Song-Geun Lee

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Youngdeumpo gu Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Optical film stack including retardation layer
- Patent number 11,906,840
- Issue date Feb 20, 2024
- 3M Innovative Properties Company
- Sun-Yong Park
- G02 - OPTICS
Information Patent Grant
Optical film stack including retardation layer
- Patent number 11,506,926
- Issue date Nov 22, 2022
- 3M Innovative Properties Company
- Sun-Yong Park
- G02 - OPTICS
Information Patent Grant
Optical film stack including retardation layer
- Patent number 10,073,204
- Issue date Sep 11, 2018
- 3M Innovative Properties Company
- Sun-Yong Park
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FILM STACK INCLUDING RETARDATION LAYER
- Publication number 20230048794
- Publication date Feb 16, 2023
- 3M Innovative Properties Company
- Sun-Yong Park
- G02 - OPTICS
Information Patent Application
OPTICAL FILM STACK INCLUDING RETARDATION LAYER
- Publication number 20190004227
- Publication date Jan 3, 2019
- 3M Innovative Properties Company
- Sun-Yong Park
- B32 - LAYERED PRODUCTS
Information Patent Application
OPTICAL FILM STACK INCLUDING RETARDATION LAYER
- Publication number 20160377781
- Publication date Dec 29, 2016
- 3M INNOVATIVE PROPERTIES COMPANY
- Sun-Yong Park
- G02 - OPTICS