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Qingfeng Zhu
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Beijing, CN
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Patents Grants
last 30 patents
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Patent Grant
Method for out-coupling grating for AR optical waveguide, and desig...
Patent number
11,899,203
Issue date
Feb 13, 2024
JIAXING UPHOTON OPTOELECTRONICS TECHNOLOGY CO., LTD.
Xingming Zhao
G02 - OPTICS
Information
Patent Grant
Diffractive optical waveguide and display device
Patent number
11,874,503
Issue date
Jan 16, 2024
Jiaxing UPhoton Optoelectronics Technology Co., Ltd.
Xingming Zhao
G02 - OPTICS
Information
Patent Grant
Mobile apparatus obstacle detection system, mobile apparatus, and g...
Patent number
11,776,152
Issue date
Oct 3, 2023
JIAXING UPHOTON OPTOELECTRONICS TECHNOLOGY CO., LTD.
Chenhao Dou
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
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Patent Application
DESIGN METHOD FOR OUT-COUPLING GRATING FOR AR OPTICAL WAVEGUIDE, AN...
Publication number
20240045201
Publication date
Feb 8, 2024
JIAXING UPHOTON OPTOELECTRONICS TECHNOLOGY CO., LTD.
Xingming ZHAO
G02 - OPTICS
Information
Patent Application
DIFFRACTIVE OPTICAL WAVEGUIDE AND DISPLAY DEVICE
Publication number
20240004143
Publication date
Jan 4, 2024
JIAXING UPHOTON OPTOELECTRONICS TECHNOLOGY CO., LTD.
Xingming ZHAO
G02 - OPTICS