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Purchasing a new television can be a daunting experience. Display technology moves quickly, and it can be hard to keep track of all the advancements and acronyms like HDCP, HDR, QLED, ITU-R BT.709 and more. Samsung TVs feature many of these cutting-edge technologies, so here's a guide to some of the more common terms.

Ultra High-Definition

Ultra HD is more than just a set of buzzwords. It's actually a strict set of minimum specifications for displays. Specifically, for a display to be labeled Ultra HD, it must have the following characteristics:

  • The resolution must be at least 4K, also known as 2160p.
  • The aspect ratio must be widescreen (at least 16:9).
  • The color depth must be 8 bpc (24 bit/px) or higher.
  • The display must have an HDMI input that can support 4K at 24, 30 and 60 Hz progressive scan, as well as HDCP 2.2 (a form of digital copy protection).
  • The display can process images according to the color space defined in ITU-R BT.709.
  • HD content (like 720p or 1080p) can be upscaled.

Essentially, UHD TVs are high-resolution widescreen displays with wide color gamuts. Many Samsung TVs match or exceed the Ultra HD specifications.


QLED is Samsung's proprietary display technology and stands for "Quantum Dot Light Emitting Diode." QLED displays use quantum dots, tiny particles that emit bright and vibrant colors. Unlike traditional LED displays, which rely on a backlight that can distort colors, QLED TVs control light emission via individual subpixels. That translates to a wider color gamut (important for HDR content) and faster response times (which prevents the burn-in you can see in slower displays).