Cheng GU

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Light guide plate and display device
- Patent number 10,605,973
- Issue date Mar 31, 2020
- BOE Technology Group Co., Ltd.
- Genchuan Yan
- G02 - OPTICS
Information Patent Grant
Color filter substrate, fabricating method of color filter substrat...
- Patent number 9,990,068
- Issue date Jun 5, 2018
- BOE Technology Group Co., Ltd.
- Qichao Chen
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT GUIDE PLATE AND DISPLAY DEVICE
- Publication number 20190302338
- Publication date Oct 3, 2019
- BOE TECHNOLOGY GROUP CO., LTD.
- Genchuan Yan
- G02 - OPTICS
Information Patent Application
Color Filter Substrate, Fabricating Method of Color Filter Substrat...
- Publication number 20170060309
- Publication date Mar 2, 2017
- BOE TECHNOLOGY GROUP CO., LTD.
- Qichao CHEN
- G02 - OPTICS