Qijun ZHA

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
OLED pixel unit with photonic crystal array and method of producing...
- Patent number 10,332,944
- Issue date Jun 25, 2019
- BOE Technology Group Co., Ltd.
- Yanzhao Li
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OLED PIXEL UNIT, METHOD OF PRODUCING THE SAME, DISPLAY PANEL AND DI...
- Publication number 20160365392
- Publication date Dec 15, 2016
- BOE TECHNOLOGY GROUP CO., LTD.
- Yanzhao Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD AND SYSTEM FOR TESTING OLED DISPLAY DEVICE
- Publication number 20160247429
- Publication date Aug 25, 2016
- BOE TECHNOLOGY GROUP CO., LTD.
- Yanzhao LI
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS