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Does a LED backlight need a resistor?
Posted: Mon Oct 29, 2018 8:32 pm
by Megacircuits
Can I turn on a LED backlight without a resistor?
Re: Does a LED backlight need a resistor?
Posted: Tue Oct 30, 2018 8:36 pm
by LCD_Designs
Yes, there needs to be a resistor in series with the positive side of the power supply. The smaller the resistor, the brighter the backlight. The brighter the backlight, the shorter it's half-life. What in the world is half-life? click here.
https://focuslcds.com/journals/the-half ... acklights/