Yeongrae Chang

Person

Daejeon-city, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Anti-reflective film
- Patent number 12,253,650
- Issue date Mar 18, 2025
- LG Chem, Ltd.
- Jinseok Byun
- G02 - OPTICS
Information Patent Grant
Anti-reflective film
- Patent number 12,253,651
- Issue date Mar 18, 2025
- LG Chem, Ltd.
- Jinseok Byun
- G02 - OPTICS
Information Patent Grant
Polarizing plate and image display device comprising the same
- Patent number 12,169,298
- Issue date Dec 17, 2024
- LG Chem, Ltd.
- Jung Hyun Seo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Cover window for flexible display device and flexible display device
- Patent number 12,140,831
- Issue date Nov 12, 2024
- LG Chem, Ltd.
- Jin Young Park
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cover window for flexible display device and flexible display device
- Patent number 12,117,592
- Issue date Oct 15, 2024
- LG Chem, Ltd.
- Jin Young Park
- B32 - LAYERED PRODUCTS
Information Patent Grant
Curable composition and optical material comprising cured product t...
- Patent number 12,104,057
- Issue date Oct 1, 2024
- LG Chem, Ltd.
- Hee Jung Choi
- G02 - OPTICS
Information Patent Grant
Composition for optical film, optical film and display device compr...
- Patent number 12,091,520
- Issue date Sep 17, 2024
- LG Chem, Ltd.
- Jung Hyun Seo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Anti-glare film, polarizing plate and display apparatus
- Patent number 12,092,794
- Issue date Sep 17, 2024
- LG Chem, Ltd.
- Hanna Lee
- G02 - OPTICS
Information Patent Grant
Optical laminate, polarizing plate, and display device
- Patent number 12,078,777
- Issue date Sep 3, 2024
- LG Chem, Ltd.
- Jaeyoung Kim
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Cover window for flexible display device and flexible display device
- Patent number 12,072,468
- Issue date Aug 27, 2024
- LG Chem, Ltd.
- Jin Young Park
- B32 - LAYERED PRODUCTS
Information Patent Grant
Curable composition and optical element comprising cured product th...
- Patent number 12,065,544
- Issue date Aug 20, 2024
- LG Chem, Ltd.
- Hee Jung Choi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Anti-reflective film, polarizing plate, and display apparatus
- Patent number 12,050,304
- Issue date Jul 30, 2024
- LG Chem, Ltd.
- Kyung Moon Ko
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Photopolymer composition
- Patent number 12,001,141
- Issue date Jun 4, 2024
- LG Chem Ltd.
- Heon Kim
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Hologram medium
- Patent number 11,994,704
- Issue date May 28, 2024
- LG Chem, Ltd.
- Seokhoon Jang
- G02 - OPTICS
Information Patent Grant
Cover window for flexible display device and flexible display device
- Patent number 11,958,987
- Issue date Apr 16, 2024
- LG Chem, Ltd.
- Jin Young Park
- B32 - LAYERED PRODUCTS
Information Patent Grant
Anti-glare film, polarizing plate and display device
- Patent number 11,945,969
- Issue date Apr 2, 2024
- LG Chem, Ltd.
- Hanna Lee
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Curable composition and optical material comprising cured product t...
- Patent number 11,945,914
- Issue date Apr 2, 2024
- LG Chem, Ltd.
- Heon Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Anti-reflective film, polarizing plate, and display apparatus
- Patent number 11,880,017
- Issue date Jan 23, 2024
- LG Chem, Ltd.
- Jinseok Byun
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Photopolymer composition
- Patent number 11,851,515
- Issue date Dec 26, 2023
- LG Chem, Ltd.
- Seokhoon Jang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Visibility improving film for display panel and display device comp...
- Patent number 11,833,804
- Issue date Dec 5, 2023
- LG Chem, Ltd.
- Kwangseok Seo
- B32 - LAYERED PRODUCTS
Information Patent Grant
Photopolymer composition
- Patent number 11,827,731
- Issue date Nov 28, 2023
- LG Chem, Ltd.
