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Chip Scale Package 기술을 이용한 곡면형상의 광원 모듈에 대한 연구
이한명(Han Myung Lee),김진홍(Jin Hong Kim) 한국조명·전기설비학회 2017 조명·전기설비학회논문지 Vol.31 No.2
LED light source technology has improved every time it encounters its limitations. LED light source technology has improved every time it encounters its limitations. Among them, there is technology related with manufacturing costs, which is Chip scale package light source. This technology improves the package process by eliminating the lead frame. In this paper, this chip package technology was appliedy to the module. Silicon was used to enhance the physical protection characteristics of the applied modules. This protection technology was applied to a flexible pcb, and a flexible pcb was used to realize curvature formation. The measurement jig was fabricated to investigate the silicon failure characteristics after curvature formation, and the reliability of the curvature characteristics was verified using this jig. The conditions of the module for implementing the curvature formation should use silicon with sufficient hardness.
이한명(Lee Han-Myoung),오민석(Oh Min-Suk),김회서(Kim Hway-Suh) 한국태양에너지학회 2009 한국태양에너지학회 논문집 Vol.29 No.6
This research is an experimental study on BIPV Power performance of See-through a-si and Light-through applying external curtain wall. In case of See-through a-si Photovoltaic, appropriateness of facade applying standard(950 × 980㎜) large(950 × 1960㎜)area photovoltaic was examined. Transparent performance was also investigated through Power simulation according to angles and seasons of See-through a-si and Light-through Photovoltaic so that Power output was surveyed with using designed and manufactured Mock-up. When comparing See-through a-si to Light-through Photovoltaic for simulation Power output on angles based on full south aspect, which the result was that See-through a-si Power output according to Light-through Power output was the highest of 65.5% when applying a 90 degree angle. Monthly accumulated average Power output during winter seasons (December, January and February) applying a vertical plane on full south aspect was analyzed, which results in 66.37W/h of See-through a-si and 139.1W/h of Light-through. See-through a-si Power output showed 47.7% in comparison with Light-through transparent. Also monthly, hourly average Power efficiency according to solar radiation during winter seasons (December, January and February) was that 4.7% of See-Through a-si and 9.8% of Light-through.
투광형 비정질 BIPV 시스템의 LCC 평가에 관한 연구
이한명(Lee Han-Myoung),오민석(Oh Min-Seok),김회서(Kim Hway-Suh) 한국태양에너지학회 2009 한국태양에너지학회 논문집 Vol.29 No.1
This study was carried out to evaluate the Life Cycle Cost(LCC) of three types of BIPV(Building Integrated Photovoltaic) systems - Glass plus Grannite, Crystalline BIPV and See through Amorphous BIPV - which were vertically installed to generate the same power output(76 kW level). Initial investment costs, cost savings and maintenance costs had been predicted during the period of analysing the LCC of three types of BIPV(Building Integrated Photovoltaic) systems installed for the purpose of evaluating the LCC. In case of cost savings, it had been analyzed by measuring the amount of electric power generated, reduction in lighting load and heat & cooling loads through simulation. From this analysis, it was predicted that the See-through amorphous BIPV offering cost saving advantages demonstrated the economical efficiency similar to the Glass plus Granite when it is backed by more than 20 years of durability.