Yumei CAI

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Xiamen, CN

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Patents Applicationslast 30 patents

Information Patent Application
LED CHIP AND LED CHIP PREPARATION METHOD
- Publication number 20240421263
- Publication date Dec 19, 2024
- XIAMEN CHANGELIGHT CO., LTD.
- Xingen WU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT-EMITTING STRUCTURE, MANUFACTURING METHOD THEREOF, AND LIGHT-E...
- Publication number 20240038938
- Publication date Feb 1, 2024
- XIAMEN CHANGELIGHT CO., LTD.
- Xiaodong QU
- H01 - BASIC ELECTRIC ELEMENTS