Long ZHEN

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Mask, device and method for exposure
- Patent number 11,086,228
- Issue date Aug 10, 2021
- BOE Technology Group Co., Ltd.
- Chunlong Yan
- G02 - OPTICS
Information Patent Grant
Display substrate, manufacturing method thereof, display device and...
- Patent number 10,921,635
- Issue date Feb 16, 2021
- ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
- Long Zhen
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
DISPLAY SUBSTRATE, MANUFACTURING METHOD THEREOF, DISPLAY DEVICE AND...
- Publication number 20190302550
- Publication date Oct 3, 2019
- Ordos Yuansheng Optoelectronics Co., Ltd.
- Long ZHEN
- G02 - OPTICS
Information Patent Application
MASK, DEVICE AND METHOD FOR EXPOSURE
- Publication number 20190179229
- Publication date Jun 13, 2019
- BOE TECHNOLOGY GROUP CO., LTD.
- Chunlong YAN
- G02 - OPTICS