Information
17 Cheonheung 8-gil, Seonggeo-eup, Seobuk-gu, Cheonan, Chungcheongnam-do, South Korea
+82 41-555-5186
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Overview
- Summary
- QSI is a specialized manufacturer of compound semiconductors based on laser diodes [cite: database, 2, 30]. The company primarily sells finished laser diode products and provides foundry services and device manufacturing services in the VCSEL, RF device (MMIC), and Micro LED sectors [cite: database, 2, 5, 27]. It is a company that has secured original compound semiconductor technology and established a total solution system for customized product manufacturing. QSI supplies products to various applications such as industrial sensors, robots, and printers, securing a global customer base.QSI is a specialized manufacturer of compound semiconductors based on laser diodes [cite: database, 2, 30]. The company primarily sells finished laser diode products and provides foundry services and device manufacturing services in the VCSEL, RF device (MMIC), and Micro LED sectors [cite: database, 2, 5, 27]. It is a company that has secured original compound semiconductor technology and established a total solution system for customized product manufacturing. QSI supplies products to various applications such as industrial sensors, robots, and printers, securing a global customer base.
- Key Products/Technologies
- Laser Diode (LD): QSI's main product, offering red laser products with wavelengths of 635nm~680nm and infrared (IR) laser products with wavelengths of 780nm~940nm. Red lasers provide an output range of 5mW~50mW, and IR lasers offer up to 750mW (typically 5mW~300mW). Models include QL80S4HD-Y (500mW 808nm), QL80R4SD (300mW 808nm), QL78D6S-A/B/C (5mW 780nm), and QL65F73A/B (10mW 650nm). The company possesses multi-beam laser diode manufacturing technology and high-power semiconductor laser production technology.Laser Diode (LD): QSI's main product, offering red laser products with wavelengths of 635nm~680nm and infrared (IR) laser products with wavelengths of 780nm~940nm. Red lasers provide an output range of 5mW~50mW, and IR lasers offer up to 750mW (typically 5mW~300mW). Models include QL80S4HD-Y (500mW 808nm), QL80R4SD (300mW 808nm), QL78D6S-A/B/C (5mW 780nm), and QL65F73A/B (10mW 650nm). The company possesses multi-beam laser diode manufacturing technology and high-power semiconductor laser production technology.
- VCSEL (Vertical Cavity Surface Emitting Laser): A product line offering foundry services and device manufacturing services [cite: database, 2, 5, 27]. QSI holds the capability to develop VCSEL products with wavelengths ranging from 790nm~940nm. Key capabilities include single-junction and multi-junction epitaxial growth technology, along with VCSEL array device design and manufacturing technology. Models such as VCSEL Epitaxial Wafer (940nm, 1J,2J,3J,5J,7J), QC85V-S-024 (850nm, 130mW, 24emitter Chip), and QC94V-S-594 (940nm, 4000mW, 594emitter Chip) are provided.VCSEL (Vertical Cavity Surface Emitting Laser): A product line offering foundry services and device manufacturing services [cite: database, 2, 5, 27]. QSI holds the capability to develop VCSEL products with wavelengths ranging from 790nm~940nm. Key capabilities include single-junction and multi-junction epitaxial growth technology, along with VCSEL array device design and manufacturing technology. Models such as VCSEL Epitaxial Wafer (940nm, 1J,2J,3J,5J,7J), QC85V-S-024 (850nm, 130mW, 24emitter Chip), and QC94V-S-594 (940nm, 4000mW, 594emitter Chip) are provided.
- RF Device (MMIC - Monolithic Microwave Integrated Circuit): A sector providing foundry services and device manufacturing services [cite: database, 2, 5, 27]. QSI possesses InP HEMT-based technology for ultra-high frequency and ultra-low noise characteristics. The INP-DHEMT-100 PDK, utilizing a 100nm gate length, ensures stable performance in cryogenic environments below 4K. The company aims to achieve access to the THz band through the development of its next-generation 50nm gate length INP-DHEMT-050 PDK.RF Device (MMIC - Monolithic Microwave Integrated Circuit): A sector providing foundry services and device manufacturing services [cite: database, 2, 5, 27]. QSI possesses InP HEMT-based technology for ultra-high frequency and ultra-low noise characteristics. The INP-DHEMT-100 PDK, utilizing a 100nm gate length, ensures stable performance in cryogenic environments below 4K. The company aims to achieve access to the THz band through the development of its next-generation 50nm gate length INP-DHEMT-050 PDK.
- Micro LED: A field offering foundry services and device manufacturing services [cite: database, 2, 5, 27]. QSI provides high-efficiency Micro LED epi foundry and device fabrication services for red display light sources. The company is capable of producing devices in various sizes, from 0.5um to 100um. Core technologies include epi structure and growth technology, as well as wafer bonding technology (adhesive/eutectic bonding).Micro LED: A field offering foundry services and device manufacturing services [cite: database, 2, 5, 27]. QSI provides high-efficiency Micro LED epi foundry and device fabrication services for red display light sources. The company is capable of producing devices in various sizes, from 0.5um to 100um. Core technologies include epi structure and growth technology, as well as wafer bonding technology (adhesive/eutectic bonding).
- Core Advantages
- Vertically Integrated Manufacturing System: Establishment of a comprehensive production system, from chip design to packaging, handled in-house. This forms the basis for stable quality control and rapid response capabilities to customer demands.Vertically Integrated Manufacturing System: Establishment of a comprehensive production system, from chip design to packaging, handled in-house. This forms the basis for stable quality control and rapid response capabilities to customer demands.
