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조성행,송성진 대한건축학회 2003 대한건축학회논문집 Vol.19 No.11
In recent years in Seoul, the number of apartment has been increasing with importance. In this study, the number of apartment units by 5 zones and 4 factors were measured, and the location quotients of them were calculated. The 5 zones of Seoul are the downtown zone, the northeastern zone, the northwestern zone, the southwestern zone, and the southeastern zone, and the 4 factors of physical properties of apartment are the year of construction, the unit size, the number of stories and the apartment development scale. Through the comparative analysis of the location quotients, the purpose of this study is to provide useful basic datum to the related studies and the distinctive supply of apartments and related facilities located in Seoul, in grasping the distinction by 5 zones and forecasting the hereafter condition of 4 factors by 5 zones.
Development of a New Hybrid Silicon Thin-Film Transistor Fabrication Process
조성행,최용모,김형준,정유광,김시율,정창오 한국정보디스플레이학회 2009 Journal of information display Vol.10 No.1
A new hybrid silicon thin-film transistor (TFT) fabrication process using the DPSS laser crystallization technique was de-veloped in this study to realize low-temperature poly-Si (LTPS) and a-Si:H TFTs on the same substrate as a backplane of the active-matrix liquid crystal flat-panel display (AMLCD). LTPS TFTs were integrated into the peripheral area of the active-matrix LCD panel for the gate driver circuit, and a-Si:H TFTs were used as a switching device of the pixel electrode in the active area. The technology was developed based on the current a-Si:H TFT fabrication process in the bottom-gate, back-channel etch-type configuration. The ion-doping and activation processes, which are required in the conventional LTPS technology, were thus not introduced, and the field effect mobility values of 4~5 cm2/V.s and 0.5 cm2/V.s for the LTPS and a-Si:H TFTs, respectively, were obtained. The application of this technology was demonstrated on the 14.1” WXGA+(1440×900) AMLCD panel, and a smaller area, lower power consumption, higher reliability, and lower photosensitivity were realized in the gate driver circuit that was fabricated in this process compared with the a-Si:H TFT gate driver integration circuit
조성행,송성진 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.1(계획계)
The purpose of this study is to provide basic datum being useful to the supply of apartments and related facilities in Seoul and studies connected with this, through the grasping special qualities about physical factors of apartments in the two areas in Seoul, comparing and analyzing the proportion of the number of house in apartment in two areas. The samples are whole apartments in Seoul, and the factors of apartment are classified by the numbers of story, and the types of floor space. And the two areas in Seoul are the areas north of the Han River and the areas south of the Han River in Seoul. In this study, the degree of disproportion about the factors of apartments in two areas in Seoul are grasped.
노후 공동주택 리모델링 활성화 시점 분석 : 서울특별시 강남구를 대상으로 Especially seoul Kang-nam district
송준호,김형준,조성행,송성진 대한건축학회 2001 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.21 No.1
The purpose of this study is to figure out an activating time of old apartments remodeling. We concluded the possibility of reconstruction and remodeling as the following standards -existing building capacity, planning building capacity, public announced land price and reconstruction allotment ratio- especially apartment complexes located in Seoul Kang-nam district. As a result, whole quantity of investigated apartment complex is 130. Within that quantities, reconstruction subject is 71 and remodeling subject is 59. Apartment complexes aging over 20-year are considered as a subject of the reconstruction or remodeling. When this result is figured as a form of graph classified by year, the remodeling subject quantity is over the reconstruction subject quantity about 2011 and this point of time is the activating time of remodeling. Because this result is figure out under the advantageous terms for reconstruction it can be earlier when considered from every given conditions.
안성덕,강승열,조성행,Ahn, S.D.,Kang, S.Y.,Cho, S.H. 한국전자통신연구원 2015 전자통신동향분석 Vol.30 No.6
최근 디스플레이 산업은 Liquid Crystal Display(LCD)산업의 성숙 및 동북아 선도업체를 중심으로 과점화 양상에 따라, 국가 간 주도권 경쟁을 위한 경쟁 치열해지고 있으며, 디스플레이 시장정체 극복 및 경쟁국 간의 기술시장의 우위를 선점하기 위하여 차세대 디스플레이 개발을 추진하고 있다. 차세대 디스플레이는 기능이 다양화 된 디스플레이, Active Matrix Organic Light Emitting Diode(AMOLED), 플렉서블 디스플레이, 투명 디스플레이와 같은 새로운 디스플레이 및 자동차 교육, 광고 의료 분야와 융합되는 신시장 창출형 융합 디스플레이로 발전하고 있다. 본고에서는 차세대 디스플레이의 최근 기술동향 및 디스플레이 국제 표준 기술동향 및 이슈를 살펴보고자 한다.
남윤용,김희옥,조성행,황치선,김태호,전상훈,박상희 한국정보디스플레이학회 2016 Journal of information display Vol.17 No.2
Described herein is the role of hydrogen in aluminum oxide (Al2O3) gate dielectrics in amorphous indium–gallium–zinc oxide (a-InGaZnO or a-IGZO) thin-film transistors (TFTs). Compared to a-IGZO TFTs with a low-temperature (150°C) Al2O3 gate dielectric, a-IGZO devices with a high-temperature (250–300°C) Al2O3 gate dielectric exhibit poor transistor characteristics, such as low mobility, a high subthreshold slope, and huge hysteresis. Through DC and short-pulsed current–voltage (I–V) measurements, it was revealed that the degradation of the transistor performance stems from the charging and discharging phenomenon at the interface traps located in the interface between the a-IGZO semiconductor and the Al2O3 gate insulator. It was found that the low-temperature Al2O3 atomic layer deposition processed film contains a higher density of hydrogen atoms compared to high-deposition-temperature films. The study results show that a high concentration of hydrogen atoms can passivate the defect sites in the interface and bulk, which produces excellent transistor characteristics. This study demonstrated that hydrogen has a beneficial effect on the defect passivation for oxide TFTs.