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 fine chemical company manufacturing and selling advanced electronic materials for semiconductors and displays, alternative energy materials, and industrial blowing agents. It has played a pivotal role in the development of Korea's electronic materials industry, growing into a global leading company. The company holds unparalleled technological capabilities and market share, especially in semiconductor photoresist. It is also securing future growth engines by expanding its business into new and renewable energy sectors such as secondary batteries and fuel cells.Dongjin Semichem is a fine chemical company manufacturing and selling advanced electronic materials for semiconductors and displays, alternative energy materials, and industrial blowing agents. It has played a pivotal role in the development of Korea's electronic materials industry, growing into a global leading company. The company holds unparalleled technological capabilities and market share, especially in semiconductor photoresist. It is also securing future growth engines by expanding its business into new and renewable energy sectors such as secondary batteries and fuel cells.
- Key Products/Technologies
- **Semiconductor Materials**: Photoresists include various types such as KrF, ArF, ArF Immersion, and EUV PR, with its KrF Thick PR for 3D NAND holding the world's No. 1 market share. The company supplies essential materials for overall semiconductor processes, including Anti-Reflective Coating (BARC), Spin-on-Carbon (SOC), Chemical Mechanical Polishing (CMP) Slurry, and Wet Chemicals (thinner, stripper, etchant, cleaner). It is also developing Photo Imageable Dielectric (PID) for advanced package manufacturing, continuously pursuing technological innovation.**Semiconductor Materials**: Photoresists include various types such as KrF, ArF, ArF Immersion, and EUV PR, with its KrF Thick PR for 3D NAND holding the world's No. 1 market share. The company supplies essential materials for overall semiconductor processes, including Anti-Reflective Coating (BARC), Spin-on-Carbon (SOC), Chemical Mechanical Polishing (CMP) Slurry, and Wet Chemicals (thinner, stripper, etchant, cleaner). It is also developing Photo Imageable Dielectric (PID) for advanced package manufacturing, continuously pursuing technological innovation.
- **Display Materials**: The company produces materials for display processes, including Colored Resist, Organic Insulating Layer, and Column Spacer. In the OLED material sector, it holds patents for spirobifluorene-based OLED materials and mass-produces Capping Layer (CPL) materials, supplying them to domestic and international customers. It is expanding its business scope by developing Hole Transfer Layer (HTL) and next-generation Blue materials, building a strong patent portfolio.**Display Materials**: The company produces materials for display processes, including Colored Resist, Organic Insulating Layer, and Column Spacer. In the OLED material sector, it holds patents for spirobifluorene-based OLED materials and mass-produces Capping Layer (CPL) materials, supplying them to domestic and international customers. It is expanding its business scope by developing Hole Transfer Layer (HTL) and next-generation Blue materials, building a strong patent portfolio.
- **Alternative Energy Materials**: The company focuses on developing core materials for lithium-ion secondary batteries and fuel cells. Its Li-ion Battery Conductive Slurry is applied in medium to large-sized batteries for electric vehicles and ESS, with ongoing development of MWCNT and SWCNT conductive slurries. It has secured high-output, high-durability MEA (Membrane Electrode Assembly) manufacturing technology and is accelerating the development of next-generation silicon anode materials.**Alternative Energy Materials**: The company focuses on developing core materials for lithium-ion secondary batteries and fuel cells. Its Li-ion Battery Conductive Slurry is applied in medium to large-sized batteries for electric vehicles and ESS, with ongoing development of MWCNT and SWCNT conductive slurries. It has secured high-output, high-durability MEA (Membrane Electrode Assembly) manufacturing technology and is accelerating the development of next-generation silicon anode materials.
- **Blowing Agents**: Dongjin Semichem offers a diverse range of blowing agent products, including UNICELL-D (ADCA), UNICELL-G (DPT), UNICELL-TS, UNICELL-5PT, UNICELL-C, UNICELL-MS series, and UNICELL-HMS series. The company also focuses on developing eco-friendly blowing agents and holds the 'UNICELL' brand, capable of the broadest range of blowing agent production and supply worldwide. As of January 1, 2026, the blowing agent business unit completed its spin-off into Dongjin Innochem, allowing the company to concentrate on its electronic materials business.**Blowing Agents**: Dongjin Semichem offers a diverse range of blowing agent products, including UNICELL-D (ADCA), UNICELL-G (DPT), UNICELL-TS, UNICELL-5PT, UNICELL-C, UNICELL-MS series, and UNICELL-HMS series. The company also focuses on developing eco-friendly blowing agents and holds the 'UNICELL' brand, capable of the broadest range of blowing agent production and supply worldwide. As of January 1, 2026, the blowing agent business unit completed its spin-off into Dongjin Innochem, allowing the company to concentrate on its electronic materials business.
