Influencing of various phosphor parameters on the LED performance

Yi Ping Wu; Shu Qin Zhang; Shang-zhong Jin; Chang Shou Shi; Liang Li; RenYong Yu

doi:10.1117/12.973741

15 October 2012 Influencing of various phosphor parameters on the LED performance

Yi Ping Wu, Shu Qin Zhang, Shang-zhong Jin, Chang Shou Shi, Liang Li, RenYong Yu

Proceedings Volume 8419, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Sensing, Imaging, and Solar Energy; 84193H (2012) https://doi.org/10.1117/12.973741
Event: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2012), 2012, Xiamen, China

Abstract

In this paper ,the advantages and disadvantages of the methods to achieve White LED are reviewed, and phosphor-converted white LEDs are discussed in detail. In the case of blue chip exciting YAG phosphor to get white LED, use Mie scattering theory to construct physical model, then analyze how the package, concentration, thickness and particle size of phosphor work on extraction efficiency, spatial Chroma uniformity and color temperature of white LED. The conclusion of this paper advances the application of LED solid-state light source. In the end, the paper puts forward the direction and focus of phosphor research.

Citation Download Citation

Yi Ping Wu, Shu Qin Zhang, Shang-zhong Jin, Chang Shou Shi, Liang Li, and RenYong Yu "Influencing of various phosphor parameters on the LED performance", Proc. SPIE 8419, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Sensing, Imaging, and Solar Energy, 84193H (15 October 2012); https://doi.org/10.1117/12.973741

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KEYWORDS

Light emitting diodes

Particles

Light scattering

Mie scattering

Packaging

Scattering

Refractive index

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