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Liuhuan CAI

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  • Beijing, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
    • Publication number 20240415005
    • Publication date Dec 12, 2024
    • BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    • Ming Sang
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT DEVICE
    • Publication number 20240317787
    • Publication date Sep 26, 2024
    • BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    • Liuhuan Cai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT DEVICE
    • Publication number 20240251654
    • Publication date Jul 25, 2024
    • BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    • Ming Sang
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    ORGANIC ELECTROLUMINESCENT DEVICE
    • Publication number 20230217823
    • Publication date Jul 6, 2023
    • BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    • Xuechao TIAN
    • H01 - BASIC ELECTRIC ELEMENTS