Portable LED hair removall–EpiMED LED
How do LEDs work?
Because longer wavelengths reach deep into the epidermis.
You can get a reliable hair removal effect like a medical laser,With low heat generation and powerful cooling function.
1.handle
2.15 inch true color LCD touch screen
3.Abnormal stop switch
4.Main switch
High stability of irradiance and light longevity, fast irradiation speed, high instant LED with characteristics such as efficacy.
Thanks to USA LaserTel Laser Bars, we are proud to offer our customers a 12 month or 10 million shots warranty on our handpieces, whichever comes first !
(Usually 20 million shots for lifetime)
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Diode laser
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LED
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LED Advantages
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Thermal damage
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Light power
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Similar
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Thermal power
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Similar
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Chip size
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1*10mm
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7.5*7.5mm
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Conclusion
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Similar total thermal power, LED has bigger heat dissipation are and smaller heat flow density.
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Heat transfer patch
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Pass to the bottom and rear Average path is 1.5mm
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Pass to the bottom Average path is just 0.2mm
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Conclusion
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LED has very short heat transfer path, lower thermal resistance and much higher efficiency of heat dissipation.
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Mechanical damage
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Stress
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Rectangle, high length-width ratio. Under stress of thermal deformation and thermal fatigue, chips easily desoldering or broken in
pulsed working |
Square, 1:1 length-width ratio. Extra thin chip and large soldering area firmly but low stress.
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Conclusion
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Because of chip structure, LED chip’s stress is smaller than diode laser
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Optical damage
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Light power
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Similar
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Light emitting area
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Size 0.01*0.1mm High brightness, foreign body pollution can cause light-emitting surface burned
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Size 5*5mm Brightness is just similar to normal LED lamp of flashlight, slight dust will not being ignited to burn the lighting
surface |
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Conclusion
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Because of surface emitting, the brightness of LED light emitting area is much smaller than diode laser.
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Chain damage
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Not like diode laser, for LED chips, single area’s failure does not affect other emitting area
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Before & After
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