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Red light falls into the visible part of the light spectrum between 630-700 nm on the electromagnetic scale and is used to treat the surface of the skin. Near-infrared wavelengths fall into the invisible part of the light spectrum between 700 and 1200 nm.

Near-infrared light, with wavelengths between 700 – 1400 nm, generates the most heat but does not penetrate deep into human tissues. In addition, the 760 – 895 nm range of infrared light can stimulate the mitochondria function, which can increase metabolism, improve tissue repair, and reduce inflammation

Active near-infrared illumination allow people or animals to be observed without the observer being detected. Flexible infrared LED strips are invisible light, putting the IR strip under the Camera with Night Vision (NO IR filter), you can see a red spot. These LED light strips are great for surveillance or security, the multi-touch display, and Night Version Light.

Application of Infrared LED Beads in Infrared Therapy Lamps: Common Wavelength Combinations and Product Types

Infrared LED beads are widely used in infrared therapy lamps due to their non-invasive nature, safety, and portability. These lamps utilize specific infrared wavelengths to penetrate tissues, promoting blood circulation, pain relief, and anti-inflammatory effects. Below are the common wavelength combinations, product types, and their applications.

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1. Common Wavelength Combinations and Their Effects

Infrared therapy typically utilizes near-infrared (NIR), mid-infrared (MIR), and far-infrared (FIR). The most commonly used wavelengths include:

Near-Infrared (700nm–1400nm)

• Common wavelengths: 850nm, 810nm, 940nm

• Characteristics: Deep penetration (5–10 mm), directly affects muscles and nerves, enhances cell repair and ATP production.

• Applications: Deep tissue repair, arthritis, muscle pain.

Far-Infrared (1400nm–3000nm)

• Common wavelengths: 1550nm, 2000nm

• Characteristics: Absorbed by water molecules, producing a thermal effect that improves blood circulation and metabolism.

• Applications: Chronic pain, rheumatism, skin inflammation.

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2. Main Product Types

(1) Portable Therapy Devices

• Infrared LED braces (e.g., waist belts, knee pads, wristbands)

  • Equipped with 850nm/940nm LED arrays for localized pain relief.

  • Advantages: Lightweight, wearable, suitable for home use.

• Handheld therapy devices

  • Small, focused devices (e.g., 810nm for joint or acupoint therapy).

(2) Fixed Therapy Lamps

• Panel-type infrared lamps

  • Large LED arrays (often combining 850nm and 940nm) for back or full-body therapy.

  • Example: Medical-grade red light therapy panels (often paired with 660nm red light for enhanced effects).

• Desk/floor lamps

  • Far-infrared ceramic or LED sources (e.g., 1550nm) for gentle heat therapy.

(3) Multi-Wavelength Combination Devices

• Red + Infrared combo therapy

  • E.g., 660nm (red) + 850nm (infrared) for skin repair and deep anti-inflammation (acne treatment).

• Infrared + Thermal therapy

  • Far-infrared LEDs combined with heating elements (e.g., carbon fiber) for enhanced warmth.

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3. Wavelength Ratio Configurations

Different wavelength combinations are optimized for specific therapeutic effects:

(1) Single-Wavelength Dominant

• 850nm (NIR)

  • Best for deep muscle/joint pain (e.g., arthritis).

(2) Dual-Wavelength Synergy

• 660nm (red) + 850nm (NIR)

  • Ratio: 1:1 or 2:1 (more red light for skin repair).

  • Used in acne treatment + pain relief devices .

• 810nm + 940nm (dual NIR)

  • Ratio: 3:2 (more 810nm for nerve repair).

  • Used in neuropathic pain devices.

(3) Triple-Wavelength Combination

• 630nm (red) + 810nm + 940nm

  • Ratio: 3:4:3 (balanced for skin, blood flow, and muscles).

  • Used in full-body recovery panels .

• 850nm + 1070nm + 1550nm

  • Ratio: 5:3:2 (deep healing + metabolic boost).

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4. Key Considerations

• Penetration depth: NIR (850nm) for deep tissue, FIR (1550nm) for thermal effects.