Graph 2

Change in the spectrum of HIMAWARIR sunlight
in a course of one day HIMAWARIR sunlight
reflects the exact changes of the natural sunlight.
Its tone and tint vary hour by hour from the morning,
the daytime to the evening.
Graph 3

White fluorescent light vs.HIMAWARIR sunlight
The light of white fluorescent lamp consists in a
range of visible light over its center to blue wavelength.
It also has very sharp peaks sporadically.
Graph 4

Halogen beam light vs.HIMAWARIR sunlight
The halogen beam light for display consists of
longer wavelengths towards red.
It also emits a lot of heat.