The main difference that you need to know is that a direct lit fixture is illuminated by a light source that is at the back of the panel. For this reason, they are a bit thicker, usually around 3 For the QLED, we took results from Samsung’s Q90/Q90T QLED, and the Full Array LED was Sony’s X900H. The Full Array LED covered 85.7% of the DCI-P3 gamut, and the QLED covered 89.1%. So with a second category going to QLED panels, this continues to be a tight race. The brightness of TVs, smartphones, and other digital screens is measured in “nits.”. OLED TVs usually have a peak brightness of around 500-800 nits, while LED TVs have a peak brightness of 1,000-2,000 nits, and QLED TVs can get up to 4,000 nits. While it is true that OLED TVs produce the best image quality, the screen can also appear dull A back-lit LED panel is made of an array of LEDs fitted on a horizontal plate shining vertically down through a diffuser into the space to be illuminated. Back-lit panels are sometimes also known as direct-lit panels. An edge-lit LED panel is made of a row of LEDs attached to the frame (or circumference) of the panel, shining horizontally into 6 days ago · In the case of "LED Backlight" below to distinguish between the two technologies: Edge LED and Direct LED. In the case of Edge-LED, the LEDs are only on the edge of the TV and illuminate the image. With Direct-LED backlight is widely. Edge LED TVs are slightly thinner than the TV's with Direct-LED, however, these have a better picture. LG. By comparison, all LCD screens require a backlight, from the cheapest models to the high-end quantum dot (QLED) sets. How the backlighting is implemented varies greatly throughout the price range, however. QLED is a marketing term, whereas organic light-emitting diodes (OLED) is a display technology. QLED refers to the quantum dot film used LED replaced CCFL (cold-cathode fluorescent lighting), which typically illuminated the screen from the edges. Some LED TVs use this edge-lit formation, others have moved on to more sophisticated Edge-Lit LED. In an edge-lit television, the LEDs that illuminate the LCD pixels are located only along the edges of the set. These LEDs face inward toward the screen to illuminate it. These models are thin and light at the mild expense of some picture quality—specifically in the area of black levels. Black areas of the picture, such as a Direct LED – local dimming LED matrix for TV. Direct LED local dimming is an advanced technology that delivers deep blacks. Through the use of backlight control, the image quality is not available on conventional DLED TVs. Higher contrast is achieved. Light areas are dimmed independently, leaving bright areas clearly visible. Viewing angles. OLED has a significantly wider and better viewing angle when compared to 4k UHD LED TVs. Unlike LEDs that still have shutter issues because of screen pixels, OLED comes with advanced pixels powered by self-illumination capabilities. Thus, OLED is a clear winner in this department. Thu1yzG.