Information
402 World Cup buk-ro, Mapo-gu, Seoul, South Korea
+82 2-325-9459
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Overview
- Summary
- Dongjin Semichem is a specialized fine chemical company manufacturing and selling advanced electronic materials for semiconductors and displays, alternative energy materials, and industrial blowing agents. It is a developer and supplier of core semiconductor materials such as photoresists, anti-reflective coatings, and polishing slurries, as well as display materials like organic insulating layers and color resists. The company is expanding into the renewable energy sector through the development of materials for lithium-ion batteries and fuel cells. Since its establishment in 1967, it has pioneered the domestic fine chemical materials field and led the localization of technology.Dongjin Semichem is a specialized fine chemical company manufacturing and selling advanced electronic materials for semiconductors and displays, alternative energy materials, and industrial blowing agents. It is a developer and supplier of core semiconductor materials such as photoresists, anti-reflective coatings, and polishing slurries, as well as display materials like organic insulating layers and color resists. The company is expanding into the renewable energy sector through the development of materials for lithium-ion batteries and fuel cells. Since its establishment in 1967, it has pioneered the domestic fine chemical materials field and led the localization of technology.
- Key Products/Technologies
- Semiconductor Materials: KrF, ArF, ArF Immersion, EUV Photoresist (successful localization and mass production of EUV PR), 3D NAND KrF Thick PR (world market share #1), Anti-Reflective Coating (BARC), Spin-on-Carbon (SOC), CMP Slurry, Wet Chemicals (thinner, stripper, etchant, cleaner), Photo Imageable Dielectric (PID) development, Dongjin Build-up Film (DJBF) development in progress.Semiconductor Materials: KrF, ArF, ArF Immersion, EUV Photoresist (successful localization and mass production of EUV PR), 3D NAND KrF Thick PR (world market share #1), Anti-Reflective Coating (BARC), Spin-on-Carbon (SOC), CMP Slurry, Wet Chemicals (thinner, stripper, etchant, cleaner), Photo Imageable Dielectric (PID) development, Dongjin Build-up Film (DJBF) development in progress.
- Display Materials: Colored Resist, Organic Insulating Layer (domestic market share #1), Column Spacer, OLED materials (Spirobifluorene-based, Capping Layer (CPL), Hole Transfer Layer (HTL), next-generation Blue materials), LCD photoresist, stripper, etchant, world's first mass production of 4-mask photoresist.Display Materials: Colored Resist, Organic Insulating Layer (domestic market share #1), Column Spacer, OLED materials (Spirobifluorene-based, Capping Layer (CPL), Hole Transfer Layer (HTL), next-generation Blue materials), LCD photoresist, stripper, etchant, world's first mass production of 4-mask photoresist.
- Blowing Agents: UNICELL-D (ADCA), UNICELL-G (DPT), UNICELL-TS, UNICELL-5PT, UNICELL-C, UNICELL-MS series, UNICELL-HMS series, including various chemical blowing agents and blowing accelerators, and eco-friendly blowing agent development. (Blowing agent business spun off into Dongjin Innochem as of January 1, 2026).Blowing Agents: UNICELL-D (ADCA), UNICELL-G (DPT), UNICELL-TS, UNICELL-5PT, UNICELL-C, UNICELL-MS series, UNICELL-HMS series, including various chemical blowing agents and blowing accelerators, and eco-friendly blowing agent development. (Blowing agent business spun off into Dongjin Innochem as of January 1, 2026).
- Renewable Energy Materials: Conductive additives for lithium-ion secondary batteries (CNT conductive additive, silicon anode material development), Membrane Electrode Assembly (MEA) manufacturing technology for fuel cells (high-output, high-durability MEA, catalyst technology, electrolyte technology, electrode manufacturing technology).Renewable Energy Materials: Conductive additives for lithium-ion secondary batteries (CNT conductive additive, silicon anode material development), Membrane Electrode Assembly (MEA) manufacturing technology for fuel cells (high-output, high-durability MEA, catalyst technology, electrolyte technology, electrode manufacturing technology).
- Core Advantages
- Leading domestic technology localization capabilities: First in Korea to localize PVC and rubber blowing agents in 1967, first in Korea (fourth in the world) to develop semiconductor photoresist in 1989, and successful first-time development and commercialization of core electronic materials such as LCD photoresist, organic insulating films, strippers, 1M DRAM photoresist, and ArFi photoresist.Leading domestic technology localization capabilities: First in Korea to localize PVC and rubber blowing agents in 1967, first in Korea (fourth in the world) to develop semiconductor photoresist in 1989, and successful first-time development and commercialization of core electronic materials such as LCD photoresist, organic insulating films, strippers, 1M DRAM photoresist, and ArFi photoresist.
