Is the desk lamp for pupil's homework good for Huang Guanghao or white light?
The traditional light bulb, but lack of brightness, belong to the heat source, but light stimulation, cold light color white or blue, light yellow, a long time will cause visual fatigue, there is a strong stimulus to the eyes, blue and green color in the spectrum of large recommend the use of fluorescent lamp LED cold light source is warm.
The fluorescent lamp (light stick) according to the fluorescent powder of different materials, soft light, can be divided into cold and warm light, but the brightness of fluorescent lamp is stable, according to a visual fatigue;
The most suitable for reading, the use of time, it is easy to cause eye fatigue; warm light pipe line yellow, spectral distribution evenly, light more soft, higher light intensity;
