Q:Is there any flicker in the LED bulb?

Really, the voltage in our home is likely to lead to fluctuations in the LED bulb strobe in public, voltage instability will be more common, but most of the voltage is relatively stable, does not appear large fluctuations, so the strobe is not violent, but the fact is there. Questions raised by the questioner can show that you are observant.

Q:LED what kinds of screw bulbs are there?

LED bulb adopts the existing method of incandescent lamp interface, the general screw is E27E14E40 (three). E for screw holes, figures for size, diameter, size. The most commonly used are the E27 sizes, and the E14 is used in small bulbs, such as refrigerators and E40, for larger power.

Q:Secret LED bulb bubble price difference why so big?

Component material. Whenever cheap prices are shoddy, without exception

Q:LED bulb is broken. The luminous patch is not bad. Can it be made into USB lamp?

Cannot connect directly. LED bulb is usually a series of LED series, and then parallel, generally about 12V. Single chip LED generally rated voltage at 3.0V~3.6V, USB, output voltage of about 5.0V.

Q:Seeking the production process of LED bulb... Thanks

10 points, Baidu wants to be a LED engineer. LZ is a real budget man

Q:What is the AC voltage of the LED bulb?

The LED lamp is either a constant voltage drive or a constant current drive without AC voltage. Generally through the drive circuit filter rectifier, LED bulb bulb voltage is about 10V. Add: different drive circuits, different amounts of LED chips, the final voltage is different.

Q:What brand of LED bulb is good in quality?

The price of these lamps is very low, but the quality is not guaranteed at all. The purpose of this article is to teach consumers to distinguish the quality of LED bulbs on the market so as not to be cheated. So, which brand LED bulb is good, choose a good brand, first of all should first understand how the quality of its products

Q:Can the bulb's true life reach 30000~50000 by LED?

LED life and quality, work current and many other factors. Life is calculated according to the half of the light

Q:LED bulb bulbs, do you need 3C certification now?

Simple bulb does not require 3C or CQC certification.Only with lampholders, and then judge according to the situation.

Q:Choose which light bulb LED bulb is the healthiest

The two said warm light, power, color temperature and so on have little to do with health