照明工程学报

2019, v.30(06) 83-87

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均匀发光小角度配光光学系统设计
Design of Uniform Illumination Optical System with Small Angle Light Distribution

邓诗涛;刘东;杨静;景桂芬;
DENG Shitao;LIU Dong;YANG Jing;JING Guifen;Suzhou OPPLE Lighting Co., Ltd;State Key Laboratory of Modern Optical Instrumentation,Center for Integrated Optoelectronics, College of Optical Science and Engineering, Zhejiang University;

摘要(Abstract):

近年来,LED照明的设计需求已经从追求更高的光学效率,进入如何实现更加精准的配光阶段,如何为用户提供更高的照明舒适性,如何实现更加逼近自然光的照明效果。本文提出了一种光学结构,实现较大的均匀发光面,同时兼具超小角度的配光,真实模拟太阳透过窗户照射进房间的照明效果。本文基于大功率LED光源,开发了一个两片式透镜组,在较远距离接收面上实现了70 mm×70 mm均匀光斑,同时,实现±5°的超小配光角度。因为设计目标是均匀方斑,所以将该光源与透镜的系统进行阵列组合,就能实现更大范围的小角度均匀发光效果。
In recent years, the design requirements for LED lighting have shifted from the pursuit of higher optical efficiency to how to achieve a more precise light distribution stage, how to provide users with higher lighting comfort, and how to approach the natural light lighting effect. This paper proposes an optical structure that achieves a large uniform illumination surface, and at the same time has a super-small angle of light distribution, which simulates the illumination effect of the sun shining through the window into the room. Based on the high-power LED light source, this paper developed a two-piece lens group to achieve a uniform spot of 70 mm×70 mm on the receiving surface at a longer distance, and realized an ultra-small light distribution angle of ±5°. Because the design goal is a uniform square spot, the combination of the source and the lens system enables a wider range of small angle uniform illumination effects.

关键词(KeyWords): 均匀发光;照明系统;光学设计;小角度配光
uniform illumination;lighting system;optical design;small angle light distribution

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作者(Author): 邓诗涛;刘东;杨静;景桂芬;
DENG Shitao;LIU Dong;YANG Jing;JING Guifen;Suzhou OPPLE Lighting Co., Ltd;State Key Laboratory of Modern Optical Instrumentation,Center for Integrated Optoelectronics, College of Optical Science and Engineering, Zhejiang University;

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