- Dominant market position: World market share #1 in 3D NAND KrF photoresist, domestic market share #1 in semiconductor thinner, domestic market share #1 in display organic insulating films, and a leading company with a 30% global market share in blowing agents.Dominant market position: World market share #1 in 3D NAND KrF photoresist, domestic market share #1 in semiconductor thinner, domestic market share #1 in display organic insulating films, and a leading company with a 30% global market share in blowing agents.
- Advanced technology development and patent competitiveness: Successful localization and securing of PFAS-free PR for EUV photoresist, ongoing development of MOR (inorganic photoresist), and proven technological superiority through licensing Spirobifluorene-based OLED material patents to global leaders such as Merck of Germany and Idemitsu Kosan of Japan.Advanced technology development and patent competitiveness: Successful localization and securing of PFAS-free PR for EUV photoresist, ongoing development of MOR (inorganic photoresist), and proven technological superiority through licensing Spirobifluorene-based OLED material patents to global leaders such as Merck of Germany and Idemitsu Kosan of Japan.
- Global production and supply chain establishment: Domestic production facilities in Hwaseong, Incheon, Siheung, and Eumseong, along with overseas subsidiaries and production facilities in China, Taiwan, Sweden, and the USA (Texas thinner plant). Establishment of a US plant to support Samsung Electronics' Taylor Fab, and a long-term supply contract for secondary battery anode materials with Northvolt in Sweden.Global production and supply chain establishment: Domestic production facilities in Hwaseong, Incheon, Siheung, and Eumseong, along with overseas subsidiaries and production facilities in China, Taiwan, Sweden, and the USA (Texas thinner plant). Establishment of a US plant to support Samsung Electronics' Taylor Fab, and a long-term supply contract for secondary battery anode materials with Northvolt in Sweden.
- Diversified business portfolio: Engaged in various high-value-added fine chemical material businesses including semiconductors, displays, blowing agents, and renewable energy materials, ensuring a stable revenue structure and future growth engines.Diversified business portfolio: Engaged in various high-value-added fine chemical material businesses including semiconductors, displays, blowing agents, and renewable energy materials, ensuring a stable revenue structure and future growth engines.
- Target Industries
- Semiconductor Industry (memory, non-memory semiconductor manufacturing processes)Semiconductor Industry (memory, non-memory semiconductor manufacturing processes)
- Display Industry (LCD, OLED panel manufacturing processes)Display Industry (LCD, OLED panel manufacturing processes)
- Construction Industry (interior materials, flooring, wallpaper)Construction Industry (interior materials, flooring, wallpaper)
- Automotive Industry (automotive interior materials)Automotive Industry (automotive interior materials)
- Footwear Industry (shoe soles)Footwear Industry (shoe soles)
- Packaging Material IndustryPackaging Material Industry
- Safety Equipment Industry (life jackets)Safety Equipment Industry (life jackets)
- Secondary Battery Industry (lithium-ion batteries)Secondary Battery Industry (lithium-ion batteries)
- Fuel Cell IndustryFuel Cell Industry
- Major Markets
- South Korea, China, Taiwan, Japan (patent licensing)South Korea, China, Taiwan, Japan (patent licensing)
- Germany (patent licensing), SwedenGermany (patent licensing), Sweden
- United StatesUnited States
- Certifications/Patents
- Multiple Spirobifluorene-based OLED material patents held and licensed to global leaders such as Merck of Germany and Idemitsu Kosan of Japan.Multiple Spirobifluorene-based OLED material patents held and licensed to global leaders such as Merck of Germany and Idemitsu Kosan of Japan.
- Awarded the 'Sejong the Great Award' at the 2016 second-half Patent Technology Awards (Negative photosensitive resin composition, display organic insulating film technology).Awarded the 'Sejong the Great Award' at the 2016 second-half Patent Technology Awards (Negative photosensitive resin composition, display organic insulating film technology).
- Newly selected as a 'World Class Product' in 2025 (KrF Thick PR photoresist for V-NAND flash).Newly selected as a 'World Class Product' in 2025 (KrF Thick PR photoresist for V-NAND flash).
- Selected as a 'Materials, Parts, and Equipment (Soo-Jang) Leading Company' (2021).Selected as a 'Materials, Parts, and Equipment (Soo-Jang) Leading Company' (2021).
- Joint patent application with Samsung Electronics for semiconductor thinner.Joint patent application with Samsung Electronics for semiconductor thinner.
- Secured product performance evaluation infrastructure through 15 years of technical cooperation with IMEC in Belgium.Secured product performance evaluation infrastructure through 15 years of technical cooperation with IMEC in Belgium.
Introduction
Location
402 World Cup buk-ro, Mapo-gu, Seoul, South Korea
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