of the pyromellitic dianhydride cathode interfacial layer on characteristics of organic solar cells based on poly(3-hexylthiophene-2,5-diyl) and [6,6]-phenyl C₆₁ butyric acid methyl ester

Nam, Eunkyoung,Moon, Mi Ran,Kim, Jungwoo,Jung, Donggeun,Kim, Hyoungsub,Chae, Heeyeop,Yi, Junsin Cambridge University Press (Materials Research Soc 2010 Journal of materials research Vol.25 No.5

<P>This study examined the performance of poly(3-hexylthiophene-2,5-diyl)(P3HT)- and [6,6]-phenyl C61 butyric acid methyl ester (PCBM)-based organic solar cells (OSCs) with a pyromellitic dianhydride (PMDA) cathode interfacial layer between the active layer and cathode. The effect of inserting the cathode interfacial layer with different thicknesses was investigated. For the OSC samples with a 0.5 nm thick PMDA layer, the power conversion efficiency (PCE) was approximately 2.77% under 100 mW/cm<SUP>2</SUP> (AM1.5) simulated illumination. It was suggested that the PMDA cathode interfacial layer acts as an exciton blocking layer, leading to an enhancement of the OSC performance.</P>

The characteristics of organic solar cell with Ga-doped ZnO thin films as anodic electrode

Eunkyoung Nam,Mi Ran Moon,Donggeun Jung,Young-Hun Kang,Choon-Gi Choi,Juho Kim,YoungSung Kim 한국진공학회 2009 한국진공학회 학술발표회초록집 Vol.36 No.-

Organic Light Emitting Diodes with pulse DC sputtered Ga-doped ZnO thin films as anodic electrode

Eunkyoung Nam,Mi Ran Moon,Donggeun Jung,Young-Hun Kang,Choon-Gi Choi,Juho Kim,YoungSung Kim 한국진공학회 2009 한국진공학회 학술발표회초록집 Vol.36 No.-

Oral findings and dental management of a patient with Moebius syndrome

Eunkyoung Lee,Youngjin Kim,Hyunjung Kim,Soonhyeun Nam Asia association of Disability and Oral health 2014 International Journal of Disability and Oral Healt Vol.10 No.2

Moebius syndrome is a rare, congenital neurological disease involving facial paralysis and limitation of eye movements. It results from maldevelopment of the sixth and seventh cranial nerves. Dental features of this syndrome include micrognathia, microstomia, tongue deformity, cleft palate, hypoplasia of the teeth, and congenital missing teeth. A 7-year-old female with Moebius syndrome was referred from a local dental clinic for caries treatment. She presented with facial paralysis and microstomia. Oral findings included multiple caries with enamel hypoplasia, congenital missing teeth, and tongue deformity. Dental treatments including restorative and preventive procedures were performed. Oral findings and management aspects of Moebius syndrome for this case are discussed. Early evaluation and multidisciplinary care are needed for children with Moebius syndrome.

중국 초등학교 인공지능(AI) 교육과정과 교과서 분석

남미주 ( Nam¸ Mijoo ),김정효 ( Kim¸ Junghyo ),황은경 ( Hwang¸ Eunkyoung ),( Jin¸ Chunlan ) 서울교육대학교 초등교육연구원 2021 한국초등교육 Vol.32 No.3

