Company profile · Communications
LandMark Optoelectronics
聯亞光電工業股份有限公司 · 3081
What it does
Drafted and translated from cited sources, with links to the passages they are based on for your verification. Care is taken to translate its original meaning from Mandarin as closely as possible.
LandMark Optoelectronics manufactures and processes optoelectronic semiconductors, including Indium Phosphide (InP) and Gallium Arsenide (GaAs) epitaxial wafers and chips, laser diodes, and light-emitting diodes.[1]
The company utilizes Metal-Organic Chemical Vapor Deposition (MOCVD) technology to manufacture III-V compound semiconductor epi-wafers that provide core light-emitting and light-receiving components for optical communication and sensing applications.[1]
Its product lines include Indium Phosphide laser diode epi-wafers for optical communication, data transmission, and consumer electronics sensing; photodetector epi-wafers for optical communication devices, laser power monitoring, sensors, and gas detection; and Gallium Arsenide laser diode epi-wafers for laser processing, barcode scanners, positioning systems, 3D sensors, LiDAR, medical aesthetics, and data center communication equipment.[1]
The company is based in Tainan City, Taiwan.[2]
Monthly revenue
| Latest month | Revenue | Year on year | Month on month |
|---|---|---|---|
| 2026-10 | NT$570m | +183.0% | +5.5% |
2024-11 to 2026-10, monthly revenue.
Foreign investors
| Last 20 trading days | Net |
|---|---|
| 2026-10-12 to 2026-11-10 | −NT$5.2bn |
Net buying (green) and selling (red) by foreign investors, NT$ at each day's close. All companies.
Facts
| Full English name | LandMark Optoelectronics Corporation |
|---|---|
| Chinese name | 聯亞光電工業股份有限公司 |
| Stock code | 3081 (TPEx) |
| Industry | Communications |
| Founded | 02 Jun 1997 |
| Listed | 22 Jul 2015 |
| Paid-in capital | NT$1.0bn |
| Chairman | 張景溢 |
| President | 羅淇生 |
| Headquarters | No.12,Nanke 9th Rd,Shanhua Dist. Tainan City, Taiwan R.O.C |
| Website | https://www.lmoc.com.tw/ |
| Official business description | 有線通信機械器材製造業、電子零組件製造業、國際貿易業 · 研發、設計、生產及銷售下列產品: · 1.雷射磊晶片 2.檢光器磊晶片 3.兼營前述產品相關之國際貿易業 |
Facts from MOPS company basic information, retrieved 03 Nov 2026. The official business description is the company's own entry and can be out of date.
Sources
- Annual report 2025 (English), business scope · annual_report · retrieved 03 Nov 2026
- MOPS 公司基本資料 聯亞光電工業股份有限公司 · mops · retrieved 03 Nov 2026
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