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강승민(SeungMin Kang),박병규(ByungGyu Park),이성우(SungWoo Lee),안익현(IkHyeon Ahn),조민규(MinGyu Jo),최명현(MyeongHeon Choe),강태원(TaeWon Kang) 한국정보기술학회 2020 Proceedings of KIIT Conference Vol.2020 No.10
코로나(Covid-19)로 의심되는 증상에 대한 서술을 수집하여 양성 서술과 음성 서술로 구분한다. 이렇게 구분한 데이터에 대해 각 서술에 단어가 출현하는 빈도를 계산하여 베이즈 분류기를 만든다. 이렇게 생성한 분류기로 새로운 증상에 대한 서술을 분류하여 환자의 감염 여부를 판단한다. 실험 결과 학습 데이터의 89%, 검증데이터의 52%를 분류할 수 있었다. Descriptions of symptoms suspected of coronavirus (Covid-19) are collected and classified into positive and negative statements. For the separated data, the Bayesian classifier is created by calculating the frequency of occurrence of words in each description. With the classifier created in this way, the description of the new symptom is classified to determine whether the patient is infected. As a result of the experiment, 89% of the learning data and 52% of the verification data could be classified.
고이동도 산화물 반도체 박막 트랜지스터 구현을 위한 구동전류 향상
장경수,김태용,강승민,이소진,이윤정,이준신,Jang, Kyungsoo,Raja, Jayapal,Kim, Taeyong,Kang, Seungmin,Lee, Sojin,Nguyen, Thi Cam Phu,Than, Thuy Trinh,Lee, Youn-Jung,Yi, Junsin 한국전기전자재료학회 2015 전기전자재료학회논문지 Vol.28 No.6
Next-generation displays should be transparent and flexible as well as having high resolution and frame number. The main factor for active matrix organic light emitting diode and next-generation displays is the development of TFTs (thin-film transistors) with high mobility and large area uniformity. The TFTs used for transparent displays are mainly oxide TFT that has oxide semiconductor as channel layer. Zinc-oxide based substances such as indium-gallium-zinc-oxide has attracted attention in the display industry. In this paper, the mobility improvement of low cost oxide TFT is studied for fast operating next-generation displays by overcoming disadvantages of amorphous silicon TFT that has low mobility and poly silicon TFT that requires expensive equipment for complex process and doping process.
산화물 반도체의 다양한 처리를 통한 박막트랜지스터의 전기적 특성 향상
김태용,장경수,이소진,강승민,이윤정,이준신,Kim, Taeyong,Jang, Kyungsoo,Raja, Jayapal,Phu, Nguyen Thi Cam,Lee, Sojin,Kang, Seungmin,Trinh, Than Thuy,Lee, Youn-Jung,Yi, Junsin 한국전기전자재료학회 2016 전기전자재료학회논문지 Vol.29 No.1
The ultimate aims of display market is transparent or flexible. Researches have been carried out for various applications. It has been possible to reduced the process steps and get good electrical properties for semiconductors with large optical bandgaps. Oxide semiconductors have been established as one of the leading and promising technology for next generation display panels. In this paper, alternative treatment processes have been tried for oxide semiconductors of thin film transistors to increase the electrical properties of the thin film transistors and to investigate the mechanisms. There exist a various oxide semiconductors. Here, we focused on InGaZnO, ZnO and InSnZnO which are commercialized or researched actively.