Output Properties of Transparent Submount Packaged FlipChip Light-Emitting Diode Modules

Flip chip technology has been widely adopted in modern power light-emitting diode (LED) fabrications and its output efficiency is closely related to the submount material properties. Here, we present the electrical, optical and thermal properties of flip chip light-emitting diodes mounted on transpa...

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Main Authors: Preetpal Singh, Der-Hwa Yeh, Cher-Ming Tan, Chao-Sung Lai, Chih-Teng Hou, Ting-Yu Chao, Liann-Be Chang
Format: Article
Language:English
Published: MDPI AG 2016-06-01
Series:Applied Sciences
Subjects:
Online Access:http://www.mdpi.com/2076-3417/6/6/179
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author Preetpal Singh
Der-Hwa Yeh
Cher-Ming Tan
Chao-Sung Lai
Chih-Teng Hou
Ting-Yu Chao
Liann-Be Chang
author_facet Preetpal Singh
Der-Hwa Yeh
Cher-Ming Tan
Chao-Sung Lai
Chih-Teng Hou
Ting-Yu Chao
Liann-Be Chang
author_sort Preetpal Singh
collection DOAJ
description Flip chip technology has been widely adopted in modern power light-emitting diode (LED) fabrications and its output efficiency is closely related to the submount material properties. Here, we present the electrical, optical and thermal properties of flip chip light-emitting diodes mounted on transparent sapphire and borosilicate glass which have shown a higher output luminous flux when compared to the traditional non-transparent mounted LEDs. Exhibiting both better thermal conductivity and good optical transparency, flip chip LEDs with a sapphire submount showed superior performance when compared to the non-transparent silicon submount ones, and also showed better optical performance than the flip chip LEDs mounted on transparent but poor-thermal-conducting glass substrates. The correspondent analysis was carried out using ANSYS 14 to compare the experimental thermal imaging with the simulation results. TracePro software was also used to check the output luminous flux dependency on different LED mounting designs.
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spelling doaj.art-c865d87fc7b3402082088ceb432db6ee2022-12-22T00:55:02ZengMDPI AGApplied Sciences2076-34172016-06-016617910.3390/app6060179app6060179Output Properties of Transparent Submount Packaged FlipChip Light-Emitting Diode ModulesPreetpal Singh0Der-Hwa Yeh1Cher-Ming Tan2Chao-Sung Lai3Chih-Teng Hou4Ting-Yu Chao5Liann-Be Chang6Department of Electronic Engineering, Chang Gung University, Kweishan, Taoyuan 333, TaiwanDepartment of Electronic Engineering, Chang Gung University, Kweishan, Taoyuan 333, TaiwanDepartment of Electronic Engineering, Chang Gung University, Kweishan, Taoyuan 333, TaiwanDepartment of Electronic Engineering, Chang Gung University, Kweishan, Taoyuan 333, TaiwanDepartment of Electronic Engineering, Chang Gung University, Kweishan, Taoyuan 333, TaiwanDepartment of Electronic Engineering, Chang Gung University, Kweishan, Taoyuan 333, TaiwanDepartment of Electronic Engineering, Chang Gung University, Kweishan, Taoyuan 333, TaiwanFlip chip technology has been widely adopted in modern power light-emitting diode (LED) fabrications and its output efficiency is closely related to the submount material properties. Here, we present the electrical, optical and thermal properties of flip chip light-emitting diodes mounted on transparent sapphire and borosilicate glass which have shown a higher output luminous flux when compared to the traditional non-transparent mounted LEDs. Exhibiting both better thermal conductivity and good optical transparency, flip chip LEDs with a sapphire submount showed superior performance when compared to the non-transparent silicon submount ones, and also showed better optical performance than the flip chip LEDs mounted on transparent but poor-thermal-conducting glass substrates. The correspondent analysis was carried out using ANSYS 14 to compare the experimental thermal imaging with the simulation results. TracePro software was also used to check the output luminous flux dependency on different LED mounting designs.http://www.mdpi.com/2076-3417/6/6/179flip chiplight emitting diodetransparent submountlight extraction
spellingShingle Preetpal Singh
Der-Hwa Yeh
Cher-Ming Tan
Chao-Sung Lai
Chih-Teng Hou
Ting-Yu Chao
Liann-Be Chang
Output Properties of Transparent Submount Packaged FlipChip Light-Emitting Diode Modules
Applied Sciences
flip chip
light emitting diode
transparent submount
light extraction
title Output Properties of Transparent Submount Packaged FlipChip Light-Emitting Diode Modules
title_full Output Properties of Transparent Submount Packaged FlipChip Light-Emitting Diode Modules
title_fullStr Output Properties of Transparent Submount Packaged FlipChip Light-Emitting Diode Modules
title_full_unstemmed Output Properties of Transparent Submount Packaged FlipChip Light-Emitting Diode Modules
title_short Output Properties of Transparent Submount Packaged FlipChip Light-Emitting Diode Modules
title_sort output properties of transparent submount packaged flipchip light emitting diode modules
topic flip chip
light emitting diode
transparent submount
light extraction
url http://www.mdpi.com/2076-3417/6/6/179
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