Jeong-Jin Kang, Keehong Um, SooyeupYoo, Yong-Soon Im, Jong-Jin Park, Eunyoung Kang, Dong-hun Lee
언어
영어(ENG)
URL
https://www.earticle.net/Article/A207709
※ 원문제공기관과의 협약기간이 종료되어 열람이 제한될 수 있습니다.
원문정보
초록
영어
White is the color the human eye realizes when it looks at light containing all the wavelengths of the visible spectrum. In this paper, we propose an LED system to realize the white light by combining multiple LEDs used in emitting spectra of multiple colors to improve color renderings. When a light-emitting diode is switched on, electrons recombine with holes within the device, releasing energy in the form of photons. This effect is called electroluminescence and the color of the light (corresponding to the energy of the photon) is determined by the energy band gap of the semiconductor. The color of an LED is determined by the semiconductor material. The proposed system is composed of voltage generator, LED emitter, and LED luminaire. The sensor for detecting the color is well adopted in order to detect the light colors received from the LED emitter, with steady-current controller designed using operational amplifier and transistor. We took advantage of steady-current through the LED emitter in order that several forms of light composed of different wavelengths or frequencies could be adopted producing white color of all frequencies.
목차
Abstract 1. Introduction 2. Color Rendering Index (CRI) 3. Technical Solution 4. System of Operational Amplifier and Transistors 5. System of Delta-sigma Converter 6. Conclusions References
키워드
Visible lightLED luminaireColor rendering index (CRI)LED emitterDelta-sigma converter
저자
Jeong-Jin Kang [ Department of Information and Communication, Dong Seoul University ]
Keehong Um [ Department of Information Technology, Hansei University ]
Corresponding author
SooyeupYoo [ R&D Center, Amotech Company ]
Yong-Soon Im [ Department of Broadcasting, Kookje University ]
Jong-Jin Park [ Dept. of Internet Chungwoon University ]
Eunyoung Kang [ Department of Information and Communication Engineering, Dongyang Mirae University ]
보안공학연구지원센터(IJCA) [Science & Engineering Research Support Center, Republic of Korea(IJCA)]
설립연도
2006
분야
공학>컴퓨터학
소개
1. 보안공학에 대한 각종 조사 및 연구
2. 보안공학에 대한 응용기술 연구 및 발표
3. 보안공학에 관한 각종 학술 발표회 및 전시회 개최
4. 보안공학 기술의 상호 협조 및 정보교환
5. 보안공학에 관한 표준화 사업 및 규격의 제정
6. 보안공학에 관한 산학연 협동의 증진
7. 국제적 학술 교류 및 기술 협력
8. 보안공학에 관한 논문지 발간
9. 기타 본 회 목적 달성에 필요한 사업
간행물
간행물명
International Journal of Control and Automation
간기
월간
pISSN
2005-4297
수록기간
2008~2016
십진분류
KDC 505DDC 605
이 권호 내 다른 논문 / International Journal of Control and Automation Vol.6 No.4