Inventor
CHOI DOOWHAN
KR32 patents
⚠️ This page may combine multiple inventors who share the name “CHOI DOOWHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LG CHEMICAL LTD
29 patentsUS11283033B2Mar 22, 2022
Composition for organic layer of organic solar cell and organic solar cell
LG CHEMICAL LTD2 citations73
US10662313B2May 26, 2020
Organic electronic element and method for manufacturing same
LG CHEMICAL LTD4 citations73
US11038114B2Jun 15, 2021
Method for manufacturing organic solar cell and organic solar cell manufactured by using the same
LG CHEMICAL LTD0 citations62
US11008343B2May 18, 2021
Heterocyclic compound and organic electronic device comprising same
LG CHEMICAL LTD1 citations62
US11401275B2Aug 2, 2022
Non-fullerene based heterocyclic compound and organic electronic device including same
LG CHEMICAL LTD0 citations61
US11171289B2Nov 9, 2021
Method for manufacturing organic solar cell and organic solar cell manufactured using same
LG CHEMICAL LTD0 citations60
US10541376B2Jan 21, 2020
Organic solar cell and manufacturing method therefor
LG CHEMICAL LTD1 citations60
US11393996B2Jul 19, 2022
Organic electronic device and manufacturing method thereof
LG CHEMICAL LTD0 citations59
US11711966B2Jul 25, 2023
Polymer and organic solar cell comprising same
LG CHEMICAL LTD0 citations52
US11690282B2Jun 27, 2023
Organic solar cell
LG CHEMICAL LTD0 citations52
US11398603B2Jul 26, 2022
Heterocyclic compound and organic electronic device comprising same
LG CHEMICAL LTD0 citations52
US11133479B2Sep 28, 2021
Organic solar cell comprising a phenyldithiophene polymer donor and a non-fullerene acceptor
LG CHEMICAL LTD0 citations52
US10982042B2Apr 20, 2021
Polymer and organic solar cell including same
LG CHEMICAL LTD0 citations52
US12317737B2May 27, 2025
Polymer and organic solar cell including the same
LG CHEMICAL LTD0 citations51
US11225549B2Jan 18, 2022
Copolymer and organic solar cell including same
LG CHEMICAL LTD0 citations51
US11158818B2Oct 26, 2021
Compound and organic solar cell comprising same
LG CHEMICAL LTD0 citations51
US10672985B2Jun 2, 2020
Organic solar cell and method for manufacturing same
LG CHEMICAL LTD0 citations51
US11081603B2Aug 3, 2021
Organic solar cell and manufacturing method therefor
LG CHEMICAL LTD0 citations50
US10847724B2Nov 24, 2020
Organic solar cell module and method for manufacturing same
LG CHEMICAL LTD0 citations50
US9660194B2May 23, 2017
Copolymer and organic solar cell comprising same
LG CHEMICAL LTD1 citations50
US12557545B2Feb 17, 2026
Compound and organic light emitting device comprising the same
LG CHEMICAL LTD0 citations49
US11997921B2May 28, 2024
Organic light emitting device
LG CHEMICAL LTD0 citations49
US11239437B2Feb 1, 2022
Photoactive layer and organic solar cell including same
LG CHEMICAL LTD0 citations45
US10693073B2Jun 23, 2020
Fullerene derivatives and organic electronic device comprising fullerene derivatives
LG CHEMICAL LTD0 citations42
US10629816B2Apr 21, 2020
Polymer and organic solar cell comprising same
LG CHEMICAL LTD0 citations41
US10312445B2Jun 4, 2019
Polymer and organic electronic element comprising same
LG CHEMICAL LTD0 citations41
US10355221B2Jul 16, 2019
Heterocyclic compound and organic solar cell comprising the same
LG CHEMICAL LTD0 citations40
US9680101B2Jun 13, 2017
Copolymer and organic solar cell comprising same
LG CHEMICAL LTD0 citations40
US10439142B2Oct 8, 2019
Organic solar cell and manufacturing method therefor
LG CHEMICAL LTD0 citations39