"The LADIS Lamp DISinfection, a cap‑type drinking‑water UV sterilizer, has been recognized for its innovative approach to safe drinking water in underserved communities. Designed by Hwanjong Oh, the device combines compact form, solar‑powered operation, and a user‑friendly cap that can be attached to standard water bottles, delivering rapid UV sterilization that eliminates harmful pathogens. Hwanjong Oh, a designer originally from Laos now based in the Republic of Korea, created the LADIS Lamp to address the persistent challenge of water‑borne diseases"
"Key features of the LADIS Lamp include its portability, as the cap‑type design fits on most water bottles, making it easy to carry and use on the go; its solar power capability, with a small solar panel integrated into the cap that charges an internal battery, enabling off‑grid operation; its rapid sterilization, where UV‑LED technology provides disinfection in under 30 seconds, ensuring immediate access to safe water; and its durability, thanks to an aluminum housing that resists corrosion and impact, suitable for rugged environments."
"Beyond its technical merits, the LADIS Lamp embodies a user‑centered philosophy. By turning a familiar object, a bottle cap, nto a health‑saving tool, the design reduces the learning curve for users unfamiliar with complex water‑treatment systems. The project has been praised for its practicality, low energy consumption, and potential to improve public health in remote regions , fulfilling its mission of "safe water anytime, anywhere.""
LADIS Lamp DISinfection is a solar‑charged, cap‑type UV‑LED sterilizer that fits most standard water bottles and provides pathogen elimination in under 30 seconds. The lightweight aluminum cap houses a UV‑LED module and an internal battery charged by an integrated solar panel for off‑grid use. The device achieves portability, durability, low energy consumption, and rapid disinfection, making it suitable for rugged and remote environments. The design reduces the learning curve by leveraging a familiar bottle‑cap form factor. The project earned recognition as a 2025 Seoul Design Award finalist for its sustainability and social‑impact focus.
Read at Yanko Design - Modern Industrial Design News
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