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휴대전화 카메라 플래시용 LED광학계 개발에 대한 연구
노명재(Noh Myeong Jae),박대선(Park Dae Sun),서정철(Seo Jung chul),현동훈(Hyun Dong Hoon) 한국생산제조학회 2010 한국공작기계학회 추계학술대회논문집 Vol.2010 No.-
We developed optical system to fix glaring and the brightness for central portion of screen in this paper. Optical system has the structure of geometric shaped Icicle. We planed optical system by OSLO program which is optical software, and simulated LED lighting using LightTool which is light software. We developed prototype of optical system by We compared real performance and the result of simulation through developing a mold and Injection Molding. This helps improve Light Uniformity of LED lighting which is this study's goal.
노명재(Myeong-Jae Noh),현동훈(Dong-Hoon Hyun),장홍순(Hong-Soon Chang),박용우(Yong-Woo Park),박찬열(Chan-Yeal Park) 한국생산제조학회 2011 한국생산제조시스템학회 학술발표대회 논문집 Vol.2011 No.4
In this paper, laser printer, laser scanning system, a core component of the unit is the study of system design. Laser scanning unit, in order to design a system, first check the first optical path and the optical path of the f-θ Lens, Cylinder Lens, Collimator Lens placed on such parts should be designed. This part of the core component of the various lens design flow in order to free surface, Aspheric, Toric, if the optical properties, such as injection molding and processing and the design should be taken into account.
노명재(Myeong-Jae Noh),박대선(Dae-Sun Park),김성용(Sung-Yong Kim),서정철(Jung-Chul Seo),현동훈(Dong-Hoon Hyun) 한국생산제조학회 2011 한국생산제조시스템학회 학술발표대회 논문집 Vol.2011 No.4
This study is a concern about glare phenomenon on indoor lighting system by using LED. A simple lens solution that we suggested, which is merged lens with 1st and 2nd lens unit. That result is given us ideal perfect light uniformity. This very simple system applies to the real market for removing light pollution.
권순필(Soon-Pil Kwon),노명재(Myeong-Jae Noh),현동훈(Dong-Hoon Hyun),김성용(Sung-Yong Kim) 한국생산제조학회 2011 한국생산제조시스템학회 학술발표대회 논문집 Vol.2011 No.4
Recently, according to the spread of intelligent vehicle and the improve of safety consciousness, the optical system is necessary to be developed for a view guarantee and danger detection. This study is drawing the optical system using two glass lens, aspherical plastic lens for the low distortion and 180° super wide angle optical system.
광효율 향상을 위한 LED 패키지 표면의 광학패턴에 관한 연구
김장윤(Jang yun Kim),이동재(Dong Jae Lee),정태봉(Tae Bong Jung),현동훈(Dong Hoon Hyun),노명재(Myeong Jae Noh) 대한기계학회 2011 대한기계학회 춘추학술대회 Vol.2011 No.10
This study’s goal is improving light efficiency by patterning on LED package. On this, optical patterns, designed and analyzed by optical simulation program. mainly pattern is pyramid pattern and the most efficiency degree was 80. Because of difficulty in manufacturing, we research about improving efficiency by various methods.