LEDs inside flicker when dimming on and off?
01-22-15 | 05:05 PM
#1
Thread Starter
Pole Position
Joined: Oct 2012
Posts: 249
Likes: 2
From: NJ
LEDs inside flicker when dimming on and off?
I just replaced my dome lights in front and back of cabin with Blue LEDs. They all sort of flicker a bit when they dim on and off. Is this normal?
01-23-15 | 11:22 AM
#3
Rookie
Joined: Jul 2014
Posts: 46
Likes: 0
From: Barrie, Canada
Yes. Dimming is mimicked by turning the bulb on and off repeatedly. This works for a halogen bulb as it takes awhile for the bulb to charge up. This is almost instant for led which is why you actually see each on/off sequence.
01-23-15 | 01:34 PM
#5
Lexus Test Driver
Joined: Jan 2014
Posts: 868
Likes: 6
From: BC
Standard filament style bulbs vary the light output based on the voltage being applied to them.
LEDs on the other hand require a certain voltage before they turn on and operate properly. Without sufficient voltage they tend to flicker.
In order to create a nice dimming effect your car will increase the voltage up to 12V over a few seconds. This works for the incandescent bulbs but not the LEDs.
LEDs on the other hand require a certain voltage before they turn on and operate properly. Without sufficient voltage they tend to flicker.
In order to create a nice dimming effect your car will increase the voltage up to 12V over a few seconds. This works for the incandescent bulbs but not the LEDs.
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