In the quest to improve the picture quality, LED TV manufacturers have introduced several new technologies to help achieve the sharpness and black levels we’re used to seeing with plasma-based flat-screen TVs. One such improvement comes in the way that LED TVs are illuminated. In this post we discuss the various benefits of the four different backlight methods incorporated in LED TVs. We also explain the differences between “full-array” and “edge-lit” backlighting and also discuss how local dimming can make a difference in picture quality. Continue reading