NDLI: Luminous efficiency enhancement of white light-emitting diodes by using a hybrid phosphor structure

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Luminous efficiency enhancement of white light-emitting diodes by using a hybrid phosphor structure

Content Provider	Semantic Scholar
Author	Lin, Bing-Cheng Huang, Jhih-Kai Chen, K. J. Chiu, Sheng-Huan Tu, Zong-Yi Lin, Chien-Chung Lee, Po-Tsung Shih, Min-Hsiung Wang, Mei-Tan Hwang, Jung-Min Kuo, Hao-Chung
Copyright Year	2015
Abstract	Abstract. This paper presents a “hybrid” structure for the coating of yellow YAG∶Ce3+ phosphor on blue GaN-based light-emitting diodes (LEDs). The luminous efficiency of the hybrid phosphor structure improved by 5.9% and 11.7%, compared with the conventional remote and conformal phosphor structures, respectively, because of the increased intensity of the yellow component. The hybrid structure also has an advantage in the phosphor usage reduction for the LEDs. Furthermore, the electric intensity of the hybrid phosphor structure was calculated for various thicknesses by conducting TFCalc32 simulation, and the enhanced utilization of blue rays was verified. Finally, the experimental results were consistent with the simulation results performed using the Monte-Carlo method.
File Format	PDF HTM / HTML
DOI	10.1117/1.JPE.5.057603
Volume Number	5
Alternate Webpage(s)	https://ir.nctu.edu.tw/bitstream/11536/124570/1/876d46eb6bd84dca73b8f6e19519f1b3.pdf
Alternate Webpage(s)	http://www.ieo.nctu.edu.tw/sclab/2015/Luminous%20efficiency%20enhancement%20of%20white%20light-emitting%20diodes%20by%20using%20a%20hybrid%20phosphor%20structure.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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