Ziyi ZHAO

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
OLED device and preparation method therefor and display apparatus
- Patent number 10,411,217
- Issue date Sep 10, 2019
- BOE Technology Group Co., Ltd.
- Fengwei Pei
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Evaporation crucible and evaporation device
- Patent number 10,260,144
- Issue date Apr 16, 2019
- BOE Technology Group Co., Ltd.
- Fengwei Pei
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
OLED DEVICE AND PREPARATION METHOD THEREFOR AND DISPLAY APPARATUS
- Publication number 20170301880
- Publication date Oct 19, 2017
- BOE TECHNOLOGY GROUP CO., LTD.
- Fengwei PEI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EVAPORATION APPARATUS
- Publication number 20170211172
- Publication date Jul 27, 2017
- BOE TECHNOLOGY GROUP CO., LTD.
- Fengwei Pei
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
EVAPORATION CRUCIBLE AND EVAPORATION DEVICE
- Publication number 20160305010
- Publication date Oct 20, 2016
- BOE TECHNOLOGY GROUP CO., LTD.
- Fengwei PEI
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...