Seoul Viosys develops world-first white LED producing white light without rare earths
Predicted impact: Medium
World-first rare-earth-free white LED; commercial impact and revenue size still unclear.
Seoul Viosys서울바이오시스
092190 · KOSDAQ · ₩092190 · 서울바이오시스
₩6,410 ₩0 (0.00%)End-of-day · Oct 27, 2026 · End-of-day prices.
Price · 1Y +170.46%
- Market cap
- ₩294B
- Enterprise value
- ₩517B
- P/E
- 17.5×
- P/B
- 3.0×
- Dividend yield
- 0.0%
- ROE
- 17.0%
- Net margin
- 2.1%
Trailing 12 months from filed financial statements, as of H1 2026. Dividend yield: the 2025 dividend per share from the annual report ÷ today's price.
52-week range−66.7% from the high
₩2,135Today: ₩6,330 – ₩6,700₩19,270
Returns
- 1W−5.6%
- 1M−20.0%
- 3M+35.8%
- 6M−4.8%
- YTD+150.4%
- 1Y+170.5%
- Volume today
- 119,565
- 0.9× the 20-day average
- Traded today
- ₩776M
- Listed shares
- 45,868,383
- EPS (12 months)
- ₩367
- Earnings yield 5.7%
AI researchResearch being writtenOur AI is writing a report on this company from filed data, prices and news. Check back soon.
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Signals
Quiet- BuzzQuietBuzz 41 of 100 (50 is a normal day for this stock).
- SentimentPositiveNews: A single positive technology development story. Community: 0 bullish, 0 bearish posts this week.
- MomentumWeak-19.9% over the last month; the price is below its 20-day average.
- News impactSome1 news items and filings in two weeks; 0 rated high impact, 1 medium.
Signals describe activity, not recommendations. Not financial advice.
Seoul Viosys stock overview
Seoul Viosys (서울바이오시스, KRX: 092190) is listed on KOSDAQ, in the Semiconductors sector. Seoul Viosys is a Korean compound semiconductor company that designs and manufactures light-emitting diode (LED) and other optical semiconductor products, offering a range of solutions from chips to modules. Its shares closed at ₩6,410 on Oct 27, 2026, unchanged on the day, giving it a market value of ₩294B.
Key facts
- Market cap
- ₩294B
- Sector
- Semiconductors
- Latest price change
- 0.00%
- As of
- Oct 27, 2026
- Main business
- Seoul Viosys is a Korean compound semiconductor company that designs and manufactures light-emitting diode (LED) and other optical semiconductor products, offering a range of solutions from chips to modules.
Quick answers about Seoul Viosys
- What does Seoul Viosys do?
- Seoul Viosys is a Korean compound semiconductor company that designs and manufactures light-emitting diode (LED) and other optical semiconductor products, offering a range of solutions from chips to modules. Its portfolio spans UV, visible, infrared, laser diode and VCSEL technologies, and it serves customers worldwide through six global R&D centers and subsidiaries in the United States, Vietnam and China. Its products are used in automotive lighting, display backlights, general lighting, sterilization, and emerging areas such as micro LED displays and 3D sensing.
- What is the market cap of Seoul Viosys?
- The market capitalisation of Seoul Viosys was ₩294B at the close on Oct 27, 2026.
- Who are the largest shareholders of Seoul Viosys?
- According to the latest official filings, the largest reported holders are Seoul Semiconductor (77.74%, as of Dec 22, 2025); National Pension Service (0.05%, as of Dec 31, 2021); Avantis Emerging Markets Equity Fund (0.00%, as of May 31, 2026).
- When is the next earnings report from Seoul Viosys?
- Korean companies rarely announce results dates in advance. Based on when Seoul Viosys filed the same report in past years, its next 3q results is expected between Nov 13, 2026 and Nov 14, 2026.
- Does the National Pension Service own Seoul Viosys?
- Yes. The National Pension Service held 0.05% of Seoul Viosys shares as of Dec 31, 2021.
Company profile
Seoul Viosys is a Korean compound semiconductor company that designs and manufactures light-emitting diode (LED) and other optical semiconductor products, offering a range of solutions from chips to modules. Its portfolio spans UV, visible, infrared, laser diode and VCSEL technologies, and it serves customers worldwide through six global R&D centers and subsidiaries in the United States, Vietnam and China. Its products are used in automotive lighting, display backlights, general lighting, sterilization, and emerging areas such as micro LED displays and 3D sensing.
Written by AI from the company's latest annual report.
- Korean name
- 서울바이오시스
- Sector
- Semiconductors
- Themes
- —
- CEO
- 이정훈, 강지훈 (각자대표)
- Founded
- Jan 2002
- Listed
- Mar 2020
- Listed shares
- 45,868,383
- Fiscal year ends
- Month 12
- Website
- www.seoulviosys.com/kr/
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Recent news
Recent filings
See all- Preliminary earnings (consolidated)Oct 14, 2026
- Half-year report (Jun 2026)Aug 14, 2026
- Earnings Outlook on Consolidated Financial Statements (Fair Disclosure)Aug 10, 2026
- Amended: Preliminary earnings (consolidated)Aug 10, 2026
- Investor relations (IR) eventAug 7, 2026
Titles in Korean until English translations are added.
Also known as: Seoul Viosys / 서울바이오시스 / 092190 / KRX:092190
Source: KRX statistical information