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Shenzhen, CN
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Patents Grants
last 30 patents
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Patent Grant
LED display module and LED displayer
Patent number
11,742,468
Issue date
Aug 29, 2023
LEDMAN OPTOELECTRONIC CO., LTD.
Mantie Li
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Display module, display screen and display system
Patent number
11,626,541
Issue date
Apr 11, 2023
LEDMAN OPTOELECTRONIC CO., LTD.
Mantie Li
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Patents Applications
last 30 patents
Information
Patent Application
LED Display Module and LED Displayer
Publication number
20210091282
Publication date
Mar 25, 2021
Ledman Optoelectronic Co., Ltd.
Mantie LI
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
DISPLAY MODULE, DISPLAY SCREEN AND DISPLAY SYSTEM
Publication number
20210050486
Publication date
Feb 18, 2021
Ledman Optoelectronic Co., Ltd.
Mantie LI
H01 - BASIC ELECTRIC ELEMENTS