Materials Reports  2020, Vol. 34 Issue (Z2): 48-51 |
| INORGANIC MATERIALS AND CERAMIC MATRIX COMPOSITES |
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| Temperature and Current Dependence of Characteristics in GaN-based Blue LED on Metal Substrate |
| WANG Yanming, ZHOU Zhibin, LIAO Fuda, HE Peng, ZHOU Bo, MIAO Zhenlin, JI Hui
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| Xiangneng Hualei Optoelectronic Corporation, Chenzhou 423038, China |
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Abstract GaN-based light-emitting diodes (LEDs) thin films were successfully transferred from the original c-sapphire substrate to metal substrate via electroplate and laser lift-off and then the vertical structure LEDs were fabricated. Temperature and current dependence of characteristics in these LEDs were tested. The result indicated that the samples had excellent characteristics depended on temperature and current. These excellent characteristics mostly possibly attributed to the high quality crystal, excellent heat conductivity of the mental substrate and the reasonable structure of epitaxy.
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Published: 08 January 2021
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| Fund:This work was financially supported by the Science and Technology Program of Hunan Province(2016WK2063), Hunan Province Key Area Planning Project(2019GK2239). |
| About author:: Yanming Wang, obtained his master's degree Nanchang University in 2010, has been engaged in semiconductor light-emitting materials and devices in Xiangneng Hualei Optoelectronic Co., Ltd. He has successively applied for 8 patents, obtained 7 authorizations, published 6 academic papers, presided over or participated in 8 provincial and municipal projects, and participated in the textbook Devices and Technology of Light-emitting Diodes. |
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