Device
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
Device makes contamination-removal equipment, machines that clean particles and residues off surfaces during the manufacture of semiconductors and OLED displays.
It supplies these systems to chipmakers and display panel producers, sitting in the capital-equipment layer of those supply chains. Listed on KOSDAQ, Korea's tech-focused small-cap board, the company earns the overwhelming majority of its revenue from its contamination-removal equipment line, with a small supplementary business supplying materials and components used in semiconductor and display manufacturing.
Summary is AI-generated and may contain errors · figures from DART filings
Each piece of contamination-removal equipment is custom-developed to match a specific customer's production line, meaning there are no off-the-shelf standard products, every order requires close engineering collaboration with the buyer.
Device in five facts
What does Device do?
Device makes contamination-removal equipment, machines that clean particles and residues off surfaces during the manufacture of semiconductors and OLED displays.
Where is Device listed and in which sector?
Device (Korean name: 디바이스) trades under KRX code 187870 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Industrials sector, Machinery.
How large is Device?
Its market capitalisation was US$114.8M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were Device's latest annual revenue and operating profit?
For fiscal year 2025, Device reported revenue of US$63.5M, operating profit of US$13.1M and net income of US$12.8M, per its annual report on DART (data retrieved from DART on 2026-10-02). Revenue was up 78.3% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-10-02
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, 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.
- [Amended] Supply contract signed (voluntary)
Device updated a previously disclosed supply contract with Samsung Electronics, now worth US$2.27M, about 6.4% of its recent annual revenue, running through Nov 2026.
Supply contract · Oct 20 - [Amended] Supply contract signed (voluntary)
Device updated a previously disclosed supply contract with Samsung Electronics, now worth US$2.26M, about 6.3% of its recent annual revenue, running through Dec 2026.
Supply contract · Oct 19 - Completion report on merger, etc. (merger)
Device Co., Ltd. completed its small-scale, no-capital-increase merger (ratio 1:0) with its wholly owned subsidiary Oclen Ventures Co., Ltd. on July 31, 2026, issuing no new shares; 155 dissenting shareholders holding 34,633 shares (0.25% of outstanding shares) submitted objection notices, but no appraisal rights were granted.
M&A · Jul 31 - Supply contract signed
Device disclosed a supply contract with Samsung Electronics, worth US$6.01M, about 10.31% of its recent annual revenue, running through Aug 2027.
Supply contract · Jul 29 - Supply contract signed
Device disclosed a supply contract with Guangzhou China Star Optoelectronics Printing Display Technology Co., Ltd., worth US$16.9M, about 30.51% of its recent annual revenue, running through Nov 2026.
Supply contract · Jul 7 - Supply contract signed (voluntary)
Device disclosed a supply contract with Samsung Electronics, worth US$3.36M, about 6.11% of its recent annual revenue, running through Mar 2027.
Supply contract · Jul 6 - Supply contract signedSupply contract · Jul 2
- [Amended] Supply contract signed (voluntary)
Device updated a previously disclosed supply contract with Samsung Electronics, now worth US$1.93M, about 6.3% of its recent annual revenue, running through Oct 2026.
Supply contract · Jun 18 - Supply contract signed
Device disclosed a supply contract with Chengdu BOE Display Technology Co., Ltd., worth US$17.5M, about 31.35% of its recent annual revenue, running through Dec 2026.
Supply contract · May 27 - [Attachment amended] Material event report (merger)M&A · May 21
- Material event report (merger)M&A · May 18
- Ex-rights (bonus issue)Capital raise · Apr 27
- [Amended] Material event report (bonus issue)Capital raise · Apr 16 · 2 versions
- Trading suspension (bonus issue)Capital raise · Apr 10
- Supply contract signed (voluntary)
Device disclosed a supply contract with Samsung Electronics, worth US$4.72M, about 8.27% of its recent annual revenue, running through Feb 2027.
Supply contract · Apr 10 - Supply contract signed (voluntary)
Device disclosed a supply contract with SK hynix, worth US$2.57M, about 7.99% of its recent annual revenue, running through Dec 2026.
Supply contract · Mar 10 - Cash/in-kind dividend decision
Device declared a cash dividend of US$0.45 per share.
Dividend · Feb 12 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
Device reported consolidated results for FY2025: revenue of US$58.2M (+78.2% year on year), operating profit of US$12M (+310.7% year on year) and net income of US$11.7M (+115.9% year on year).
Earnings · Feb 12 - Supply contract signed (voluntary)
Device disclosed a supply contract with Samsung Electronics, worth US$2.07M, about 6.4% of its recent annual revenue, running through Oct 2026.
Supply contract · Feb 10 - Supply contract signed
Device disclosed a supply contract with Samsung Austin Semiconductor, LLC., worth US$7.49M, about 23.18% of its recent annual revenue, running through Oct 2026.
Supply contract · Feb 5