- Customized Solution Provision: A flexible supply system that differentiates from large, standard-product-focused Japanese companies by offering customized wavelengths, outputs, and forms according to customer requirements. This significantly aids in securing overseas clients.Customized Solution Provision: A flexible supply system that differentiates from large, standard-product-focused Japanese companies by offering customized wavelengths, outputs, and forms according to customer requirements. This significantly aids in securing overseas clients.
- Original Compound Semiconductor Technology: Over 20 years of accumulated laser diode technology and new device development capabilities. Notably, the development of InP HEMT-based cryogenic low-noise amplifier (MMIC) and the goal of developing a next-generation 50nm gate length PDK demonstrate technological leadership.Original Compound Semiconductor Technology: Over 20 years of accumulated laser diode technology and new device development capabilities. Notably, the development of InP HEMT-based cryogenic low-noise amplifier (MMIC) and the goal of developing a next-generation 50nm gate length PDK demonstrate technological leadership.
- Securing Next-Generation Growth Engines: Expansion of its technology portfolio to include LiDAR sensors, VCSELs, Micro LEDs, HEMT-based power semiconductors, 6G communication high-frequency devices, satellite communication, and Terahertz (THz) application devices, aiming to preempt future markets. Participation as a lead institution in national projects related to VCSEL and Flash LiDAR sensor modules ensures advanced technology and a commercialization roadmap.Securing Next-Generation Growth Engines: Expansion of its technology portfolio to include LiDAR sensors, VCSELs, Micro LEDs, HEMT-based power semiconductors, 6G communication high-frequency devices, satellite communication, and Terahertz (THz) application devices, aiming to preempt future markets. Participation as a lead institution in national projects related to VCSEL and Flash LiDAR sensor modules ensures advanced technology and a commercialization roadmap.
- Global Market and Customer Network: Establishment of a stable supply chain and a broad global customer network in major markets such as the USA, Europe, Japan, China, and Taiwan. The company is export-oriented, with exports accounting for 87.83% of total sales.Global Market and Customer Network: Establishment of a stable supply chain and a broad global customer network in major markets such as the USA, Europe, Japan, China, and Taiwan. The company is export-oriented, with exports accounting for 87.83% of total sales.
- Target Industrie
- Laser Diode: Power tools, medical devices (medical, hair loss treatment devices), barcode scanners, laser beam printers (LBP), factory automation sensors, motion sensors, optical pickup units, LiDAR (industrial, autonomous vehicles), gun sights.Laser Diode: Power tools, medical devices (medical, hair loss treatment devices), barcode scanners, laser beam printers (LBP), factory automation sensors, motion sensors, optical pickup units, LiDAR (industrial, autonomous vehicles), gun sights.
- VCSEL: LiDAR (autonomous vehicles, industrial), 3D image sensors (smartphone 3D sensing, facial recognition), heaters, drones.VCSEL: LiDAR (autonomous vehicles, industrial), 3D image sensors (smartphone 3D sensing, facial recognition), heaters, drones.
- RF Device (MMIC): Quantum computing (cryogenic low-noise amplifiers), space, defense, communications (6G communication high-frequency devices, satellite communication, Terahertz applications).RF Device (MMIC): Quantum computing (cryogenic low-noise amplifiers), space, defense, communications (6G communication high-frequency devices, satellite communication, Terahertz applications).
- Micro LED: Next-generation displays (Red Micro LED for displays).Micro LED: Next-generation displays (Red Micro LED for displays).
- Major Markets
- Japan, China, Taiwan, South KoreaJapan, China, Taiwan, South Korea
- Germany, Other European countriesGermany, Other European countries
- USAUSA
- Certifications/Patents
- Acquisition of a patent for semiconductor laser devices and their manufacturing method (2007). This technology involves controlling the ridge shape to implement a real refractive index waveguide for high-power semiconductor laser production.Acquisition of a patent for semiconductor laser devices and their manufacturing method (2007). This technology involves controlling the ridge shape to implement a real refractive index waveguide for high-power semiconductor laser production.
- Acquisition of a patent for a laser-based distance measurement system (2013).Acquisition of a patent for a laser-based distance measurement system (2013).
- Acquisition of a patent for multi-beam laser diodes and their manufacturing method (2008).Acquisition of a patent for multi-beam laser diodes and their manufacturing method (2008).
- Possession of 10 registered patents related to laser diodes (as of 2020).Possession of 10 registered patents related to laser diodes (as of 2020).
- Possession of InGaAs-based HEMT technology that achieved world-class high-frequency performance (813GHz fT, 807GHz fmax) in cryogenic environments. This is essential for next-generation technologies such as quantum computing, aerospace, and ultra-sensitive sensors.Possession of InGaAs-based HEMT technology that achieved world-class high-frequency performance (813GHz fT, 807GHz fmax) in cryogenic environments. This is essential for next-generation technologies such as quantum computing, aerospace, and ultra-sensitive sensors.
- Securing advanced technology and a commercialization roadmap through participation as a lead institution in national projects related to VCSEL and Flash LiDAR sensor modules.Securing advanced technology and a commercialization roadmap through participation as a lead institution in national projects related to VCSEL and Flash LiDAR sensor modules.
Introduction
Location
17 Cheonheung 8-gil, Seonggeo-eup, Seobuk-gu, Cheonan, Chungcheongnam-do, South Korea
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