Zhifu ZHENG

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Backlight module and display device
- Patent number 11,640,081
- Issue date May 2, 2023
- K-TRONICS (SUZHOU) TECHNOLOGY CO., LTD.
- Zhongcheng Li
- G02 - OPTICS
Information Patent Grant
Diffusion element and manufacturing method thereof, backlight modul...
- Patent number 10,488,707
- Issue date Nov 26, 2019
- BOE Technology Group Co., Ltd.
- Zhonghua Liu
- G02 - OPTICS
Information Patent Grant
Light emission assembly of backlight module, backlight module and d...
- Patent number 10,330,978
- Issue date Jun 25, 2019
- BOE Technology Group Co., Ltd.
- Zhifu Zheng
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
BACKLIGHT MODULE AND DISPLAY DEVICE
- Publication number 20220179263
- Publication date Jun 9, 2022
- K-TRONICS (SUZHOU) TECHNOLOGY CO., LTD.
- Zhongcheng LI
- G02 - OPTICS
Information Patent Application
DIFFUSION ELEMENT AND MANUFACTURING METHOD THEREOF, BACKLIGHT MODUL...
- Publication number 20190101794
- Publication date Apr 4, 2019
- BOE TECHNOLOGY GROUP CO., LTD.
- Zhonghua LIU
- G02 - OPTICS
Information Patent Application
LIGHT EMISSION ASSEMBLY OF BACKLIGHT MODULE, BACKLIGHT MODULE AND D...
- Publication number 20180252965
- Publication date Sep 6, 2018
- BOE TECHNOLOGY GROUP CO., LTD.
- Zhifu ZHENG
- G02 - OPTICS