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경관조명을 위한 800 W급 LED 투광등 개발

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Author(s)
정재훈 권민기 방광수 김승은 박종락 김영심 정형식
Issued Date
2019
Keyword
LED lighting Landscape lighting Projection system High power LED Full-color LED
Abstract
In this paper, an 800 W high-power, full-color LED projection lighting system was designed and fabricated for landscape lighting applications. The system has 16×16 full color RBG LED arrays and four channel microprocessors to control the color of each pixel. To collimate the light of an 800 W high-power LED projection lighting system, 395×395 mm Fresnel lens was embedded in the system housing without condenser lens. In addition, the structure of the system was designed to provide heat dissipation and waterproof functions. The lighting system could project various images consisting of dots, lines, planes, characters, and pictures at a distance of 5 and 10 m. Total luminous flux, electric power consumption, and luminous efficacy were measured to be 20692 lm, 874.8 W, and 23.7 lm/W, respectively.
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