Business Wire

Seoul Viosys Provides Air Purifier Sterilizers, Which Dramatically Reduce the Risk of COVID-19 Infection, to 300 Small Businesses in Korea for Free

3.12.2021 08:59:00 EET | Business Wire | Press release

Share

While Living with COVID-19 campaign has kicked off in earnest, Seoul Viosys Co., Ltd. (KOSDAQ: 092190), a company specializing in optical semiconductors, provided Violeds Air Purifying Sterilizers that can reduce the indoor COVID-19 infection rate by 1/30 to 300 Korean facilities free of charge, with a good intention to support Korean small business owners. In addition, it announced that it would provide the Air Purifying Sterilizer license to the partners who can supply them worldwide.

This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20211202006063/en/

To view this piece of content from mms.businesswire.com, please give your consent at the top of this page.

Air flow analysis while the air purifier sterilizer is running (Graphic: Business Wire)

Seoul Viosys conducted an air sterilization experiment based on the study of the Korea Central Disease Control Headquarters and the Korea Institute of Science and Technology (KIST), which found out that opening windows frequently can lower the infection rate. When compared to opening windows and ventilating every 10 minutes, the amount of ventilated air with the Violeds air purifier is 6 times bigger, which means that the virus concentration is lowered by 1/6. Along with that, the simulation results confirmed that the chance of infection could be reduced by 1/30. Based on this result, Seoul Viosys designed an air purifying sterilizer to minimize the floating of droplets by optimizing air flow. And it obtained KC certification for the safety of consumers.

A general air purifier HEPA filter can filter fine dust and droplets with a size of 0.3 micrometers (μm) or more. However, since the size of the COVID-19 virus is smaller than 0.1 μm, and the moisture-evaporated virus can pass through the HEPA filter, the general HEPA filters are inadequate to reduce COVID-19 infection. In contrast, the Violeds air purifying sterilizer designed with a triple filter structure can prevent the inflow of the virus by sterilizing 90% of them within 5 minutes, which were carried in droplets and attached to the filter surface. As Violeds technology is the world's first patented technology developed and mass-produced by Seoul Viosys, the license agreement is essential for the business.

"Just as people have the right to drink clean water, we should be able to breathe clean air in indoor spaces," said Lee Young-joo, CEO of Seoul Viosys. "With our Violeds air purifier sterilizers, I hope the government, construction companies, and large multi-use facilities will take an active role in restoring the daily life of people and bringing them back a little bit of happiness, like eating out and drinking a cup of tea."

About Seoul Viosys

Seoul Viosys is a full-line solution provider for UV LED, VCSEL (Vertical Cavity Surface Emitting Laser), the next-generation light source for 3D sensor and laser, and a single-pixel RGB “Micro Clean Pixel” for displays. Established in 2002 as a subsidiary of Seoul Semiconductor, it captured the No. 1 market share in the UV LED industry (LEDinside, 2020). Seoul Viosys has an extensive UV LED portfolio with all wavelengths range (200nm to 1600nm) including ultraviolet rays (UV), visible rays and infrared rays. It holds more than 4,000 patents related to UV LED technology. Violeds, its flagship UV LED technology, provides a wide range of industries with optimal solutions for strong sterilization and disinfection (UVC), skin regeneration (UVB), water/air purification and effective cultivation for horticulture. In 2018, Seoul Viosys acquired RayCan, a leading optoelectronic specialist, to add the advanced VCSEL technology which supports smartphone facial recognition and autonomous driving, and has started its mass production. In January 2020, it introduced a disruptive “Micro Clean Pixel” that has the potential to be a game-changer in the display market. To learn more, visit http://www.seoulviosys.com/en/.

To view this piece of content from cts.businesswire.com, please give your consent at the top of this page.

Contact information

Seoul Semiconductor Co., Ltd.
Jinseop Jeong
+82-70-4391-8555
jjs8732@seoulsemicon.com

About Business Wire

For more than 50 years, Business Wire has been the global leader in press release distribution and regulatory disclosure.

Subscribe to releases from Business Wire

Subscribe to all the latest releases from Business Wire by registering your e-mail address below. You can unsubscribe at any time.

