Best Photonics Companies in South Korea
The 44 best Photonics companies in South Korea in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Auto-L.
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Ranked: Best Photonics companies in South Korea
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Auto-L Online platform offering a range of high-resolution LiDAR sensors for autonomous systems | $81M | 46 mo ago | Series A | Yong Lee CEO | 2021 | — | 326 patents Integrated sensor cleaning/nozzle systems for automotive vision and lidar devices. | — |
| 2 | SOS Lab Developer of optical measurement sensors based on LiDAR technologies | $14M | 76 mo ago | Public | Sungui Hwang Co-Founder | 2016 | PHPGSAPApache HTTP Server+5 | 253 patents Patents concentrated in computing, sensing & instrumentation | 1 partnership · 1 award |
| 3 | Speclipse Provider of molecular spectroscopy systems for early-stage skin cancer detection | $11M | 60 mo ago | Acquired | — | 2015 | GnuboardMySQLPHP+11 | 124 patents AI-driven skin cancer imaging diagnostics and fluid analyte measurement devices | — |
| 4 | Lightron Fiber-optic network equipment provider | $7M | 101 mo ago | Public | Hong-Man Kim Founder & CEO | 1998 | PHPUbuntuBootstrap+7 | 16 patents Advanced LED lighting modules with heat management and bi-directional optical transceiver integration. | — |
| 5 | Magic Micro Provider diversified photonic systems | — | 95 mo ago | Late Stage | Hyungmin Kim CEO | 1985 | — | — | — |
| 6 | AP Systems Manufacturer of the laser equipment for the material processing | — | 119 mo ago | Public | Kim Young-Joo CEO | 1994 | Windows ServerIISGSAP+9 | 954 patents Advanced thermal, coating, and optical inspection equipment for solar and semiconductor substrates | — |
| 7 | PiQuant Provider of component detecting sensors and devices | — | 134 mo ago | Seed | — | 2015 | PHPBootstrapNginx+12 | 24 patents Spectroscopic chemical composition analysis for safety, medical, and environmental monitoring. | — |
| 8 | ILJIN Semiconductor Developer of basic LEDs and power LEDs for multiple applications | — | 206 mo ago | Deadpooled | Chris Kim CEO | 1998 | — | 35 patents LED packaging and white LED/backlight technologies for displays and lighting. | — |
Top 8 Photonics companies in South Korea
#1
Series A · Seongnam-si, Gyeonggi-do · founded 2021 · 16 employees$81.5Mraised▾
Online platform offering a range of high-resolution LiDAR sensors for autonomous systems. It includes products such as the G192 and G384, which are long-range, multi-channel LiDAR units suitable for autonomous vehicles, and the RX1, a compact sensor designed for indoor robotics and automated parking systems.
- Oct 2022Series A$81.5M
#2
Acquired · Seongnam-si, Gyeonggi-do · founded 2015 · 12 employees$10.6Mraised▾
Provider of molecular spectroscopy systems for early-stage skin cancer detection. It has developed a non-invasive diagnostic tool based on laser spectroscopy and statistical algorithm for early-stage skin cancer detection. This in-vivo laser technology works by analyzing the chemical composition of the tissues.
- Aug 2021Series A$8M
- Nov 2016Seed$2.6M
#3
Public · Gwangju, Gwangju · founded 2016 · 63 employees$14Mraised▾
SOS Lab (Smart Optical Sensors Lab) develops and manufactures optical measurement sensors based on LiDAR technologies. Its offerings include SL-1 (a 3D LiDAR sensor for self-driving cars), GL-3 (a 2D LiDAR sensor for industrial automation & drones), and TL-3 (a solid-state 2D LiDAR sensor for security & safety applications). The company has won the KES Innovation Awards 2017, KSME-SEMES Open Innovation Challenge 2017, and Seoul International Invention Fair 2017.
- Apr 2020Series A$8M
- Oct 2018Series A$6M
- 2017Seed—
#4
Public · Daejeon, Daejeon · founded 1998 · 180 employees$7.1Mraised▾
Lightron (formerly known as Lightron Fiber-optic devices) provides fiber-optic network equipment to the telecom operators, carriers, and service providers in Korea and internationally. Its product portfolio includes passive optical network (PON), optical line terminal, transceivers, optical networking unit (ONU), sub-assemblies, pluggable optic components (SFP), and digital broadcasting (receivers, transmitters).
- Mar 2018Post IPO$2.3M
- Feb 2017Post IPO$797.4K
- Oct 2016Post IPO$4M
#5
Late Stage · Ansan-si, Gyeonggi-do · founded 1985 · 10 employees—raised▾
Provider diversified photonic systems. Its product portfolio includes photonic integrated circuits, 5G optical beamforming networks, biophotonic sensors, LED packaging processes, PIC environmental sensors, and optical gyro sensors. It has applications in quantum computing, robotics, drones, 5G communication, self-driving cars, and healthcare devices.
#6
Public · Gyeonggi-do · founded 1994—raised▾
A P Systems manufactures the laser equipment for material processing. Its detailed product line includes excimer laser annealing device and equipment for rapid thermal material processing. The excimer laser annealing device irradiates amorphous silicon (a-Si) film to form a polysilicon film. In addition, the company also incorporates and offers devices for material processing that uses technologies such as heat treatment technology, module technology, and plasma application technology.
- Sep 2016PE—
#7
Seed · Seoul, Seoul · founded 2015 · 11 employees—raised▾
PiQuant develops customized sensor modules or devices that can measure the components that users want to detect based on spectroscopy. It offerings include customized sensor modules for smart home, smart farm, and smart factory applications; sensor solutions to improve SNR i.e. distinguish and remove the noise waves from the continuous wave and amplify it; PiScanner/LiquiScan- a mobile IoT liquid scanner which detects and measures the dose of lead, mercury, and artificial dyes from all kinds of liquid products, especially melamine from milk for babies; and MonAir- a mobile air quality measuring device. Results can be checked through the companion mobile app.
- Jun 2015Seed—
#8
Deadpooled · Incheon, Incheon · founded 1998—raised▾
ILJIN Semiconductor develops basic LEDs and power LEDs for multiple applications. Products include top vide LED, side view LED, power lED, and RGBs. Features include high luminous intensity, wide viewing angle, and ESD protection. Its power LEDs are also claimed to have additional features such as low voltage operation and low thermal resistance. The products have application in multiple industries including automotive, digital signage, LCD displays, portable computers, etc. The company owns 5 patents for its products and technology used.
- 2009Series B—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Photonics coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Photonics & Optoelectronics is moving in South Korea
A read on the academic research around Photonics & Optoelectronics — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 2,957 South Korea-affiliated papers.
- Ministry of Education428
- Sungkyunkwan University269
- Korea Advanced Institute of Science and Technology254
- Seoul National University199
- Hanyang University181
- Fabrication4→167
- Transistor2→143
- Perovskite (structure)21→155
- Heterojunction3→109
- Electrode7→103
- Fabrication1→54
- Dielectric2→46
- Electrode2→44
- Heterojunction2→43
- Doping4→42
- Quantum dot1→8
- Perovskite (structure)1→8
- Light-emitting diode1→7
- Diode2→7
Where photonics is researched across South Korea
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing photonics patents in South Korea
South Korea photonics patent filing is cooling — 59,719 filings from 8,000 assignees (2016–2025), led by Samsung, LG Display, LG Philips LCD; annual filings 8026→3862.
- Samsung54919
- LG Display23017
- LG Philips LCD7528
- LG Chemical6694
- LG Electronics5614
- LG Innotek4394
- Dongwoo FINE CHEM2836
- Korea Electronics Telecomm1435
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.