Dongduk CHOI

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Bucheon-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method of preparing a polarizing plate for antireflection
- Patent number 12,321,001
- Issue date Jun 3, 2025
- Dongwoo Fine-Chem Co., Ltd.
- Dongduk Choi
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
POLARIZING PLATE FOR ANTIREFLECTION AND DISPLAY DEVICE COMPRISING T...
- Publication number 20240111082
- Publication date Apr 4, 2024
- DONGWOO FINE-CHEM CO., LTD
- Dongduk CHOI
- B32 - LAYERED PRODUCTS
Information Patent Application
POLARIZING PLATE FOR ANTIREFLECTION AND DISPLAY DEVICE COMPRISING T...
- Publication number 20220057559
- Publication date Feb 24, 2022
- DONGWOO FINE-CHEM CO., LTD
- Dongduk CHOI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POLARIZING PLATE FOR ANTIREFLECTION AND DISPLAY DEVICE COMPRISING T...
- Publication number 20220057560
- Publication date Feb 24, 2022
- DONGWOO FINE-CHEM CO., LTD
- Ji Hoon KIM
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POLARIZING PLATE FOR ANTIREFLECTION AND DISPLAY DEVICE COMPRISING T...
- Publication number 20220057558
- Publication date Feb 24, 2022
- DONGWOO FINE-CHEM CO., LTD
- Dongduk CHOI
- B32 - LAYERED PRODUCTS
Information Patent Application
POLARIZING PLATE FOR OLED AND DISPLAY DEVICE COMPRISING THE SAME
- Publication number 20210408497
- Publication date Dec 30, 2021
- DONGWOO FINE-CHEM CO., LTD
- Dongduk CHOI
- H01 - BASIC ELECTRIC ELEMENTS