Biomedical LEDs — Advanced LED Solutions for Industrial Applications

Application Overview

QUEENDOM’s Biomedical LED portfolio targets the rapidly expanding field of photomedicine, where specific light wavelengths trigger biological responses for therapeutic and diagnostic applications. The portfolio covers the key therapeutic windows: red (630-660nm) for superficial tissue treatments including wound healing, collagen stimulation, and anti-inflammatory effects; near-infrared (800-850nm) for deeper tissue penetration in muscle recovery, joint therapy, and neurological applications; and blue (400-470nm) for acne treatment and antimicrobial photodynamic therapy (aPDT). Unlike broad-spectrum light sources that waste energy in non-therapeutic wavelengths, our biomedical LEDs emit narrowband spectra (±10nm) that precisely match the absorption peaks of target chromophores — cytochrome c oxidase for red/NIR mitochondrial stimulation and porphyrins for blue-light antimicrobial action. The ceramic package platform provides the thermal stability required for high-irradiance medical devices (50-200mW/cm²) without the heat damage risks of halogen or incandescent sources. All biomedical LEDs are manufactured under ISO 13485 quality management with full traceability for FDA 510(k) and CE-MDR medical device submissions. The consistent optical output (±5% power variation) ensures repeatable dose delivery across treatment sessions and device units.

Technical Specifications

• Wavelength Range: Application-specific (see product datasheet)

• Optical Power: 1mW to 15W depending on configuration

• Package Options: 0603, 0805, 2835, 3535, 5050, 7070 ceramic

• Operating Temperature: -40°C to +85°C (industrial grade)

• Viewing Angle: 30° to 180° (lens and package dependent)

• ESD Protection: HBM 2000V-8000V

• Lifespan (L70): > 50,000 hours at rated current

Application Cases

Red Light Therapy Device for Wound Care

A US medical device company developed an FDA-cleared wound healing device using our 660nm red LEDs. The 100mW/cm² irradiance delivered 4J/cm² dose in 40 seconds, accelerating chronic wound closure by 40% compared to standard care in clinical trials. The 660nm wavelength matched the cytochrome c oxidase absorption peak, triggering increased ATP production and fibroblast proliferation. The ceramic package maintained <2°C temperature rise during treatment, preventing thermal tissue damage. The device achieved 510(k) clearance with our complete optical and biological safety documentation. Near-Infrared Brain Photobiomodulation A neuroscience research group at a major university used our 810nm NIR LEDs in a transcranial photobiomodulation device for traumatic brain injury rehabilitation. The 200mW/cm² irradiance with 10Hz pulsing delivered 12J/cm² to cortical tissue. fMRI studies showed increased cerebral blood flow and oxygenation in treated regions. The narrow 810±10nm spectrum avoided off-target heating from broader light sources. The consistent ±3% power output enabled reproducible dosing across 50-patient clinical trials. The research supported a Breakthrough Device Designation from FDA. Recommended Products • 3535 Ceramic LED Chips — Precision devices for medical and therapeutic applications • UVB 311nm LED for Phototherapy — Medical phototherapy for psoriasis and vitiligo treatment • SWIR LED Chips (970-1700nm) — Short-wave infrared for advanced medical imaging and diagnostics Certifications CE | RoHS | REACH | LM-80 tested | IEC 62471 | ISO 9001 Contact QUEENDOM Email: sales@queendomlamp.com Website: www.queendomlamp.com

Related Products

• 3535 High-Power PCR LEDs
• 5050 PCR LEDs
• 5mm Through-Hole PCR LEDs

Further reading: Biomedical LEDs Solutions · PCR Fluorescence Analysis Case