Effects of cell distance on the performance of GaN high-voltage light emitting diodes

Ray-Hua Horng; Kun Ching Shen; Jia Hua Lin; Yu Wei Kuo; Dong Sing Wuu

doi:10.1149/1.3701520

Effects of cell distance on the performance of GaN high-voltage light emitting diodes

Ray-Hua Horng^*, Kun Ching Shen, Jia Hua Lin, Yu Wei Kuo, Dong Sing Wuu

^*Corresponding author for this work

Institute of Electronics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The effect of spacing among cell LEDs in high voltage (HV) LEDs performance was investigated in this study. Four kinds of HV LEDs with different spacing are presented. From the results of LEDs output power and luminance intensity distribution, the spacing certainly influences the light extraction of LEDs. The 110% enhanced output power and 10% increased Wall-plug efficiency HV LED was demonstrated with using 80 μm spacing in compared with 20 μm due to the suppression of light absorbed by neighbor cell LEDs.

Original language	English
Title of host publication	Wide-Bandgap Semiconductor Materials and Devices 13
Pages	11-15
Number of pages	5
Edition	7
DOIs	https://doi.org/10.1149/1.3701520
State	Published - 19 Nov 2012
Event	13th Symposium on Wide Bandgap Semiconductor Materials and Devices - 221st ECS Meeting - Seattle, WA, United States Duration: 6 May 2012 → 10 May 2012

Publication series

Name	ECS Transactions
Number	7
Volume	45
ISSN (Print)	1938-5862
ISSN (Electronic)	1938-6737

Conference

Conference	13th Symposium on Wide Bandgap Semiconductor Materials and Devices - 221st ECS Meeting
Country	United States
City	Seattle, WA
Period	6/05/12 → 10/05/12

Access to Document

10.1149/1.3701520

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Horng, R-H., Shen, K. C., Lin, J. H., Kuo, Y. W., & Wuu, D. S. (2012). Effects of cell distance on the performance of GaN high-voltage light emitting diodes. In Wide-Bandgap Semiconductor Materials and Devices 13 (7 ed., pp. 11-15). (ECS Transactions; Vol. 45, No. 7). https://doi.org/10.1149/1.3701520

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title = "Effects of cell distance on the performance of GaN high-voltage light emitting diodes",

abstract = "The effect of spacing among cell LEDs in high voltage (HV) LEDs performance was investigated in this study. Four kinds of HV LEDs with different spacing are presented. From the results of LEDs output power and luminance intensity distribution, the spacing certainly influences the light extraction of LEDs. The 110% enhanced output power and 10% increased Wall-plug efficiency HV LED was demonstrated with using 80 μm spacing in compared with 20 μm due to the suppression of light absorbed by neighbor cell LEDs.",

author = "Ray-Hua Horng and Shen, {Kun Ching} and Lin, {Jia Hua} and Kuo, {Yu Wei} and Wuu, {Dong Sing}",

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Horng, R-H, Shen, KC, Lin, JH, Kuo, YW & Wuu, DS 2012, Effects of cell distance on the performance of GaN high-voltage light emitting diodes. in Wide-Bandgap Semiconductor Materials and Devices 13. 7 edn, ECS Transactions, no. 7, vol. 45, pp. 11-15, 13th Symposium on Wide Bandgap Semiconductor Materials and Devices - 221st ECS Meeting, Seattle, WA, United States, 6/05/12. https://doi.org/10.1149/1.3701520

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AU - Horng, Ray-Hua

AU - Shen, Kun Ching

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AU - Kuo, Yu Wei

AU - Wuu, Dong Sing

PY - 2012/11/19

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N2 - The effect of spacing among cell LEDs in high voltage (HV) LEDs performance was investigated in this study. Four kinds of HV LEDs with different spacing are presented. From the results of LEDs output power and luminance intensity distribution, the spacing certainly influences the light extraction of LEDs. The 110% enhanced output power and 10% increased Wall-plug efficiency HV LED was demonstrated with using 80 μm spacing in compared with 20 μm due to the suppression of light absorbed by neighbor cell LEDs.

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