- Seokhoon Jang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polarizing plate, liquid crystal panel and display device
- Patent number 11,815,759
- Issue date Nov 14, 2023
- LG Chem, Ltd.
- Intaek Song
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Anti-reflective film, polarizing plate, and display apparatus
- Patent number 11,732,142
- Issue date Aug 22, 2023
- LG Chem, Ltd.
- Jinseok Byun
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Visibility improving film for display panel and display device comp...
- Patent number 11,639,449
- Issue date May 2, 2023
- LG Chem, Ltd.
- Kwangseok Seo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Anti-reflective film, polarizing plate, and display apparatus
- Patent number 11,624,857
- Issue date Apr 11, 2023
- LG Chem, Ltd.
- Jinseok Byun
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photopolymer composition
- Patent number 11,591,433
- Issue date Feb 28, 2023
- LG Chem, Ltd.
- Heon Kim
- G11 - INFORMATION STORAGE
Information Patent Grant
Film for blocking ultraviolet rays
- Patent number 11,549,025
- Issue date Jan 10, 2023
- LG Chem, Ltd.
- Kwangseok Seo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Visibility improving film for display panel and display device comp...
- Patent number 11,525,048
- Issue date Dec 13, 2022
- LG Chem, Ltd.
- Kwangseok Seo
- B32 - LAYERED PRODUCTS
Information Patent Grant
Anti-reflective film, polarizing plate, and display apparatus
- Patent number 11,506,820
- Issue date Nov 22, 2022
- LG Chem, Ltd.
- Jinseok Byun
- G02 - OPTICS
Information Patent Grant
Visibility improving film for display panel and display device comp...
- Patent number 11,485,875
- Issue date Nov 1, 2022
- LG Chem, Ltd.
- Hanna Lee
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
DIFFRACTION LIGHT GUIDE PLATE AND MANUFACTURING METHOD THEREOF
- Publication number 20240402432
- Publication date Dec 5, 2024
- LG CHEM, LTD.
- Jaeyoung Kim
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
CURABLE COMPOSITION AND OPTICAL MATERIAL COMPRISING SAME
- Publication number 20240093002
- Publication date Mar 21, 2024
- LG CHEM, LTD.
- Soonhwa JUNG
- G02 - OPTICS
Information Patent Application
PROTECTING FILM FOR COVER WINDOW OF FLEXIBLE DISPLAY DEVICE, COVER...
- Publication number 20230407026
- Publication date Dec 21, 2023
- LG CHEM, LTD.
- Hanna LEE
- B32 - LAYERED PRODUCTS
Information Patent Application
ANTI-GLARE FILM, POLARIZING PLATE AND DISPLAY APPARATUS
- Publication number 20230341590
- Publication date Oct 26, 2023
- LG CHEM, LTD.
- Hanna LEE
- G02 - OPTICS
Information Patent Application
OPTICAL FILM AND MICRO LED DISPLAY COMPRISING THEREOF
- Publication number 20230163265
- Publication date May 25, 2023
- LG CHEM, LTD.
- Hanna LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTI-GLARE FILM, POLARIZING PLATE AND DISPLAY APPARATUS
- Publication number 20230152621
- Publication date May 18, 2023
- LG CHEM, LTD.
- Seung Hun LEE
- G02 - OPTICS
Information Patent Application
PHOTOPOLYMER COMPOSITION FOR HOLOGRAM FORMATION, HOLOGRAM RECORDING...
- Publication number 20230142827
- Publication date May 11, 2023
- LG CHEM, LTD.
- Inkyu LEE
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ANTIGLARE FILM LAMINATE, POLARIZING PLATE, AND DISPLAY DEVICE
- Publication number 20230117581
- Publication date Apr 20, 2023
- LG CHEM, LTD.
- Min Soo KIM
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ANTI-GLARE FILM, POLARIZING PLATE AND DISPLAY APPARATUS
- Publication number 20230087678
- Publication date Mar 23, 2023
- LG CHEM, LTD.
- Hanna LEE
- G02 - OPTICS
Information Patent Application
ANTI-REFLECTIVE FILM
- Publication number 20230003921
- Publication date Jan 5, 2023
- LG CHEM, LTD.
- Jinseok BYUN
- G02 - OPTICS
Information Patent Application
ANTI-REFLECTIVE FILM
- Publication number 20220381954
- Publication date Dec 1, 2022
- LG CHEM, LTD.