본 연구는 우리나라의 초등 AI 교육과정과 교과서 개발을 위한 탐색으로 해외 주요 국가의 AI 교육과정 특징을 살펴보고, 기초교육에서부터 AI 교육을 실행하고 있는 중국의 초등 AI 교육과정과 교과서를 분석하고자 하였다. 이를 위해 첫째, 해외 주요 국가들의 AI 정책 및 교육과정과 대비하여 중국 교육과정의 특징을 알아보고 둘째, 중국 초등 AI 교과서인 화동사범대학출판사의 초등과정 교과서 3권과 허난인민출판사의 초등과정 교과서 12권을 선정하여 내용을 분석하였다. 연구 결과를 종합하면 다음과 같다. 첫째, 해외 주요 국가 AI 교육과정의 특징은 영국은 AI에 대한 직접적인 언급은 없으나 알고리즘과 프로그래밍 언어를 바탕으로 AI의 기본구조에 대한 이해를 돕도록 하고 있었으며, 유럽연합과 미국은 AI에 대한 기초지식 및 프로그래밍, 그리고 AI 기술에 대해 다루고 있었으며 또한, AI가 사회에 미치는 다양한 영향, 윤리적인 측면을 강조하고 있었다. 이에 비해 중국 초등 AI 교육과정의 특징은 프로그래밍 및 알고리즘에 대해서 다루며 피지컬 컴퓨팅을 통해 기계와 프로그래밍의 원리를 학습하도록 하고 있으나 AI 기술에 대한 직접적인 내용은 담고 있지 않았으며, AI 기술로 인해 초래될 수 있는 부정적인 사회적 영향에 대한 내용도 포함하고 있지 않았다. 둘째, 중국 초등 AI 교과서를 분석한 결과, 1) 2종 교과서 모두 프로그래밍 중심적이고 학년별 계열성이 명확하게 보였으나. 정서적이고 윤리적인 내용은 미흡하였다. 2) 각 출판사별로 보면, 화동사범대학출판사 교과서의 경우 학습 주제에 있어서 AI 편리성과 유용성에 대해 강조하고 있었으며, 허난인민출판사 교과서의 경우 학습 도구로 게임을 활용하는 점에서 학습자 친화적 성격을 나타내고 있었다. 본 연구에서는 우리나라 초등 AI 교육과정과 교과서 개발에 있어서 초등교육의 목적과 아동 발달단계에 부합하는 AI 교육과 과학기술에 대한 문해력 배양의 필요성을 시사점으로 도출하였고, 초등 AI 교육에 있어서 윤리교육의 실행과 쟁점들에 대하여 지속적인 연구의 필요성을 제안하였다. This study aims to identify the characteristics of AI curricula in major countries and analyze China’s AI curricula and textbooks for elementary education, which implements AI education from basic education, in a way to develop elementary AI curricula for the academic year 2022 in Korea. For this purpose, first, we examined the characteristics of the Chinese curricula compared to AI policies and curricula of the developed countries. Second, we analyzed China’s elementary school textbooks―three published by East China Normal University Press and 12 by Henan People’s Publishing House. This study achieved a meaningful result in two aspects. First, AI curricula of the leading countries in education are categorized into UK and others. UK does not directly cover AI technology itself but helps students understand the basic structure of AI based on algorithms and programming languages. On the other hand, other countries deal with the basic knowledge and programming of AI and AI technology and emphasiz the technology’s social impact and ethical aspects. In contrast, China’s AI curricula focuses on programming and algorithms, helping students learn physical computing to understand machinery and programming principles. However, they cover neither the technology itself nor its potential adverse effects on society. Second, the Chinese AI textbooks published by the two publishers focus on programming and clearly show level differences by grade. However, all of them have insufficient content for the emotional and ethical aspects of the technology. When comparing textbook content by publisher, East China Normal University Press emphasizes the convenience and usefulness of AI as a learning topic, whereas Henan People’s Publishing House is more student-friendly, using games as one of the learning tools. In conclusion, this study implies the need for developing elementary school students’ literacy on AI education and science technology appropriate for the purpose of elementary education and the development stages of children. It also suggests a constant need for research on the implementation of ethical education and ensuing issues concerning AI education for elementary students.

초등 도덕과 정보윤리 교육과정 및 교과서 변천

남미주(Nam Mijoo),김정효(Kim Junghyo),황은경(Hwang Eunkyoung),JIN CHUNLAN 학습자중심교과교육학회 2021 학습자중심교과교육연구 Vol.21 No.3

