Qianqian Yu

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Langfang City, Hebei, CN

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Patents Grantslast 30 patents

Information Patent Grant
Highly stable organic light-emitting panel
- Patent number 11,195,903
- Issue date Dec 7, 2021
- Gu'an Yeolight Technology Co., Ltd
- Yu Lee
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
OLED Lamp Panel and Lighting Device
- Publication number 20240159370
- Publication date May 16, 2024
- GU'AN YEOLIGHT TECHNOLOGY CO., LTD.
- Tianxing LU
- F21 - LIGHTING
Information Patent Application
HIGHLY STABLE ORGANIC LIGHT-EMITTING PANEL
- Publication number 20200286962
- Publication date Sep 10, 2020
- Gu'an Yeolight Technology Co., Ltd
- Yu Lee
- F21 - LIGHTING