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Fengzhen LYU

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  • Beijing, CN
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Display Substrate and Display Device
    • Publication number 20230213830
    • Publication date Jul 6, 2023
    • HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO, LTD.
    • Ruifang Du
    • G02 - OPTICS
  • Information Patent Application

    DISPLAY SUBSTRATE AND DISPLAY DEVICE
    • Publication number 20210011316
    • Publication date Jan 14, 2021
    • HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    • Ruifang DU
    • G02 - OPTICS