• 제목/요약/키워드: Lighting source

검색결과 380건 처리시간 0.029초

안개 발생시 도로 조명용 광원의 시인성 연구 (Study on Visibility of Road Lighting Source in Fog conditions)

  • 조문성;김영균;정관진;이정욱;김훈
    • 조명전기설비학회논문지
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    • 제21권6호
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    • pp.1-7
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    • 2007
  • 본 논문에서는 도로 조명용 광원으로 쓰이는 메탈핼라이드램프, 고압나트륨램프, PLS의 세 가지 광원에 대해 안개 발생시 시인성을 평가하기 위해 특정한 인공 안개 조건하에서 각 광원들에 대한 피시험자들의 평가를 분석하여 명소시에는 고압나트륨램프가 시인성이 좋고 암소시에는 PLS가 시인성이 좋다는 결과를 얻었으며 이 결과는 앞으로의 도로 조명용 광원의 선택에 있어서 도움을 줄 수 있을 것으로 기대된다.

LED 광원의 색온도와 조도 변화에 따른 심리반응 연구 (A Study on the Psychological Responses by the change of Illuminance and Color temperature in LED)

  • 이연수;하미경
    • 한국실내디자인학회논문집
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    • 제21권6호
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    • pp.129-136
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    • 2012
  • As the importance of eco-friendly and energy saving issues are emphasized in lighting as consciousness about energy saving is elated worldwide, demand for natural resources such as gas increases, supply of LED lighting is spread. Owing to white LED's development and price fall. It is expected to LED High Luminance Emitting Diode. LED's brightness and long life-time that surpass fluorescent light in the latest as well as is used by back light source of thin film LCD, low electric power attrition rate by advantage do and widen the market at the world lighting lamp market that is potential market. Accordingly, study about suitability of LED lighting is activated but space that apply actual LED lighting fixtures yet is less and advanced researches about LED fixtures' applied apaces are slight compared to existing light source up to now because is not many on this. The result of the experiment shows similar tendency with the existing light sources'. Through a psychological reaction experiment in the LED lighting experiencing space that can control of color temperature and lighting level, this study is wished to use to the data for lighting design of space that LED lighting fixtures are applied hereafter.

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의류매장 쇼윈도에 대한 종사자와 소비자의 의식에 관한 조사 연구 (A study on the Awareness of Employees and Consumers about the Show Window in Apparel Shops)

  • 김현지
    • 한국주거학회논문집
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    • 제5권2호
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    • pp.119-127
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    • 1994
  • This study has tried to grasp the awareness of employees in current apparel industry and common consumers about the show window in apparel shops. Interestingly, the employees were more concerned about the necessity of display and lighting than the consumers. However, the current display and lighting systems did not satisfy the consumers' requirements. Although they did not recognize that lighting display was closely related with display, color, and so on, they thought lighting indispensable. In consequnce, they light source and lighting method have to be carefully chosen, and the relationship between color and lighting should be fully considered as well.

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컴퓨터 비전용 조명 시스템 설계 코드 개발 (Development of the Lighting System Design Code for Computer Vision)

  • 안인모;이기상
    • 대한전기학회논문지:시스템및제어부문D
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    • 제51권11호
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    • pp.514-520
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    • 2002
  • n industrial computer vision systems, the image quality is dependent on the parameters such as light source, illumination method, optics, and surface properties. Most of them are related with the lighting system, which is designed in heuristic based on the designer's experimental knowledge. In this paper, a design code by which the optimal lighting method and light source for computer vision systems can be found are suggested based on experimental results. The design coed is applied to the design of the lighting system for the transistor marking inspection system, and the overall performance of the machine vision system with the lighting system show the effectiveness of the proposed design code.

면광원 램프 및 이를 이용한 조명 기기의 효율 특성 연구 (Flat Fluorescent Lamp(FFL) and Analysis of Optical Efficiency of FFL Lighting)

  • 박종리;임성규
    • 조명전기설비학회논문지
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    • 제21권7호
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    • pp.6-12
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    • 2007
  • LCD(liquid crystal display) TV용 백라이트의 광원으로서 면광원이 개발되었으며, 이를 이용한 조명 기기를 제작 및 평가하였다. 면광원은 유리성형을 통하여 채널을 형성하였으며 채널의 모양을 최적화하여 면광원을 이용한 조명 기기의 효율을 향상시킬 수 있었다. 본 논문에서는 특히 현재 주로 사용되고 있는 형광등과의 비교 평가를 통하여 조명용 면광원의 광 효율 및 조도 특성에 관한 성능을 평가하였다. 채널의 구조가 최적화된 면광원을 이용하여 제작된 32"형 조명 기기의 광 효율은 72.7[1m/W]이었다.

