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Measuring light emission from LEDs

机译：测量LED的发光

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摘要

LEDs are used in many applications, and new applications are found every day. To address this market, LEDs often come in vastly different varieties, shapes, sizes, packages and modules. Measurement of these LEDs is required so that they can be compared and selected within a global market. This paper presents the different types of optical quantity that can be measured for these LEDs together with guidelines for measurement. In particular, the protocols for measuring Averaged LED Intensity, Partial LED Flux, luminance and illuminance are presented. Some of these quantities are new, and the reader may be unfamiliar with them. Definitions are provided where appropriate. Many LED measurements have associated standard measurement conditions, which apply to LEDs and not other sources. Other measurements depend critically on setup conditions but lack standardization and hence details of methods used must accompany results. Where standard conditions exist these are detailed and where they do not advice is provided on the best methodologies. Work in establishing standard conditions is on-going, especially in Commission Internationale de l'Eclairage (CIE) technical committees, and information on this work is provided.
机译：LED被用于许多应用中，并且每天都有新的应用出现。为了满足这个市场，LED通常具有非常不同的品种，形状，尺寸，封装和模块。需要对这些LED进行测量，以便可以在全球市场中进行比较和选择。本文介绍了可为这些LED进行测量的不同类型的光量以及测量准则。特别是，提出了用于测量平均LED强度，部分LED通量，亮度和照度的协议。其中一些数量是新的，读者可能不熟悉它们。适当时提供定义。许多LED测量具有关联的标准测量条件，这些条件适用于LED而非其他光源。其他测量主要取决于设置条件，但缺乏标准化，因此所用方法的详细信息必须随结果一起提供。如果存在标准条件，则会进行详细说明，如果没有标准条件，则会提供最佳方法的建议。建立标准条件的工作正在进行中，特别是在国际照明委员会（CIE）技术委员会中，并提供了有关此工作的信息。

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