Elitneon
Elitneon
Among the issues of LED lights dimmability is one of the latest challenges still yet to be fully solved. Dimming led skylt utomhus is theoretically easy, because analogue dimming, that is the adjustment of current, has long been an option. However, this method only works safely when used with one led skylt utomhus bulb. Systems of LEDs require a more sophisticated method of dimming. The two basic forms of dimming are the PWM or Pulse-Width-Modulation and the analogue dimming, both of which are switched-mode regulators. These two types are similar in the sense that they both control the time-averaged current through the diode.
Analogue dimming is a very simple way of dimming, it is the adjustment of cycle-by-cycle of the led skylt utomhus current regulated with a potentiometer. The current is adjusted to the LED increasing and decreasing its intensity.
The disadvantage of analogue dimming is that it only works safe as long as we dim a single light bulb. Systems of LED lights require a more refined technique. The difficulty of dimming a system of LED lights is that there are many types of led skylt utomhus , requiring different methods for dimming. If there is a system of lights we would like to dim, the various led skylt utomhus may react diversely to the same amount of current, and as the current is reduced some led skylt utomhus can turn off later or sooner than others. Also, analogue dimming largely changes the colour of the light, similarly to when it is used with incandescent lights.
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