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99 巻, 6 号
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笹川 平久原稿種別: 本文
2015 年 99 巻 6 号 p. 290-292
発行日: 2015/06/01
公開日: 2019/04/17
ジャーナル フリーRecently. LED often is used as a source of illumination system. Two big changes occurred to optical analysis tool by the popularization of LED. I describe progress of optical analysis technology and shape design capability in optics analysis tool.抄録全体を表示PDF形式でダウンロード (11698K) -
中野 貴之, 関井 広行, 村上 忠史, 堀内 誠原稿種別: 本文
2015 年 99 巻 6 号 p. 293-296
発行日: 2015/06/01
公開日: 2019/04/17
ジャーナル フリーQuarter century has passed since LED light source was put to practical use in lighting applications, and it is now used in almost all of the lighting equipment. Paradigm shift of the light source has a major impact to the optical system such as lens and reflector. In this feature article, we described the transition of the optical system by change of the light source.抄録全体を表示PDF形式でダウンロード (15448K) -
小川 光三, 久安 武志, 寺崎 光原稿種別: 本文
2015 年 99 巻 6 号 p. 297-300
発行日: 2015/06/01
公開日: 2019/04/17
ジャーナル フリーThe Mini krypton-shaped LED lamp has been developed for the purpose of expansion of a use scene and relevance ratio improvement to existence apparatus by higher output, downsizing, and an expanse of light distribution. The optical designs for the improvement of the expanse of light distribution in the Mini krypton-shaped LED lamp are introduced.抄録全体を表示PDF形式でダウンロード (13396K) -
竹之内 光彦, 古川 一茂原稿種別: 本文
2015 年 99 巻 6 号 p. 301-304
発行日: 2015/06/01
公開日: 2019/04/17
ジャーナル フリーIn late years LED came to be adopted as a lamp for the tunnel lighting normally. LED has high efficiency, and life is long, the LED can reduce electricity of the tunnel lighting and can reduce the lamp exchange work, too. Because the LED is easy to control the light, the evolution of the optical system of the tunnel lighting is remarkable. This report introduces the evolution of the optical system in the tunnel lighting including a concrete example.抄録全体を表示PDF形式でダウンロード (15282K) -
石田 裕之, 小松 元弘原稿種別: 本文
2015 年 99 巻 6 号 p. 305-309
発行日: 2015/06/01
公開日: 2019/04/17
ジャーナル フリーSince the first LED headlamp appeared in 2007, White LED technology has made rapid progress and is becoming the mainstream of the headlamp light source. White LEDs as compared with conventional light sources have a number of different features, such as small size, hemispherical radiation, not containing infrared, rapid start, etc. Due to these features, LED headlamps have realized completely new style, excellent light distribution and innovative lighting functions. We give an outline of LED headlamp system that mainly focuses on optical system.抄録全体を表示PDF形式でダウンロード (20862K)
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