- Jinseok BYUN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DIFFRACTION LIGHT GUIDE PLATE AND MANUFACTURING METHOD THEREOF
- Publication number 20220315707
- Publication date Oct 6, 2022
- LG CHEM, LTD.
- Jaeyoung Kim
- G02 - OPTICS
Information Patent Application
ANTI-GLARE FILM, POLARIZING PLATE AND DISPLAY APPARATUS
- Publication number 20220206188
- Publication date Jun 30, 2022
- LG CHEM, LTD.
- Hanna LEE
- G02 - OPTICS
Information Patent Application
CURABLE COMPOSITION AND OPTICAL MATERIAL
- Publication number 20220204702
- Publication date Jun 30, 2022
- LG CHEM, LTD.
- Hee Jung Choi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CURABLE COMPOSITION AND OPTICAL MATERIAL COMPRISING CURED PRODUCT T...
- Publication number 20220204767
- Publication date Jun 30, 2022
- LG CHEM, LTD.
- Hee Jung Choi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COVER WINDOW FOR FLEXIBLE DISPLAY DEVICE AND FLEXIBLE DISPLAY DEVICE
- Publication number 20220171099
- Publication date Jun 2, 2022
- LG CHEM, LTD.
- Jin Young PARK
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
VISIBILITY IMPROVING FILM FOR DISPLAY PANEL AND DISPLAY DEVICE COMP...
- Publication number 20210371695
- Publication date Dec 2, 2021
- LG CHEM, LTD.
- Kwangseok SEO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CURABLE COMPOSITION AND OPTICAL ELEMENT COMPRISING CURED PRODUCT TH...
- Publication number 20210355280
- Publication date Nov 18, 2021
- LG CHEM, LTD.
- Hee Jung CHOI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PHOTOPOLYMER COMPOSITION
- Publication number 20210340302
- Publication date Nov 4, 2021
- LG CHEM, LTD.
- Seokhoon JANG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOSITION FOR OPTICAL FILM, OPTICAL FILM AND DISPLAY DEVICE COMPR...
- Publication number 20210324165
- Publication date Oct 21, 2021
- LG CHEM, LTD.
- Jung Hyun SEO
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
ANTI-REFLECTIVE FILM, POLARIZING PLATE, AND DISPLAY APPARATUS
- Publication number 20210325569
- Publication date Oct 21, 2021
- LG CHEM, LTD.
- Kyung Moon KO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ANTI-REFLECTIVE FILM, POLARIZING PLATE, AND DISPLAY APPARATUS
- Publication number 20210309863
- Publication date Oct 7, 2021
- LG CHEM, LTD.
- Jinseok BYUN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PHOTOPOLYMER COMPOSITION
- Publication number 20210301055
- Publication date Sep 30, 2021
- LG CHEM, LTD.
- Seokhoon Jang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
DIFFRACTION LIGHT GUIDE PLATE AND MANUFACTURING METHOD THEREOF
- Publication number 20210294041
- Publication date Sep 23, 2021
- LG CHEM, LTD.
- Jaeyoung Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COVER WINDOW FOR FLEXIBLE DISPLAY DEVICE AND FLEXIBLE DISPLAY DEVICE
- Publication number 20210240226
- Publication date Aug 5, 2021
- LG CHEM, LTD.
- Jin Young PARK
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HOLOGRAM MEDIUM
- Publication number 20210239894
- Publication date Aug 5, 2021
- LG CHEM, LTD.
- Seokhoon JANG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COVER WINDOW FOR FLEXIBLE DISPLAY DEVICE AND FLEXIBLE DISPLAY DEVICE
- Publication number 20210230449
- Publication date Jul 29, 2021
- LG CHEM, LTD.
- Jin Young PARK
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLARIZING PLATE AND IMAGE DISPLAY DEVICE COMPRISING THE SAME
- Publication number 20210223453
- Publication date Jul 22, 2021
- LG CHEM, LTD.
- Jung Hyun SEO
- G02 - OPTICS
Information Patent Application
ANTI-REFLECTIVE FILM, POLARIZING PLATE, AND DISPLAY APPARATUS
- Publication number 20210206935
- Publication date Jul 8, 2021
- LG CHEM, LTD.
- Jinseok BYUN
- B82 - NANO-TECHNOLOGY
Information Patent Application
COVER WINDOW FOR FLEXIBLE DISPLAY DEVICE AND FLEXIBLE DISPLAY DEVICE
- Publication number 20210199856
- Publication date Jul 1, 2021
- LG CHEM, LTD.
- Jin Young PARK
- G02 - OPTICS