TV 조명용 백색 LED의 광원 특성 분석 (Analysis of Characteristics of White LED Light Source for TV Lighting)

  • 이국세;문남미
    • 방송공학회논문지
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    • 제15권4호
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    • pp.461-473
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    • 2010
  • 최근 녹색 성장과 에너지 절감 방안이 크게 대두하면서 친환경과 절전형 광원으로 평가받는 LED 조명에 대한 관심이 급증하고 있다. 특히 LED 조명의 높은 효율성과 긴 수명, 소형 박형화에 따른 조명기구의 공간 효율성, 디지털 디밍(Dimming)에 의한 다양한 연출 효과 등의 장점이 있어 방송제작 현장에서도 미래 방송조명의 광원으로 기대되고 있다. 본 논문에서는 CIE의 기준에 따른 측광 방법으로 방송용 조명의 기본적인 광원특성을 용도별, 조명기구별로 측정하였다. 이를 바탕으로 기존 방송조명과 LED 조명의 분광분포 특성 및 연색성 등에 대한 비교 분석으로 LED 조명의 활용을 위한 기초자료를 확보하였다. 한편, 그림자 투영 실험과 색 재현성 실험을 통하여 LED의 새로운 광원에 의한 TV 조명이 고품질을 요구하는 방송영상에 미치는 영향과 문제점에 대한 개선방안을 제안한다.

사용자 요구조도 만족 스마트 조명 관리시스템 (A Smart Lighting Management System with Satisfaction of User's Lighting Requirements)

  • 신대식;김훈
    • 조명전기설비학회논문지
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    • 제27권6호
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    • pp.1-8
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    • 2013
  • In this paper, we proposed a smart lighting management system controls the lighting efficiently to reduce energy consumption while satisfying user's lighting requirements. The proposed system considers the available daylight intensity and indoor light source to satisfy the lighting requirements of each user according to the work environment. In addition, for user convenience, we have developed different user interfaces for lighting control including local interface, and remote interface through internet or Bluetooth for personal computer as well as smart phones. The proposed system satisfies the lighting requirements of each user according to the corresponding work environment. The proposed smart lighting management system utilizes the lighting energy efficiently, and can be considered a significant contribution towards future green buildings.

Energy Star 기준에 따른 Omnidirectional LED 벌브의 전기적 광학적 특성 분석 (Analysis of the Electrical and Optical Properties in Omnidirectional LED Bulbs by Energy Star)

  • 김유신;배호준;김기훈;김현식;송상빈
    • 한국전기전자재료학회논문지
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    • 제25권9호
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    • pp.750-754
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    • 2012
  • An LED (light emitting diode) has the advantages of lower power consumption, energy saving, high efficiency, long lifetime, and environmental friendliness so that it has been getting the spotlight as a next-generation light source. Thus, the application range of an LED has been extended to various fields including indoor and outdoor lighting. Recently, the high efficient LED lighting has been developed, an LED has been extended its market rapidly every year and is expected to replace the general light source within near future. In this study were measured electrical and optical properties for 6 types of LED bulbs which are being developed to replace the general incandescent lamps, and were analysed under the standard of the omnidirectional lamp required by the Energy Star.

Simulation and Comparison of the Lighting Efficiency for Household Illumination with LEDs and Fluorescent Lamps

  • Sun, Wen-Shing;Tien, Chuen-Lin;Pan, Jui-Wen;Yang, Tsung-Hsun;Tsuei, Chih-Hsuan;Huang, Yi-Han
    • Journal of the Optical Society of Korea
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    • 제17권5호
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    • pp.376-383
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    • 2013
  • The design of the LEDs lighting in general household illumination was proposed and compared with the fluorescent lighting in this study. Using the LED as a light source would promote energy saving lighting for household illumination purposes. We used the LightTools and DIALux software to design and simulate different standards of illuminance, different correlated color temperatures and different color rendering indices for household environments. The power consumption and efficiency of traditional illuminated light sources and an LED light source with the same standard of illuminance for lighting the household environment were analyzed and compared with each other. Finally, our results show the advantages of using white-light LEDs for lighting and household illumination.

In-Line Manufacturing Tool Using Linear Belt Source Evaporation for Large Size Lighting OLED and Flexible OLED

  • Hwang, Chang-Hun
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2007년도 7th International Meeting on Information Display 제7권1호
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    • pp.91-94
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    • 2007
  • We introduce the inline type mass production tool for the large size lighting OLEDs and flexible OLEDs. The manufacturing tool includes the linear belt source what is new concept for the organic deposition processes and the deposition operation combines directly to the encapsulation operation in a tool. The linear belt source evaporation in deposition processes is performed during the substrate transferring to innovatively improve the productivity in manufacturing.

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