To the future technology for light and communication in the world.

New wave beyond imagination.

Make future
much better than today.

QSI have Excellent product design capabilities and advanced production systems
that can handle EPI, FAB and PKG with extensive experience.

Quantum Semiconductor International

BUSINESS

AREA

Specialized manufacturer of compound semiconductors.
Manufacturing technology for Laser diode, VCSEL, RF Device, and Micro LED.

Laser diodes : Manufacturing finished products
VCSEL, RF Device, Micro LED : Foundry service and device manufacturing services.

LDeast FOUNDRY SERVICEeast

Quantum Semiconductor International

VCSEL

High-quality VCSEL Epi foundry
Support for VCSEL product development and customer needs

east

LiDAR
light source

High-power pulsed semiconductor
laser diodes for self-driving cars
and industrial LiDAR sensor.

east

RF devices R&D

MMIC Foundry Service with ultra-high
frequency and ultra-low noise
characteristics, based on active
elements such as HEMT and HBT,
MMIC.

east

Micro LED

High efficiency micro LED epi foundry and device fabrication service
(Red display light sources)

east

NEWS

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"Development of RF Parts Technology Based on Compound Process for Upper-midband E-MIMO Base Sta

"Development of RF Parts Technology Based on Compound Process for Upper-midband E-MIMO Base Sta

2024.07.10

Announcement of the Settlement of Accounts

Announcement of the Settlement of Accounts

2024.03.19

The 31st Korean Conference on Semiconductors <img src='/admin/bbsmain/image/file.gif' border='0' align='absmiddle'>

The 31st Korean Conference on Semiconductors

2024.01.29

Photonics conference 2023 <img src='/admin/bbsmain/image/file.gif' border='0' align='absmiddle'>

Photonics conference 2023

2023.12.06

2023 TECH INSIDE SHOW - Best of Materials, Components and Ppuri Industry <img src='/admin/bbsmain/image/file.gif' border='0' align='absmiddle'>

2023 TECH INSIDE SHOW - Best of Materials, Components and Ppuri Industry

2023.10.18

400 million KRW in development funds to Kyungpook National University <img src='/admin/bbsmain/image/file.gif' border='0' align='absmiddle'>

400 million KRW in development funds to Kyungpook National University

2023.09.19

National project "Development of an FMCW LiDAR light source for autonomous vehicle"

National project "Development of an FMCW LiDAR light source for autonomous vehicle"

2023.11.27

Audited Balanced Sheets as at December 31, 2022 <img src='/admin/bbsmain/image/file.gif' border='0' align='absmiddle'>

Audited Balanced Sheets as at December 31, 2022

2023.03.21

Development of 'low noise amplifier' based on compound materials.

Development of 'low noise amplifier' based on compound materials.

2023.02.10

2023 SPIE Photonics West Conference <img src='/admin/bbsmain/image/file.gif' border='0' align='absmiddle'>

2023 SPIE Photonics West Conference

2023.02.01

CUSTOMER

USA

Germany

Lithuania

China

Taiwan

Korea

Janpan

USA

Banner Engineering

FAS

Capillus

Medical

Lexmark

LSU

Honeywell System Sensor

PS

HP

LSU

Zebra

BCS

USA

Banner Engineering

FAS

Capillus

Medical

Lexmark

LSU

Honeywell System Sensor

PS

HP

LSU

Zebra

BCS

GERMANY

Bosch Laser

PT

Ifm

FAS

JENOPTIK

PT

Leica Geosystems

PT

SICK

FAS

LITHUANIA

Brolis Semiconductors Ltd.

Gun sight

CHINA

PANTUM INTELLIGENT

LSU

Nanjing Chervon

PT

TAIWAN

HTC

MR

GARMIN

MR

LECC

Module

SEAN & STEPHEN CORPRATION

Module

KOREA

HLDS

PS

SINDOH

LSU

SANGSHIN Electronics

PS

ONEGENE

PS

KANAVI MOBILITY

Lidar

Vatec

Medical

LG

Micro LED

HYUNDAI AUTOMOBILE

Lidar

JANPAN

Optex

FAS

Omron

FAS

Ricoh

LSU

Sharp

LSU

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