Impact of the Phosphors on the Conformal Coating LED by Optical Simulation

Yu Bing Gong; Ruan Ji Tian

doi:10.4028/www.scientific.net/AMR.834-836.1167

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 834-836Impact of the Phosphors on the Conformal Coating...

Impact of the Phosphors on the Conformal Coating LED by Optical Simulation

Abstract:

The conformal coating phosphor converted light emitting diode (LED) is one of the important high power white LED. The thickness, concentration and concentration distribution of the phosphor layer has a critical influence on the LED optical performance. Previous literature mainly focus on the luminous flux of the LED. Few are involved with the relationship between the concentration and the correlated color temperature (CCT), and angular color uniformity (ACU) of LED. Based on the ray-tracing simulation, the luminous flux, CCT and ACU affected by the phosphor thickness, concentration and concentration distribution were obtained and studied. The results provide effective references for the phosphor coating process design and optical performance analysis of conformal coating LED.

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Periodical:

Advanced Materials Research (Volumes 834-836)

Pages:

1167-1171

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.834-836.1167

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Online since:

October 2013

Authors:

Yu Bing Gong*, Ruan Ji Tian

Keywords:

Conformal Coating, Light Emitting Diode (LED), Monte Carlo Simulation, Phosphor

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