This study initiatively developed the phosphor-free LED lamp based on high-efficiency yellow LED, and explored the ...

Depending on whether the colour spectrum chart you’re looking at lists yellow as its own colour (approximately 560 to 590nm) or lumps it together with orange for a wavelength range of 560 to 625 ...

Yellow light has been proven to improve the texture of skin, and infrared light helps with skin elasticity. With so many benefits, it's no wonder that there seems to be a new LED product on the ...