Lumens
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
Lumens makes light-emitting diode (LED) components and light-guide panels (LGPs), thin sheets that distribute LED light evenly across a screen, used in televisions, general lighting, mobile devices, and automotive interiors.
Its products supply manufacturers in the TV, consumer electronics, and automotive markets. Listed on KOSDAQ, Korea's tech-focused small-cap exchange, the company operates across three divisions: LEDs for lighting and displays, LGPs for TVs and automotive applications, and a dedicated automotive electronics unit supplying LED modules for vehicles.
Summary is AI-generated and may contain errors · figures from DART filings
Lumens operates manufacturing subsidiaries in China (Kunshan Liuming Optoelectronics Co., Ltd.) and Vietnam (Lumens VINA), which handle a significant share of its production.
Lumens in five facts
What does Lumens do?
Lumens makes light-emitting diode (LED) components and light-guide panels (LGPs), thin sheets that distribute LED light evenly across a screen, used in televisions, general lighting, mobile devices, and automotive interiors.
Where is Lumens listed and in which sector?
Lumens (Korean name: 루멘스바이오스) trades under KRX code 038060 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Information Technology sector, Semiconductors.
How large is Lumens?
Its market capitalisation was US$21.7M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were Lumens's latest annual revenue and operating profit?
For fiscal year 2025, Lumens reported revenue of US$132.5M, an operating loss of US$3.8M and a net loss of US$5M, per its annual report on DART (data retrieved from DART on 2026-06-04). Revenue was up 0.8% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-06-04
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, 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.
- Decision to acquire shares/equity in another company
Lumens disclosed an acquisition of a company, worth US$10.4M.
M&A · Oct 21 - Material event report (convertible bonds)
Lumens disclosed convertible bonds to raise US$13.6M, about 62.5% of its market value.
Capital raise · Oct 21 - Material event reportOct 21
- Trading suspension liftedOct 12
- [Amended] Material event report (rights offering)
Lumens updated the terms of a private placement (third-party allotment) to raise US$1.83M, about 7.5% of its market value.
Capital raise · Sep 23 · 3 versions - Report on large shareholdings (5% rule) (standard)Sep 22
- Report on securities held by executives/major shareholdersSep 22
- Securities issuance results (voluntary)Sep 21
- [Amended] Material event report (capital reduction)Sep 21
- [Amended] Material event report (capital reduction)Sep 17
- [Attachment amended] Resolution to convene a general shareholders' meeting (extraordinary meeting)Sep 14
- [Attachment amended] Material event report (capital reduction)Sep 14
- [Attachment amended] Material event report (rights offering)Capital raise · Sep 14
- Other market noticeSep 11
- Shareholder register closure / record date setSep 11
- Resolution to convene a general shareholders' meeting (extraordinary meeting)Sep 11
- Trading suspensionSep 11
- Material event report (capital reduction)Sep 11
- Trading suspension (share consolidation/split registration)M&A · Sep 10
- Change of largest shareholder
Lumens Co., Ltd.'s largest shareholder changed from DTC Co., Ltd. to Nexton & Roll Korea Co., Ltd. upon closing of a share transfer agreement, with 10,566,637 shares (21.97%) changing hands on 2026-09-02; the buyer funded the acquisition with US$6.18M of its own funds and a US$14.4M loan from Sangsangin Savings Bank and others.
Ownership change · Sep 2 - Change of CEOSep 2
- DisclosureSep 2
- Results of extraordinary shareholders' meetingSep 2
- Report on securities held by executives/major shareholdersSep 2
- Report on large shareholdings (5% rule) (standard)Sep 2
- Report on securities held by executives/major shareholdersSep 2
- Report on large shareholdings (5% rule) (standard)Sep 2
- Appointment/dismissal/resignation of an independent directorSep 2
- Share transfer agreement that will change the largest shareholder
Lumens's controlling stake is set to change hands from DTC to Nexturn&Rollkorea, in a deal worth US$19.8M.
Ownership change · Aug 12 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
Lumens reported consolidated results for FY2025: revenue of US$120M (+0.8% year on year), an operating loss of US$3.29M and a net loss of US$4.41M (from a profit a year earlier).
Earnings · Feb 10