When the brightness of the phone using the AMOLED screen lower the brightness past a certain point, the screen starts to flicker or pulsate. This is a result of the AMOLED technology Samsung, among other manufacturers, use in their displays, and the way that these types of screens operate. With a traditional LCD screen, a light is projected through the array of pixels to increase or decrease their luminosity, and brightness adjustments are made by simply dimming this light. But with AMOLED