This document discusses active matrix organic light emitting diode (AMOLED) display technology. It provides details on the physical structure and internal diagram of an AMOLED, how it works by delivering voltage to stimulate the organic layer and turn pixels on and off very quickly. It compares AMOLED to other display technologies like passive matrix OLED and LCD, noting advantages like higher refresh rates, lower power consumption, and better contrast ratio. Marketing terms for different AMOLED variants are also defined, such as Super AMOLED, Super AMOLED Plus, and HD Super AMOLED.