- Core Advantages
- **Leadership in Technology Localization and Unique Expertise**: Since its founding in 1967, the company has pioneered the fine chemical sector by localizing PVC and rubber blowing agents for the first time in Korea. In 1989, it developed semiconductor photoresist for the first time domestically, spearheading the localization of electronic materials. It is the only company in Korea capable of mass-producing KrF, ArF, and EUV photoresists, demonstrating its unique technological prowess.**Leadership in Technology Localization and Unique Expertise**: Since its founding in 1967, the company has pioneered the fine chemical sector by localizing PVC and rubber blowing agents for the first time in Korea. In 1989, it developed semiconductor photoresist for the first time domestically, spearheading the localization of electronic materials. It is the only company in Korea capable of mass-producing KrF, ArF, and EUV photoresists, demonstrating its unique technological prowess.
- **Global Market Competitiveness and Share**: The company holds the world's No. 1 market share in KrF photoresist for 3D NAND, No. 1 in semiconductor thinner in Korea, and No. 1 in organic insulating film for displays. Its KrF Thick PR for V-NAND flash was selected as a 'World-Class Product' in 2025, officially recognizing its global technological capabilities. In the blowing agent sector, it has emerged as a top-class global company, exporting products to over 50 countries worldwide.**Global Market Competitiveness and Share**: The company holds the world's No. 1 market share in KrF photoresist for 3D NAND, No. 1 in semiconductor thinner in Korea, and No. 1 in organic insulating film for displays. Its KrF Thick PR for V-NAND flash was selected as a 'World-Class Product' in 2025, officially recognizing its global technological capabilities. In the blowing agent sector, it has emerged as a top-class global company, exporting products to over 50 countries worldwide.
- **Extensive Global Production and R&D Network**: The company has secured a global production network with 8 domestic and 17 overseas business sites. It operates local subsidiaries and factories in key locations such as China, Taiwan, Indonesia, the United States, and Sweden, enhancing technological collaboration and supply stability with overseas customers. Notably, it is pursuing the establishment of secondary battery conductive material factories and semiconductor core material factories in the United States, actively responding to global supply chain restructuring.**Extensive Global Production and R&D Network**: The company has secured a global production network with 8 domestic and 17 overseas business sites. It operates local subsidiaries and factories in key locations such as China, Taiwan, Indonesia, the United States, and Sweden, enhancing technological collaboration and supply stability with overseas customers. Notably, it is pursuing the establishment of secondary battery conductive material factories and semiconductor core material factories in the United States, actively responding to global supply chain restructuring.
- **Strong Customer Relationships and Supply Chain Stability**: Dongjin Semichem has secured major domestic semiconductor and display manufacturers such as Samsung Electronics, SK Hynix, LG Display, and Samsung Display as stable revenue sources. It is preparing to supply secondary battery anode materials through a 10-year long-term contract with Northvolt in Sweden and supplies conductive materials to Samsung SDI's domestic and overseas factories.**Strong Customer Relationships and Supply Chain Stability**: Dongjin Semichem has secured major domestic semiconductor and display manufacturers such as Samsung Electronics, SK Hynix, LG Display, and Samsung Display as stable revenue sources. It is preparing to supply secondary battery anode materials through a 10-year long-term contract with Northvolt in Sweden and supplies conductive materials to Samsung SDI's domestic and overseas factories.
- **Patent Competitiveness in Advanced Materials**: The company has licensed its self-developed spirobifluorene-based OLED material patents to global leading companies such as Merck of Germany and Idemitsu Kosan of Japan, demonstrating its technological superiority worldwide. This is a rare case where a Korean company provides patents to leading overseas companies, a testament to its globally recognized technological capabilities. It holds a total of 1,451 public patents, pursuing continuous technological innovation through ongoing R&D investments.**Patent Competitiveness in Advanced Materials**: The company has licensed its self-developed spirobifluorene-based OLED material patents to global leading companies such as Merck of Germany and Idemitsu Kosan of Japan, demonstrating its technological superiority worldwide. This is a rare case where a Korean company provides patents to leading overseas companies, a testament to its globally recognized technological capabilities. It holds a total of 1,451 public patents, pursuing continuous technological innovation through ongoing R&D investments.
- Target Industrie
- **Semiconductor Industry**: The company supplies various electronic materials essential for semiconductor microcircuit implementation, including photoresist, anti-reflective coating, SOC, CMP slurry, and Wet Chemicals, contributing to the entire semiconductor manufacturing process. By successfully localizing EUV photoresist, it plays a crucial role in stabilizing the core supply chain of the domestic semiconductor industry.**Semiconductor Industry**: The company supplies various electronic materials essential for semiconductor microcircuit implementation, including photoresist, anti-reflective coating, SOC, CMP slurry, and Wet Chemicals, contributing to the entire semiconductor manufacturing process. By successfully localizing EUV photoresist, it plays a crucial role in stabilizing the core supply chain of the domestic semiconductor industry.
- **Display Industry**: It provides photoresist, organic insulating films, color resists, OLED materials, and other materials used in the photolithography and other manufacturing processes of TFT-LCD, OLED, and next-generation displays, contributing to display technology advancement. Through the development of high-performance materials, it supplies specialized materials essential for improving the light efficiency and reliability of OLED panels.**Display Industry**: It provides photoresist, organic insulating films, color resists, OLED materials, and other materials used in the photolithography and other manufacturing processes of TFT-LCD, OLED, and next-generation displays, contributing to display technology advancement. Through the development of high-performance materials, it supplies specialized materials essential for improving the light efficiency and reliability of OLED panels.
