Heat dissipation mechanism

The greatest threats are heat to led   the heat will not just affect electrical performance , also will damage led. the led of work for a stable and long time , this work status is key technology for led packages, so thermal analysis of LED Packages based on Heat is import for led packages

Heat dissipation mechanism

The greatest threats are heat to led   the heat will not just affect electrical performance , also will damage led.  the led of work for a stable and long time ,  this work status is key technology for led packages, so thermal analysis of LED Packages based on Heat is import for led packages

A difference between blue light and ultraviolet rays

Mary people thought the blue light is ultraviolet rays, reason is ultraviolet rays with faint blue light. follow , we will talk that blue light and ultraviolet is differentia.

Ultraviolet rays
The ultraviolet rays is general name for wavelength(10nm~400nm) in electromagnetic spectrum. the ultraviolet rays is invisible light, ultraviolet rays divide into three type wavelength: UVA,UVB and UVC.
in generally we saw light of ultraviolet rays is cross point color of ultraviolet rays and blue light.

Blue light
The blue light is complex light from sun seven light, the main wavelength of blue light is in 425-480nm, it is visible light source.   the visible wavelength of blue light is in 380～760nm. the wavelength can create an optical illusion for human’ eyes .the blue light has satisfactory static. it is wonderful light.

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