The lamp that shield an eye is not flashing, but changed to high frequency. Now LED lights are popular, but the use of communication to the dc LED lamp is not flashing, after all, he's a direct current is also a half wave, not straight?
OTT electrical appliances shenzhen | ten steps, readily available, the man said I will not repeat the stomach, LED light bulb is very expensive, not necessary. Energy-saving lamps.
Definitely not blink doesn't exist, such as whichever refers to a kind of luminous principle, can only say that different levels.
Ha ha There are two kinds of LED lights also, communicate in dc and use. But common desk lamp, mostly in the form of dc. You understand dc, ac rectifier, the pulsating dc lamp USES is not such, pulsating dc also need through the filter, is smooth waveform, voltage (or current) waveform into a straight line. So, this desk lamp is not flash. But suggest reading use desk lamp, the best or incandescent lamp, its spectrum make the eye is the most comfortable, reading books is not easy to fatigue, thermal inertia of the filament lights are very stable (not flashing), using fluorescent lamp, energy-saving lamp, the lamp that shield an eye, etc.) can also be, comfort. LED lamp current spectrum is a single, intuitive is very dazzling, used to read easily fatigue, comfort is the worst.
