QLED TV is a new television technology that is taking many of its cues from OLED TV technology. It consists of extremely small light-emitting crystals called quantum dots. Most TVs today including all of those made by companies and just about every other TV brand are based on decades-old LCD, or liquid crystal display, technology. In the past few years' Better technology and more advanced manufactured, called OLED or organic light-emitting diode. OLED TVs have the best picture quality we've ever tested, keeping LCD-only companies from achieving the coveted top positions on certain lists. At the moment a new TV display technology on the horizon called QLED, and it might be even better than OLED and LED. Short for "quantum dot light emitting devices," QLED has the potential to match the infinite contrast ratio of OLED, with better power efficiency, better color and more .In this article we will discuss about the QLED and OLED display technology.