Zhiqiang CHANG

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Array substrate, method for preparing the same, and display device
- Patent number 11,569,275
- Issue date Jan 31, 2023
- ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
- Guoqing Zhou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display substrate, display device, manufacturing method, and repair...
- Patent number 11,411,072
- Issue date Aug 9, 2022
- ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
- Huafeng Liu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
DISPLAY SUBSTRATE, DISPLAY DEVICE, MANUFACTURING METHOD, AND REPAIR...
- Publication number 20210376057
- Publication date Dec 2, 2021
- Ordos Yuansheng Optoelectronics Co., Ltd.
- Huafeng LIU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ARRAY SUBSTRATE, METHOD FOR PREPARING THE SAME, AND DISPLAY DEVICE
- Publication number 20210375956
- Publication date Dec 2, 2021
- Ordos Yuansheng Optoelectronics Co., Ltd.
- Guoqing ZHOU
- H01 - BASIC ELECTRIC ELEMENTS