Red light hair growth devices (such as hair growth caps, шлемы, and combs) use Low-Level Laser Therapy (ООО «ЛЛТ») with 650–670 nm red light to stimulate hair follicles and promote hair growth, offering an innovative solution in alopecia treatment. The choice of light source directly determines device efficacy, расходы, market positioning, и пользовательский опыт, making it a core consideration for manufacturers designing hair growth products. Current mainstream light sources include Vertical-Cavity Surface-Emitting Lasers (VCSELs), Edge-Emitting Lasers (EELs), and Light-Emitting Diodes (светодиоды). They differ significantly in beam characteristics, точность длины волны, эффективность, lifetime, and applicable scenarios.
Differences of Red Light Hair Growth Light Sources
VCSEL/EEL/LED
|
Параметр
|
VCSEL
|
УГОРЬ
|
ВЕЛ
|
|---|---|---|---|
|
Light Emission
|
Vertical Cavity Surface Emitting Laser
|
Edge Emitting Laser
|
Omnidirectional Light Emitting Diode
|
|
Упаковка
|
СМД
|
TO
|
СМД
|
|
Appearance
|
Small size, Light weight
|
Большой размер, Heavier
|
Small size, Light weight
|
|
Light Spot
|
Circular
Concentrated beam |
Elliptical
Relatively concentrated beam |
Circular
Dispersed beam |
|
Angle
|
<20°
|
~40°
|
180°
|
|
Продолжительность жизни
|
>50,000 часы
|
~20,000 hours
|
~50,000 hours
|
|
Приложение
|
Hair Growth Cap/Helmet
(High-end) |
Hair Growth Cap/Hair Growth Comb
(Средний уровень) |
Hair Growth Cap/Healthy Hair Comb
(Начальный уровень) |
1. VCSEL (Vertical-Cavity Surface-Emitting Laser)
Характеристики: Circular beam, small divergence angle (10–20°), wavelength 650–670 nm, efficiency 30%–40%, lifetime 20,000–50,000 hours, power 5–10 mW, easy to integrate.
2. УГОРЬ (Edge-Emitting Laser)
Характеристики: Elliptical beam, large divergence angle (10–50°), wavelength 630–670 nm, efficiency 20%–30%, lifetime 10,000–20,000 hours, power 5–10 mW, large size.
3. ВЕЛ (Light-Emitting Diode)
Характеристики: Incoherent light, large divergence angle (120°), wavelength 620–700 nm, efficiency 10%–20%, lifetime over 50,000 часы, power 10–20 mW, easy to integrate.
Pureluxtech Red Light VCSEL Solution for Hair Growth
Pureluxtech focuses on R&D of red light sources for hair growth and offers VCSEL light sources in 2835, 3030, 5050, и 5730 packages, specifically designed for hair growth devices. Длина волны: 650–670 nm, власть: 5–10 mW, эффективность: 30%–40%, lifetime: 20,000–50 000 часов. Using high-quality chips, the light source provides uniform beam, low heat generation, and complies with RoHS and FDA certifications.
