Analysis of Die-Imaging and Yellow Hue Phenomena in LED TIR Lens

机译：LED TIR透镜的模具成像和黄色色调现象分析

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摘要

For a wide application area, LEDs are always with secondary optic elements for a specific characteristic. However, the secondary optic element has two serious phenomena, die-imaging and yellow hue. In this literature, we study the two phenomena in two parts. The first part focuses on the relationship between the die-imaging phenomenon and the imaging power of TIR lens. In this part, we design two TIR lenses, point-to-point and point-to-plane, with difference imaging power and analysis the ray paths. The second part focuses on the simulation of white LED with the two different TIR lenses to study yellow hue phenomenon. Based on the color difference in CIE (u', v') picture, we get the relationship between refractive power and color shift. Finally, we adopt the MacAdam ellipsis system to define the reasonable color gamut.

机译：对于广泛的应用领域，LED始终具有用于特定特性的辅助光学元件。然而，次级光学元件具有两种严重的现象，即模片成像和黄色调。在这篇文献中，我们分两个部分研究了这两种现象。第一部分着重于芯片成像现象与TIR透镜成像能力之间的关系。在这一部分中，我们设计两个TIR透镜，点对点和点对平面，具有不同的成像能力，并分析射线路径。第二部分着重于使用两种不同的TIR透镜模拟白光LED，以研究黄色色调现象。根据CIE（u'，v'）图片中的色差，我们得到折光力与色偏之间的关系。最后，我们采用MacAdam省略号系统来定义合理的色域。

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来源
《Nonimaging optics and efficient illumination systems V》|2008年|70590O.1-70590O.11|共11页
会议地点 San Diego CA(US)
作者
Yi-Yung Chen; I-Ju Chen; Allen Jong-Woei Whang; Liang-Tang Chen;
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作者单位

Department of Electronic Engineering of NTUST, Taiwan, R.O.C.;

Graduate Institute of Electro-Optical Engineering of NTUST, Taiwan, R.O.C.;

Department of Electronic Engineering, Graduate Institute of Electro-Optical Engineering, and Intelligent Building Research Center (IBRC) of NTUST, Taiwan, R.O.C.;

Department of Electronic Engineering of NTUST, Taiwan, R.O.C.;

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会议组织
原文格式 PDF
正文语种 eng
中图分类电气照明;
关键词
LED; secondary optics design; TIR lens; yellow hue phenomenon; die-imaging phenomenon; refractive power; imaging power; ray path; color difference; color shift; color gamut; MacAdam ellipsis;

机译：发光二极管;二次光学设计； TIR镜头；黄色色调现象模具成像现象；屈光力;成像能力射线路径色差颜色偏移；色域麦克亚当省略号;

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Analysis of Die-Imaging and Yellow Hue Phenomena in LED TIR Lens

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