Latest releases from Business Wire

Kioxia and Sandisk Begin Production of 10th-Generation 3D Flash Memory Products at Kitakami Plant Fab23.7.2026 13:19:00 EEST | Press release

Kioxia Corporation, a subsidiary of Kioxia Holdings Corporation (TOKYO: 285A) and Sandisk Corporation (Nasdaq: SNDK) today announced the start of production for their 10th-generation 3D Flash memory technology at Fab2 (K2) at the Kitakami Plant in Iwate Prefecture in Japan. The milestone comes as the companies continue to drive meaningful, multi-year bit growth to address the strong demand for their innovative flash memory technology. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260702296115/en/ Unveiling ceremony for the K2 facility In conjunction with the start of production, the companies held an unveiling ceremony for the K2 facility. Opening in September 2025, the facility has produced the companies’ 8th-generation 3D flash memory products and will begin to scale production with the introduction of their 10th-generation products. Both generations of 3D flash memory adopt innovative CBA (CMOS directly Bonded to Array)

VeriSilicon Introduces CPP2000 Camera Post-Processing IP for Embodied Robotics and Mobile Vision Applications3.7.2026 13:02:00 EEST | Press release

VeriSilicon (688521.SH) today announced its high-performance CPP2000 Camera Post-Processing (CPP) IP, expanding the company’s Image Signal Processing (ISP) solutions with advanced post-processing capabilities. By improving image quality and visual perception in mobile imaging scenarios, CPP2000 enables more reliable vision performance in robotics, drones, and other mobile vision applications. CPP2000 integrates multiple image processing technologies and can further optimize YUV images output from image signal processors. The IP supports image and video processing at up to 8K resolution and offers multiple hardware configuration options to meet diverse requirements in Power, Performance, Area (PPA), and latency across different applications. CPP2000 leverages the combined operation of multiple image processing technologies, including motion-compensated temporal filtering, advanced spatial noise reduction, chroma adjustment and dynamic contrast improvement, and edge enhancement. Together

Messer Acquires Singapore-Based Industrial Gas Platform; Japan Corporate Advisory Institute Advises Sellers3.7.2026 12:11:00 EEST | Press release

Messer, the world’s largest privately held specialist for industrial, medical, electronic and specialty gases, has acquired WKS Group, a Singapore-based industrial gas platform with operations across Singapore and southern Malaysia. Transaction terms were not disclosed. Messer reported consolidated sales of approximately EUR 4.5 billion for its 2025 financial year. Founded in Singapore in 1977, WKS Group comprises six companies and employs approximately 195 people across Singapore and southern Malaysia. The acquisition expands Messer’s operating footprint in Southeast Asia and strengthens its access to key industrial clusters across the region. “We are pleased to have completed this transaction with Messer, whose strategic vision makes them an excellent partner for WKS Group,” said Mr. Wong Koh Hoi, shareholder of WKS Group. “We appreciate JCAI’s professionalism and dedication throughout the process, and their expertise was instrumental in achieving a successful outcome.” Japan Corpora

Access Advance Welcomes Meta Platforms, Inc. and Alibaba Group to the Video Distribution Patent Pool3.7.2026 02:00:00 EEST | Press release

Access Advance LLC today announced that Meta Platforms, Inc., one of the world's largest distributors of video content across its Facebook, Instagram, Threads, and WhatsApp services, has joined the Video Distribution Patent Pool (VDP Pool) as a Licensee. Meta also joined both the HEVC Advance and VVC Advance pools as a Licensee. Alibaba Group, whose video infrastructure spans a wide range of video-based services across e-commerce, entertainment, and digital media platforms, was also announced as a VDP Pool Licensee this week. Meta and Alibaba joining the VDP Pool further reinforces the program’s market leading position in resolving the licensing issues around the use of modern video codecs, including VP9, AV1, HEVC and VVC, across all the diverse business models of internet video streaming. "A significant U.S.-based company like Meta joining as a Licensee is a milestone moment for the content distribution business and the VDP Pool," said Peter Moller, CEO of Access Advance. "Meta reach

Kioxia Commences Sample Shipments of 10th-Generation BiCS FLASH™ Devices Delivering High Performance, High Capacity and Low Power Consumption3.7.2026 02:00:00 EEST | Press release

Kioxia Corporation, a world leader in memory solutions, today announced that it has commenced sample shipments of 1Tb (terabit) Triple-Level-Cell (TLC) memory devices utilizing its 10th-generation BiCS FLASH™ 3D flash memory technology.1 These will be primarily integrated into the company’s enterprise and data center SSDs, strengthening Kioxia’s lineup to meet the growing demand for AI storage, which requires higher performance, higher capacity, and lower power consumption. These new products will be manufactured using state-of-the-art equipment at Kioxia’s Kitakami Plant Fab2 facility in Iwate Prefecture, Japan. By leveraging innovative CMOS directly Bonded to Array (CBA) technology2 and On-Pitch Select Gate Drain (OPS) technology,3 both adopted since the 8th-generation BiCS FLASH™, the 10th-generation technology achieves a NAND interface speed of 4.8 Gb/s,4 a 33% improvement over the 8th generation. Bit density has increased by 59% by stacking 332 layers and improving lateral density

In our pressroom you can read all our latest releases, find our press contacts, images, documents and other relevant information about us.

Visit our pressroom
World GlobeA line styled icon from Orion Icon Library.HiddenA line styled icon from Orion Icon Library.Eye