Committed to Innovation and Safety,
    WithsunBio Advances Thermal Wellness Through Relentless Research.

    Technology

    Technology 01

    Patent

    No. 10-1837891

    Korea’s First Patented Liquid-Circulating
    Dual-Jacket wIRA Lamp
    The circulating liquid filter selectively transmits deep-penetrating Near-Infrared-A (wIRA)
    while absorbing mid- and far-infrared wavelengths that can cause surface skin burns.

    Water-Filtered System

    High-efficiency Near-Infrared emission with superior deep-tissue penetration

    Completely leak-proof structure

    Certified Near-Infrared Irradiance Tested by KOPTI (Korea Photonics Technology Institute)

    Technology 02

    Patent

    No. 10-2040916

    Advanced Liquid-Cooling & Thermal Circulation
    System for wIRA Lamps
    By actively dissipating excessive heat from the light source, our system enables safe, close-proximity irradiation at a constant, controlled temperature—delivering deep therapeutic warmth without the risk of burns or skin damage.

    Comfortable Heat Therapy Free from Thermal Stress
    (Sub: Maintains optimal comfort without overheating, even during continuous high-power operation)

    Maximized Energy Delivery via 5cm Ultra-Close Irradiation

    Technology 03

    Patent

    No. 10-2161564

    Patented Infrared Therapy Lamp System

    Eco-Friendly Nitrogen-Filled Lamp
    (Free from hazardous halogen gases, ensuring human and environmental safety)

    Photobiologically Safe for Skin & Eyes
    (Certified 'Exempt' under International Standard IEC 62471)

    High Durability & Extended Lifespan
    (Guaranteed continuous operation: 2,000+ hours)

    Internal Lamp Module (Power ON)
    Internal Lamp Module (Power OFF)
    IEC62471 Test Results : Certified ‘Exempt’ (Zero Risk) for UV, Blue Light, and Thermal Retinal Hazards
    *IEC 62471: International Standard for the Photobiological Safety of Lamps and Lamp Systems (Skin & Eye Protection)
    Optimal Thermal Therapy that Safely Elevates Core Body Temperature
    Delivering Proven Wellness and
    Therapeutic Benefits Through Deep Heat Activation