What the company does
Sejin T S makes the thin optical films, including reflective, protective, diffusion, and prism sheets, that sit inside LED and LCD flat-panel displays and control how light is spread and shaped on screen.
The company supplies these components to major display manufacturers and their related production partners in the television and monitor supply chain. Listed on KOSDAQ, Korea's tech-focused small-cap board, it operates through a parent company and a subsidiary, Sejin Optical, whose combined revenue is directly tied to the cyclical demand patterns of the global display industry.
Summary is AI-generated and may contain errors · figures from DART filings
Financials
Source: DART · FY ending Dec · latest FY2025Revenue
- FY2023US$7.5M
- FY2024US$9.5M
- FY2025US$8.6M
Operating profit
- FY2023−US$1.9M
- FY2024US$533.4K
- FY2025−US$150.2K
Net income
- FY2023−US$1M
- FY2024US$2.3M
- FY2025US$517.4K
Key ratios (FY2025)
Why it matters · Context, not a recommendation
The filing names Sejin Optical as a subsidiary, meaning the consolidated business spans more than one legal entity within the same display-components supply chain.
Filings
All disclosures · English when translatedPrice charts coming soon
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