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Seoul Viosys Co., Ltd.
South Korea
Optoelectronics & Displays: LEDs, LCDs, OLEDs, and laser diodes

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Seoul Viosys Co., Ltd. is a specialized South Korean optical semiconductor manufacturer headquartered in Ansan, Gyeonggi-do. An affiliate of Seoul Semiconductor, the company focuses on compound semiconductor technologies spanning ultraviolet (UV), visible light, and infrared bands, holding thousands of registered patents.

Seoul Viosys is recognized internationally for its proprietary Violeds technology, providing mercury-free UV LED solutions for air, water, and surface sterilization. The company is also at the forefront of next-generation display and communication semiconductor development, including MicroLED and vertical-cavity surface-emitting laser (VCSEL) technologies.

Offer

Seoul Viosys designs and manufactures specialized optical semiconductor chips, packages, and modules:

  • UV LEDs (Violeds): Ultraviolet light-emitting diodes covering UV-A (bonding, curing, 3D printing), UV-B (biomedical, plant growth, skin treatment), and UV-C (275 nm sterilization and chemical-free disinfection of air, surfaces, and drinking water).
  • VCSEL (Vertical-Cavity Surface-Emitting Laser): High-speed laser diodes engineered for optical communication transceivers in AI data centers, 3D biometric sensing, and automotive time-of-flight (ToF) sensors.
  • MicroLED & WICOP Pixels: Stacked micro-scale RGB light emitters and inorganic emissive display solutions designed for smart wearables, automotive displays, and large-format digital signage.
  • UV Sensors & Modules: Integrated ultraviolet sensing components and sterilization modules deployed in consumer appliances like refrigerators, air conditioners, and water purifiers.

Tags

laser diodes
vcsel
optical semiconductors
uvc disinfection
uv led
violeds
microled
Industrial Specializations: Optoelectronics & Displays: LEDs, LCDs, OLEDs, and laser diodes
Headquarter/main address: 97-11, Sandan-ro 163beon-gil, Danwon-gu
Ansan-si
Gyeonggi-do South Korea
Get Directions
https://www.seoulviosys.com
Business Type: Manufacturer
Ownership: Public
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