본 연구는 정보사회의 변화에 따른 초등 도덕과 정보윤리 교육과정과 교과서 변천 및 그 특징을 살펴보고 미래 초등 도덕과 정보윤리 교육에 대한 시사점을 도출하 는데 그 목적이 있다. 이를 위해 본 연구에서는 2007, 2009, 2015 개정 교육과정의 내용체계, 내용요소(성취기준), 그리고 교과서 학습활동을 분석하였다. 이를 통한 연구 결과는 다음과 같다. 1) 내용체계면에서는 세 교육과정 모두 정보윤리가 타인과의 관계인 II 영역에서만 다뤄지고 있었으며, 시수는 줄었고, 해당 학년은 4학년에서 시작하였던 것이 5학년으로 올라갔다. 2) 내용요소에서는 정보사회의 역기능적 문제에서 출발하여 정보사회의 전반적인 이해로 확대되었으나 2015 교육과정에서는 시수의 감소로 다시 대응행동이 강조되는 양상을 보이고 있다. 3) 학습활동에서의 인지적 학습활동은 지식이해가 중심이 되어 있으며 사고력 배양에는 미흡하였고, 정의적 학습활동은 배려와 공감 관련 활동은 있었지만 자아정체감과 디지털 시민으로서 책임감과 관련된 활동은 부족하였으며, 행동적 학습활동은 역기능을 억제하고 인터넷 생활을 점검하는 수준을 넘지 않는 것으로 보였다. 따라서 정보사회에서 자신 및 타인의 권리를 보호할 수 있는 대처능력과 참여능력을 배양할 수 있는 학습활동이 보완되어질 필요가 있는 것으로 보인다. The purpose of this study is to explore the changes of information ethics curricula and textbooks of elementary school moral education and their characteristics in accordance with the changes in information society and draw implications regarding elementary school information ethics education in the future. For this purpose, this study analyzed the content frameworks, content factors(achievement standards) and learning activities in the textbooks based on the curricula revised in 2007, 2009 and 2015 respectively. The results of this research are as follows; 1) With regard to the content frameworks, information ethics education has been placed only in the content division II, which deals the ethical relationship with others, in all the three revised curricula. Also, in 2015 revision the time assigned to it was reduced, and the starting grade went up from the 4 th grade to the 5 th grade. 2) Regarding content factors, they started from dysfunctional issues of information society, and were expanded into overall understanding of it, Meanwhile basic coping behaviors were emphasized again in 2015 revised curriculum due to the reduction of instruction time. 3) In terms of learning activities, cognitive activities were insufficient in cultivating thinking skills and conceptual understanding. Also affective activities dealt with thoughtfulness and sympathy but lacked self-identity and responsibility as a digital citizen. And in the case of behavioral activity area, it is necessary to develop more practice and application activities to foster students‘competence for protecting their individual rights in the information society, beyond just being active participants in the internet space.

솔루션링크 - 국내 대표 소프트웨어공학 전문기업

지은경(Eunkyoung Jee),남재창(Jaechang Nam) 한국정보과학회 2022 정보과학회지 Vol.40 No.5

Oral findings and dental management of a patient with Moebius syndrome: a case report

Lee, Eunkyoung,Kim, Youngjin,Kim, Hyunjung,Nam, Soonhyeun Korean Association for Disability and Oral Health 2014 대한장애인치과학회지 Vol.10 No.2

Moebius syndrome is a rare, congenital neurological disease involving facial paralysis and limitation of eye movements. It results from maldevelopment of the sixth and seventh cranial nerves. Dental features of this syndrome include micrognathia, microstomia, tongue deformity, cleft palate, hypoplasia of the teeth, and congenital missing teeth. A 7-year-old female with Moebius syndrome was referred from a local dental clinic for caries treatment. She presented with facial paralysis and microstomia. Oral findings included multiple caries with enamel hypoplasia, congenital missing teeth, and tongue deformity. Dental treatments including restorative and preventive procedures were performed. Oral findings and management aspects of Moebius syndrome for this case are discussed. Early evaluation and multidisciplinary care are needed for children with Moebius syndrome.

Identification of tissue-specific targeting peptide.

Jung, Eunkyoung,Lee, Nam Kyung,Kang, Sang-Kee,Choi, Seung-Hoon,Kim, Daejin,Park, Kisoo,Choi, Kihang,Choi, Yun-Jaie,Jung, Dong Hyun ESCOM ; Kluwer Academic Publishers 2012 Journal of computer-aided molecular design Vol.26 No.11

<P>Using phage display technique, we identified tissue-targeting peptide sets that recognize specific tissues (bone-marrow dendritic cell, kidney, liver, lung, spleen and visceral adipose tissue). In order to rapidly evaluate tissue-specific targeting peptides, we performed machine learning studies for predicting the tissue-specific targeting activity of peptides on the basis of peptide sequence information using four machine learning models and isolated the groups of peptides capable of mediating selective targeting to specific tissues. As a representative liver-specific targeting sequence, the peptide 'DKNLQLH' was selected by the sequence similarity analysis. This peptide has a high degree of homology with protein ligands which can interact with corresponding membrane counterparts. We anticipate that our models will be applicable to the prediction of tissue-specific targeting peptides which can recognize the endothelial markers of target tissues.</P>