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**Petwrenny** · 04-12-2010, 05:40 AM

Most desktop LCD screens use CCFL. I think LEDs are occasionally pulsed for increased brightness but I am not certain. I think this technique is most often used on things like car blinkers and traffic lights and not displays. However I use this technique for my LED matrix screens in electronics class.

04-12-2010, 05:40 AM	#8
Petwrenny Join Date Oct 2005 Posts 400 Senior Member	Most desktop LCD screens use CCFL. I think LEDs are occasionally pulsed for increased brightness but I am not certain. I think this technique is most often used on things like car blinkers and traffic lights and not displays. However I use this technique for my LED matrix screens in electronics class.
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