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首页> 外文期刊>IEEE Transactions on Industrial Electronics >Dynamic Prediction of Correlated Color Temperature and Color Rendering Index of Phosphor-Coated White Light-Emitting Diodes
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Dynamic Prediction of Correlated Color Temperature and Color Rendering Index of Phosphor-Coated White Light-Emitting Diodes

机译:磷涂层白光发光二极管相关色温和显色指数的动态预测

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摘要

Light-emitting diode (LED) technology is a multidisciplinary subject that involves photometry, electric power, heat, and chromaticity which are interdependent on one another. So far, the photoelectrothermal (PET) theory has linked up the first three aspects. This research includes chromaticity into the dynamic PET theory so that even the correlated color temperature (CCT) and color rendering index (CRI) of phosphor-coated white LEDs can be dynamically predicted, thus overcoming the low bandwidth problem of some light measurement equipment. This dynamic modeling of CCT and CRI has been verified with favorable agreements between theoretical predictions and measurements of several LED samples. The outcome of this project offers a new research and development tool for practicing LED system designers to predict the instantaneous variations of CCT and CRI when the power varies in a LED system.
机译:发光二极管(LED)技术是一个多学科的学科,涉及相互依赖的光度法,电功率,热量和色度。到目前为止,光电热(PET)理论已将前三个方面联系在一起。这项研究将色度纳入动态PET理论中,从而甚至可以动态预测涂有荧光粉的白色LED的相关色温(CCT)和显色指数(CRI),从而克服了某些测光设备的低带宽问题。 CCT和CRI的这种动态建模已经在理论预测和几个LED样品的测量值之间取得有利协议的情况下得到了验证。该项目的成果提供了一种新的研发工具,供实践中的LED系统设计人员预测LED系统中功率变化时CCT和CRI的瞬时变化。

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