While it looks cool, products with words and symbols in blue light are more difficult to quickly read and identify since the wave length of blue light is known in Physics for its easily scattered characteristics.

• 然而，蓝光炫归炫，就物理学上的特性而言，蓝光其实是最容易散射、不容易集中的波长光域，用来作为显示照明用途，辨识度其实并非最好。