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Beijing, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Broadband cascaded splitting film array waveguide and display syste...
Patent number
11,815,711
Issue date
Nov 14, 2023
BEIJING LLVISION TECHNOLOGY CO., LTD.
Yong Li
G02 - OPTICS
Information
Patent Grant
Plate waveguide
Patent number
11,256,021
Issue date
Feb 22, 2022
BEIJING LLVISION TECHNOLOGY CO., LTD.
Yong Li
G02 - OPTICS
Information
Patent Grant
Display device and electronic apparatus
Patent number
9,575,322
Issue date
Feb 21, 2017
LENOVO (BEIJING) CO., LTD
Xiaopan Zheng
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
BROADBAND CASCADED SPLITTING FILM ARRAY WAVEGUIDE AND DISPLAY SYSTE...
Publication number
20200363581
Publication date
Nov 19, 2020
Yong Li
G02 - OPTICS
Information
Patent Application
PLATE WAVEGUIDE
Publication number
20200249389
Publication date
Aug 6, 2020
BEIJING LLVISION TECHNOLOGY CO., LTD.
Yong LI
G02 - OPTICS
Information
Patent Application
Display Device And Electronic Apparatus
Publication number
20150378165
Publication date
Dec 31, 2015
LENOVO (BEIJING) CO., LTD.
Xiaopan Zheng
G02 - OPTICS