Yeongrae Chang

Person

Patents Grantslast 30 patents

Anti-reflective film

Anti-reflective film

Polarizing plate and image display device comprising the same

Cover window for flexible display device and flexible display device

Cover window for flexible display device and flexible display device

Curable composition and optical material comprising cured product t...

Composition for optical film, optical film and display device compr...

Anti-glare film, polarizing plate and display apparatus

Optical laminate, polarizing plate, and display device

Cover window for flexible display device and flexible display device

Curable composition and optical element comprising cured product th...

Anti-reflective film, polarizing plate, and display apparatus

Photopolymer composition

Hologram medium

Cover window for flexible display device and flexible display device

Anti-glare film, polarizing plate and display device

Curable composition and optical material comprising cured product t...

Anti-reflective film, polarizing plate, and display apparatus

Photopolymer composition

Visibility improving film for display panel and display device comp...

Photopolymer composition

Polarizing plate, liquid crystal panel and display device

Anti-reflective film, polarizing plate, and display apparatus

Visibility improving film for display panel and display device comp...

Anti-reflective film, polarizing plate, and display apparatus

Photopolymer composition

Film for blocking ultraviolet rays

Visibility improving film for display panel and display device comp...

Anti-reflective film, polarizing plate, and display apparatus

Visibility improving film for display panel and display device comp...

Patents Applicationslast 30 patents

DIFFRACTION LIGHT GUIDE PLATE AND MANUFACTURING METHOD THEREOF

CURABLE COMPOSITION AND OPTICAL MATERIAL COMPRISING SAME

PROTECTING FILM FOR COVER WINDOW OF FLEXIBLE DISPLAY DEVICE, COVER...

ANTI-GLARE FILM, POLARIZING PLATE AND DISPLAY APPARATUS

OPTICAL FILM AND MICRO LED DISPLAY COMPRISING THEREOF

ANTI-GLARE FILM, POLARIZING PLATE AND DISPLAY APPARATUS

PHOTOPOLYMER COMPOSITION FOR HOLOGRAM FORMATION, HOLOGRAM RECORDING...

ANTIGLARE FILM LAMINATE, POLARIZING PLATE, AND DISPLAY DEVICE

ANTI-GLARE FILM, POLARIZING PLATE AND DISPLAY APPARATUS

ANTI-REFLECTIVE FILM

ANTI-REFLECTIVE FILM

DIFFRACTION LIGHT GUIDE PLATE AND MANUFACTURING METHOD THEREOF

ANTI-GLARE FILM, POLARIZING PLATE AND DISPLAY APPARATUS

CURABLE COMPOSITION AND OPTICAL MATERIAL

CURABLE COMPOSITION AND OPTICAL MATERIAL COMPRISING CURED PRODUCT T...

COVER WINDOW FOR FLEXIBLE DISPLAY DEVICE AND FLEXIBLE DISPLAY DEVICE

VISIBILITY IMPROVING FILM FOR DISPLAY PANEL AND DISPLAY DEVICE COMP...

CURABLE COMPOSITION AND OPTICAL ELEMENT COMPRISING CURED PRODUCT TH...

PHOTOPOLYMER COMPOSITION

COMPOSITION FOR OPTICAL FILM, OPTICAL FILM AND DISPLAY DEVICE COMPR...

ANTI-REFLECTIVE FILM, POLARIZING PLATE, AND DISPLAY APPARATUS

ANTI-REFLECTIVE FILM, POLARIZING PLATE, AND DISPLAY APPARATUS

PHOTOPOLYMER COMPOSITION

DIFFRACTION LIGHT GUIDE PLATE AND MANUFACTURING METHOD THEREOF

COVER WINDOW FOR FLEXIBLE DISPLAY DEVICE AND FLEXIBLE DISPLAY DEVICE

HOLOGRAM MEDIUM

COVER WINDOW FOR FLEXIBLE DISPLAY DEVICE AND FLEXIBLE DISPLAY DEVICE

POLARIZING PLATE AND IMAGE DISPLAY DEVICE COMPRISING THE SAME

ANTI-REFLECTIVE FILM, POLARIZING PLATE, AND DISPLAY APPARATUS

COVER WINDOW FOR FLEXIBLE DISPLAY DEVICE AND FLEXIBLE DISPLAY DEVICE