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Daejeon, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Diffraction light guide plate and method of manufacturing diffracti...
Patent number
12,117,628
Issue date
Oct 15, 2024
LG Chem, Ltd.
Jung Hwan Yoon
G02 - OPTICS
Information
Patent Grant
Diffraction light guide plate and method of manufacturing diffracti...
Patent number
11,892,662
Issue date
Feb 6, 2024
LG Chem Ltd.
Jung Hwan Yoon
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for producing amorphous thin film
Patent number
11,680,311
Issue date
Jun 20, 2023
LG Chem, Ltd.
Jung Hwan Yoon
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Wearable device including a plastic lens substrate
Patent number
11,681,154
Issue date
Jun 20, 2023
LG Chem, Ltd.
Hye Min Kim
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of manufacturing module having multiple pattern areas, modul...
Patent number
11,656,390
Issue date
May 23, 2023
LG Chem, Ltd.
Jeong Ho Park
G02 - OPTICS
Information
Patent Grant
Plasma etching method using faraday cage
Patent number
11,462,393
Issue date
Oct 4, 2022
LG Chem, Ltd.
Eun Kyu Her
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of welding electrode tab and cable type rechargeable battery...
Patent number
11,355,821
Issue date
Jun 7, 2022
LG Chem, Ltd.
Jin Soo Lee
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of manufacturing mold for diffraction grating light guide pl...
Patent number
11,348,799
Issue date
May 31, 2022
LG Chem, Ltd.
Eun Kyu Her
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing mold substrate for diffraction lattice ligh...
Patent number
11,331,869
Issue date
May 17, 2022
LG Chem, Ltd.
Eun Kyu Her
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Plasma etching method using Faraday cage
Patent number
11,276,561
Issue date
Mar 15, 2022
LG Chem, Ltd.
Eun Kyu Her
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for patterning lithium metal surface and electrode for lithi...
Patent number
11,271,199
Issue date
Mar 8, 2022
LG ENERGY SOLUTION, LTD.
Yoon-Ah Kang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for forming pattern for liquid crystal orientation of zenith...
Patent number
10,859,875
Issue date
Dec 8, 2020
LG Chem, Ltd.
So Young Choo
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Holographic Optical Element and Method for Manufacturing Same
Publication number
20230315013
Publication date
Oct 5, 2023
LG CHEM, LTD.
So Young Choo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
HOLOGRAPHIC OPTICAL DEVICE AND MANUFACTURING METHOD THEREFOR
Publication number
20220221821
Publication date
Jul 14, 2022
LG CHEM, LTD.
Sung Yeon Kim
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Diffraction Light Guide Plate and Method of Manufacturing Diffracti...
Publication number
20210063619
Publication date
Mar 4, 2021
LG CHEM, LTD.
Jung Hwan Yoon
G02 - OPTICS
Information
Patent Application
DIFFRACTION LIGHT GUIDE PLATE AND METHOD OF MANUFACTURING DIFFRACTI...
Publication number
20200408969
Publication date
Dec 31, 2020
LG CHEM, LTD.
Jung Hwan Yoon
G02 - OPTICS
Information
Patent Application
METHOD OF MANUFACTURING MOLD SUBSTRATE FOR DIFFRACTION LATTICE LIGH...
Publication number
20200368981
Publication date
Nov 26, 2020
LG CHEM, LTD.
Eun Kyu HER
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING AMORPHOUS THIN FILM
Publication number
20200370164
Publication date
Nov 26, 2020
LG CHEM, LTD.
Jung Hwan YOON
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
PLASMA ETCHING METHOD USING FARADAY CAGE
Publication number
20200365379
Publication date
Nov 19, 2020
LG CHEM, LTD.
Eun Kyu Her
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
WEARABLE DEVICE INCLUDING A PLASTIC LENS SUBSTRATE
Publication number
20200355932
Publication date
Nov 12, 2020
LG CHEM, LTD.
Hye Min Kim
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD OF MANUFACTURING MOLD FOR DIFFRACTION GRATING LIGHT GUIDE PL...
Publication number
20200335347
Publication date
Oct 22, 2020
LG CHEM, LTD.
Eun Kyu HER
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of Manufacturing Module Having Multiple Pattern Areas, Modul...
Publication number
20200271836
Publication date
Aug 27, 2020
LG CHEM, LTD.
Jeong Ho Park
G02 - OPTICS
Information
Patent Application
PLASMA ETCHING METHOD USING FARADAY CAGE
Publication number
20200203131
Publication date
Jun 25, 2020
LG CHEM, LTD.
Eun Kyu HER
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF WELDING ELECTRODE TAB AND CABLE TYPE RECHARGEABLE BATTERY...
Publication number
20200168885
Publication date
May 28, 2020
LG CHEM, LTD.
Jin Soo LEE
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD FOR PATTERNING LITHIUM METAL SURFACE AND ELECTRODE FOR LITHI...
Publication number
20200052293
Publication date
Feb 13, 2020
LG CHEM, LTD.
Yoon-Ah KANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR FORMING PATTERN FOR LIQUID CRYSTAL ORIENTATION OF ZENITH...
Publication number
20200033656
Publication date
Jan 30, 2020
LG CHEM, LTD.
So Young CHOO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY