YAS
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
YAS makes deposition equipment, the machines that deposit ultra-thin organic material layers onto glass substrates to produce OLED display panels used in televisions and smaller screens.
Its customers are display panel manufacturers that need this equipment in their production lines. Listed on KOSDAQ, Korea's tech-focused small-cap board, YAS covers both large-format deposition systems for TV-sized panels and evaporation sources for mid- and small-sized panels. According to its filing, it is the only company in the world to have successfully mass-produced both large-generation deposition machines and their evaporation sources.
Summary is AI-generated and may contain errors · figures from DART filings
YAS claims to be the sole company globally with mass-production experience in both large-generation OLED deposition systems and the evaporation sources they require, a capability distinction it states in its own filing.
YAS in five facts
What does YAS do?
YAS makes deposition equipment, the machines that deposit ultra-thin organic material layers onto glass substrates to produce OLED display panels used in televisions and smaller screens.
Where is YAS listed and in which sector?
YAS (Korean name: 야스) trades under KRX code 255440 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Industrials sector, Machinery.
How large is YAS?
Its market capitalisation was US$102.6M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were YAS's latest annual revenue and operating profit?
For fiscal year 2025, YAS reported revenue of US$26.2M, an operating loss of US$4.9M and a net loss of US$4.2M, per its annual report on DART (data retrieved from DART on 2026-06-03). Revenue was up 21.4% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-06-03
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, converted from won at 1 USD ≈ ₩1,325 (2026-10-21 close)
- Company data updated
- 2026-10-21
- Company summary
- AI-generated from filings; may contain errors. Information only, not investment advice.
- Report on large shareholdings (5% rule) (standard)Sep 10
- [Amended] Supply contract signed
YAS amends its April 20, 2026 disclosure of a display deposition equipment supply contract with Guangzhou China Star Optoelectronics to confirm that a 30% down payment has been received, with the 60% interim and 10% final payments to be confirmed through a further amendment once the payment terms are met.
Supply contract · Aug 19 · 2 versions - Operating results (consolidated) (preliminary) (fair disclosure)
YAS filed provisional (unaudited) consolidated results for Q2 2026: revenue of US$61.4M (+1318.8% year on year), operating profit of US$19.7M (from a loss a year earlier) and net income of US$19.1M (from a loss a year earlier).
Earnings · Jul 30 - Operating results (preliminary) (fair disclosure)
YAS filed provisional (unaudited) separate results for Q2 2026: revenue of US$60.5M (+1373% year on year), operating profit of US$18.2M (from a loss a year earlier) and net income of US$17.6M (from a loss a year earlier).
Earnings · Jul 29 - Supply contract signed
YAS disclosed a supply contract with Guangzhou China Star Optoelectronics Printing Display Technology Co., Ltd, worth US$8.21M, about 35.74% of its recent annual revenue, running through Nov 2026.
Supply contract · Jun 15 - Supply contract signed
YAS disclosed a supply contract with LG Display, worth US$4.52M, about 19.56% of its recent annual revenue, running through Mar 2027.
Supply contract · May 26 - [Amended] Supply contract signed
YAS updated a previously disclosed supply contract with LG Display, now worth US$4.59M, about 23.75% of its recent annual revenue, running through Dec 2025.
Supply contract · Mar 4 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
YAS reported consolidated results for FY2025: revenue of US$24.3M (+21.4% year on year), an operating loss of US$4.51M and a net loss of US$3.68M.
Earnings · Feb 27