Researchers based in China report on the fabrication of 270nm-wavelength deep ultraviolet-C (UVC) arrays of micro-LEDs with a view to maskless proximity photolithography [Feng Feng et al, nature photonics, published online 15 October 2024]. The team from Hong Kong University of Science and Technology, Southern University of Science and Technology, Suzhou Institute of Nanotech and Nano-Bionics, comments: “UVC micro-LED arrays are increasingly valued in photolithography and photochemistry as tools for generating arbitrary image patterns and transferrin...

UVT specializes in high-power infrared LED/VCSEL, red EEL, and UV LED packaging technologies, as well as UV LED optical module control systems. In response to the market demand for industry applications, industrial inspection systems, and handshake product services, the exhibitor participated in OPIE Yokohama 2023 held in Japan. TrendForce had the opportunity to interview general manager Ethan Chen to gain further insights into the company regarding market demand, product development, and prospects for 2023. Chen stated that among many applications, U...

High-performance, hermetically sealed packages ideal for sensing applications Silanna UV is pleased to announce the release of two new products in its SF1 235nm and SN3 255nm series of UV-C LEDs: the SF1-3T9B5L1 and the SN3-5T9B5L1. Silanna UV's new UV-C LEDs feature the Transistor Outline (TO-can) package format, which consists of a header and a cap that together form a hermetically sealed package. This innovative design protects sensitive semiconductor components within the package. The header supplies power to the encapsulated components, wh...

Between January 31st and February 2nd, Nichia will exhibit at Photonics West 2023 in San Francisco, CA. Photonics West is the largest international conference and exhibition of optical technology in North America. Leaders from academia, industry, and government will gather to discuss the latest research in areas such as biomedical optics, biophotonics, industrial lasers, optoelectronics, microfabrication, MOEMS-MEMS, displays, and quantum technologies. Nichia will introduce high-power laser diodes with a wide range of wavelengths from ultraviolet to green, which c...

Nichia continues to demonstrate its commitment to UV-C LED technology with mass production of the high output 280nm NCSU434C.   Nichia, the world’s largest LED manufacturer and inventor of the high-brightness blue and white LED, began mass production in December of another new high radiant flux UV-C LED suitable for industrial water and air applications.  Helping inactivate and sterilize various bacteria, Nichia's NCSU434C cuts through any marketing gimmicks to provide uncompromised performance and lifetime that can truly enable U...

ANSAN, South Korea – Seoul Viosys (“SVC”) (KOSDAQ: 092190), a global optical semiconductor company, conducted a test on air sterilization by air purifiers sold in the market. The test confirms that bacterial growth and its leakage occur through the filters. The Company announced filters in air purifiers and air sterilizers can cause viral infection and virus spread.   The Company commissioned a research institute K, an internationally certified testing and research institute, to conduct a ‘test on bacterial residue count’ to chec...