An Estimation Method for the Efficiency of Light-Emitting Diode (LED) Devices

Xuehui Tao; Bin Yang; Bin Yang

An Estimation Method for the Efficiency of Light-Emitting Diode (LED) Devices

Xuehui Tao

Bin Yang

Vol. 16, No. 2, pp. 815-822, Mar. 2016

10.6113/JPE.2016.16.2.815

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Abstract

The efficiency of light-emitting diode (LED) devices is a significant factor that reflects the capability of these devices to convert electrical power into optical power. In this study, a method for estimating the efficiency of LED devices is proposed. An efficiency model and a heat power model are established as convenient tools for LED performance evaluation. Such models can aid in the design of LED drivers and in the reliability evaluation of LED devices. The proposed estimation method for the efficiency and heat power of LED devices is verified by experimentally testing two types of commercial LED devices.

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Cite this article

[IEEE Style]

X. Tao, B. Yang, B. Yang, "An Estimation Method for the Efficiency of Light-Emitting Diode (LED) Devices," Journal of Power Electronics, vol. 16, no. 2, pp. 815-822, 2016. DOI: 10.6113/JPE.2016.16.2.815.

[ACM Style]

Xuehui Tao, Bin Yang, and Bin Yang. 2016. An Estimation Method for the Efficiency of Light-Emitting Diode (LED) Devices. Journal of Power Electronics, 16, 2, (2016), 815-822. DOI: 10.6113/JPE.2016.16.2.815.