A Case Study on the Nighttime Landscape Lighting of Architectural, Road, and Park

다국어 초록 (Multilingual Abstract)

(Background and Purpose) This study was motivated by the evolving trends in lighting technology, societal changes, and urban conditions, leading to variations in research, development, and installation trends in nighttime landscape lighting in South Korea. This study aims to identify the factors and technologies influencing nighttime landscape lighting, analyze current issues, and explore potential improvements. (Method) As a research method, a preliminary study was conducted on the nighttime landscape lighting of buildings, roads, and parks, including a review of prior research (papers published after 2012) and an analysis of application cases (domestic projects and technologies related to nighttime landscape lighting established within the last 5 years). (Results) The factors influencing nighttime landscape lighting, derived from the preliminary study survey and case analysis, are as follows: ① Light Pollution Prevention: Use of Full Cut-off or Cut-off lighting fixtures, prevention of light leakage outside the illumination area, avoidance of direct glare, flickering lights, and color changes, and minimizing the impact of direct or indirect light on neighboring buildings. ② Crime prevention and safety: Ensuring brightness and uniformity, differentiated lighting for entrances and exits, and installing lighting on floors and railings. ③ Energy conservation: Utilizing high-efficiency lighting fixtures, renewable energy sources, and LED lighting, and establishing lighting operation plans. ④ Harmonization of urban landscapes day and night: Minimizing the exposure of lighting fixtures, avoiding colors conflicting with the original colors of buildings, and excessive lighting effects. ⑤ Integration of ICT and IoT technologies: Incorporating CCTV and sensors for lighting control, collecting environmental information, information-based lighting control, real-time monitoring, fault detection, and usage tracking. ⑥ Specialization of nighttime landscapes: Using string lights, light tunnels, high-bay lighting, fiber optic lighting, lighting for sculptures, etc., and designing lighting that reflects storytelling and regional characteristics, providing lighting content, and employing media facades and media art. (Conclusions) The integration of IoT and ICT technologies in nighttime landscape lighting allows for automated control of lighting environments (brightness, color, etc.) based on factors like human movement detection, road conditions, external light levels, weather, and fine dust information. Additionally, the application of Media Facades technology is expanding, transforming into local landmarks and nighttime tourist attractions. Future research and technological developments and improvements are needed in areas such as "Media Facade design to reduce light pollution," "Energy-saving strategies for landscape lighting considering harmony with the surroundings, safety, light pollution prevention, and visual and psychological comfort while actively utilizing renewable energy," "Strategies for widespread adoption of smart streetlights," "Considering appropriate brightness, lighting controls, lighting methods, and installation locations to prevent glare," and "Lighting design and content delivery to enhance the identity and distinctiveness of the area."

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