In indoor commonly used light source, color temperature chooses 3000-4000K. As shown above, incandescent lamps (tungsten filament lamps) and oleds are ideal light sources (spectra). Incandescent lamp advantage is the price is cheap, but waste electricity, easy calorific, illumination illuminance is insufficient wait for shortcoming to be abandoned gradually; OLED light source is a new type of mainstream light source in recent years, especially in the field of visual desk lamp. But the high cost of oleds has put some consumers off.

The author suggests, for the family to choose a good light source for oneself, office study, not bad money choose OLED light source, its life 30,000-40000 hours, a lamp of one thousand two thousand yuan, with 10 years a day also not much money; Of course, what price respect waits for consideration can choose tungsten filament lamp appropriately, raise house whole brightness appropriately at the same time (turn on namely advocate lamp + desk lamp).
Protect the eyes, in addition to create a good light environment, choose high-quality desk lamp, the most important or we use the eye habit, do science with the eye, after all, electronic products also have a lot of blue light; Finally proper outdoor exercise, pay attention to diet and rest time.
Love eye, protect eye, science USES eye, eye bath sunshine.