- **Alternative Energy Industry**: The company develops and supplies core materials such as conductive slurries, silicon anode materials, and high-output MEA (Membrane Electrode Assembly) in the lithium-ion secondary battery and fuel cell sectors, contributing to the growth of new and renewable energy markets like electric vehicles and Energy Storage Systems (ESS). It is actively participating in the global secondary battery supply chain by pursuing the construction of a secondary battery conductive material factory in the United States.**Alternative Energy Industry**: The company develops and supplies core materials such as conductive slurries, silicon anode materials, and high-output MEA (Membrane Electrode Assembly) in the lithium-ion secondary battery and fuel cell sectors, contributing to the growth of new and renewable energy markets like electric vehicles and Energy Storage Systems (ESS). It is actively participating in the global secondary battery supply chain by pursuing the construction of a secondary battery conductive material factory in the United States.
- **General Industry**: It supplies blowing agents used for lightweighting and enhancing the functionality of various industrial products, including shoe soles, flooring materials, construction materials, and automotive interior materials. With the trend towards product lightweighting and energy saving, its application in automotive interior materials and home appliances is increasing, making it utilized across various industries.**General Industry**: It supplies blowing agents used for lightweighting and enhancing the functionality of various industrial products, including shoe soles, flooring materials, construction materials, and automotive interior materials. With the trend towards product lightweighting and energy saving, its application in automotive interior materials and home appliances is increasing, making it utilized across various industries.
- Major Markets
- South Korea (Headquarters and major production facilities), China (Numerous local subsidiaries and factories in Beijing, Chengdu, Qidong, Hefei, Xi'an, Ordos, Chongqing, Huizhou, Fuzhou, Sichuan, Wuhan, etc.), Taiwan (Local subsidiary), Indonesia (Blowing agent factory investment and local operations)South Korea (Headquarters and major production facilities), China (Numerous local subsidiaries and factories in Beijing, Chengdu, Qidong, Hefei, Xi'an, Ordos, Chongqing, Huizhou, Fuzhou, Sichuan, Wuhan, etc.), Taiwan (Local subsidiary), Indonesia (Blowing agent factory investment and local operations)
- Sweden (Secondary battery anode material factory near Northvolt), Hungary (Supplying secondary battery conductive materials to Samsung SDI factory)Sweden (Secondary battery anode material factory near Northvolt), Hungary (Supplying secondary battery conductive materials to Samsung SDI factory)
- United States (New York, Texas local subsidiaries, pursuing establishment of semiconductor thinner and high-purity sulfuric acid factories, planned construction of secondary battery conductive material factory)United States (New York, Texas local subsidiaries, pursuing establishment of semiconductor thinner and high-purity sulfuric acid factories, planned construction of secondary battery conductive material factory)
- Certifications/Patents
- The company holds a total of 1,451 public patents, with a peak of 86 patents in 2014.The company holds a total of 1,451 public patents, with a peak of 86 patents in 2014.
- It has licensed its spirobifluorene-based OLED material patents to global electronic materials companies Merck of Germany and Idemitsu Kosan of Japan, demonstrating its technological competitiveness worldwide.It has licensed its spirobifluorene-based OLED material patents to global electronic materials companies Merck of Germany and Idemitsu Kosan of Japan, demonstrating its technological competitiveness worldwide.
- Its KrF Thick PR for V-NAND flash was newly selected as a 'World-Class Product' in 2025 by the Ministry of Trade, Industry and Energy and KOTRA, officially recognizing its global market share and export performance. This product achieved export sales of approximately 185.9 million USD over the past three years.Its KrF Thick PR for V-NAND flash was newly selected as a 'World-Class Product' in 2025 by the Ministry of Trade, Industry and Energy and KOTRA, officially recognizing its global market share and export performance. This product achieved export sales of approximately 185.9 million USD over the past three years.
- In the blowing agent sector, it possesses proprietary technologies such as chemical blowing agent technology, pulverization technology, chemical synthesis technology, and encapsulation technology, focusing on high-value-added special products. The company has secured high-output, high-durability MEA manufacturing technology based on catalyst technology, electrolyte technology, and electrode manufacturing technology for high-performance fuel cells. It has successfully commercialized high-output, high-capacity conductive material slurries by applying proprietary binder dissolution technology and optimized high-density conductive material dispersion technology related to secondary batteries.In the blowing agent sector, it possesses proprietary technologies such as chemical blowing agent technology, pulverization technology, chemical synthesis technology, and encapsulation technology, focusing on high-value-added special products. The company has secured high-output, high-durability MEA manufacturing technology based on catalyst technology, electrolyte technology, and electrode manufacturing technology for high-performance fuel cells. It has successfully commercialized high-output, high-capacity conductive material slurries by applying proprietary binder dissolution technology and optimized high-density conductive material dispersion technology related to secondary batteries.
Introduction
Location
402 World Cup buk-ro, Mapo-gu, Seoul, South Korea
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