Breaking Through the TV Terminology 4K, HDR, and OLED D ef ined
HDR High Dynamic Range, or HDR, is a type of image processing. When an image is processed, HDR is used to increase or decrease the
When you shop for a new TV these days, you’re greeted with a bevy of acronyms and numbers — marketing terms you can’t make sense of. These are terms like 4K, HDR, and OLED, just to name a few. TV makers leave it up to you to figure out what these terms mean. Well, look no further. We’re going to cut through the marketing speak and get to the point. