| 高分辨率AM Micro-LED显示器设计及其驱动实现 |
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| 引用本文： | 林杰泓,聂君扬,张永爱,周雄图,严群,郭太良.高分辨率AM Micro-LED显示器设计及其驱动实现[J].半导体光电,2020,41(1):68-72. |
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| 作者姓名： | 林杰泓 聂君扬 张永爱 周雄图 严群 郭太良 |
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| 作者单位： | 福州大学 物理与信息工程学院, 福州 350116,西安交通大学 电信学部, 西安 710049,福州大学 物理与信息工程学院, 福州 350116,福州大学 物理与信息工程学院, 福州 350116,福州大学 物理与信息工程学院, 福州 350116,福州大学 物理与信息工程学院, 福州 350116 |
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| 基金项目： | 国家自然科学基金项目(61775038);福建省自然科学基金项目(2017J01758,2017J01504,2019J01221). |
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| 摘 要： | 设计了一种基于蓝宝石衬底氮化镓基蓝色/绿色多量子阱LED外延片,利用成熟的LED芯片工艺制备了高像素Micro-LED芯片阵列;在Micro-LED芯片和CMOS驱动芯片表面设计并制备了金属凸点,采用高精度倒装焊接工艺实现LED显示芯片和CMOS驱动芯片的良好键合,成功制备了分辨率为640×360的Micro-LED显示器。同时,以FPGA为控制器,设计了Micro-LED显示器的驱动系统,该驱动系统对输入的图像数据进行缓存并将其处理为显示器所能接收的单色图像数据,最后将处理后的图像数据写入驱动芯片并实现图像显示。
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| 关 键 词： | Micro-LED 有源矩阵 驱动系统 FPGA 高分辨率 |
| 收稿时间： | 2019/11/23 0:00:00 |
Design and Driver Implementation of High Resolution AM Micro-LED Display |
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| LIN Jiehong,NIE Junyang,ZHANG Yongai,ZHOU Xiongtu,YAN Qun and GUO Tailiang.Design and Driver Implementation of High Resolution AM Micro-LED Display[J].Semiconductor Optoelectronics,2020,41(1):68-72. |
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| Authors: | LIN Jiehong NIE Junyang ZHANG Yongai ZHOU Xiongtu YAN Qun and GUO Tailiang |
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| Affiliation: | Institute of Physics and Information Engin., Fuzhou University, Fuzhou 350116, CHN,Faculty of Electronic and Information Engin., Xi''an Jiaotong University, Xi''an 710049, CHN,Institute of Physics and Information Engin., Fuzhou University, Fuzhou 350116, CHN,Institute of Physics and Information Engin., Fuzhou University, Fuzhou 350116, CHN,Institute of Physics and Information Engin., Fuzhou University, Fuzhou 350116, CHN and Institute of Physics and Information Engin., Fuzhou University, Fuzhou 350116, CHN |
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| Abstract: | In this paper, a high-pixel micro-LED chip array was prepared based on a blue/green multi-quantum well LED epitaxial chip based on gallium nitride on sapphire substrate by using mature LED chip technology. Metal protruding points were designed and prepared on the surface of both micro-LED chip and CMOS driver chip, and good bonding between LED display chip and CMOS driver chip was achieved by adopting high-precision inversion welding process, and micro-LED display with resolution of 640×360 was successfully prepared. At the same time, the driver system of micro-LED display was designed with FPGA as the controller. Then the driver system can cache the input image data and process it into monochromatic image data which can be received by the display, and finally writes the processed image data into the driver chip to realize the image display. |
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| Keywords: | micro-LED active matrix drive system FPGA high resolution |
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