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  • Design of optical element combining Fresnel lens with microlens array for uniform light-emitting diode lighting
  • 来源:王丽莉研究员个人网站 2012-10-29
  • One kind of optical elements combining Fresnel lens with microlens array are designed simply for light-emitting-diode (LED) lighting based on Geometrical Optics and Non-imaging Optics. This design method imposes no restriction on the source intensity pattern. The designed element has compact construction and can produce multiple shapes of illumination distribution. Taking square lighting as an example, tolerance analysis is carried out to determine tolerance limits for applying the element in the assembly process. This element can produce on-axis lighting and off-axis lighting.
  • [来源:中国聚合物网]
  • 了解更多请进入: 王丽莉研究员个人网站
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