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

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

doi:10.1149/2.005205ssl

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

Ray-Hua Horng, Kun Ching Shen, Yu Wei Kuo, Dong Sing Wuu

Institute of Electronics

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

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
Journal	ECS Solid State Letters
Volume	1
Issue number	5
DOIs	https://doi.org/10.1149/2.005205ssl
State	Published - 1 Dec 2012

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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 Kuo, {Yu Wei} and Wuu, {Dong Sing}",

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AU - Shen, Kun Ching

AU - Kuo, Yu Wei

AU - Wuu, Dong Sing

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Y1 - 2012/12/1

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.

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

Abstract

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