Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)
- 2005.07c
- /
- Pages.2196-2198
- /
- 2005
Design of an optical lens for an automotive reading lamp with a high power LED
고출력 LED를 이용한 자동차용 독서등 광학렌즈 설계
- Kong, Hwa-Tae (Chonnam National University) ;
- Choi, Yong-Hun (Kumho HT Autonix Corp) ;
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Song, Sang-Bin
(KOPTI)
;
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Yeo, In-Seon
(Chonnam National University, HECS-RRC PORTI)
- Published : 2005.07.18
Abstract
The luminous intensity distribution of a 1W high-power LED with a wide view angle should be concentrated to be used as a light source for an automotive reading lamp. In this paper, an optical lens made of PMMA is simulated by using an optical design software for that purpose. As the result, with the help of the devised lens, the reading light gives over 80 lx at the center of a target surface of radius of 0.2m located below 0.5m from the lamp, and a minimum of 20 lx at the perimeter of the target surface. Thus, a 1W high-power LED with an appropriate lens would suffice for an automotive reading lamp.
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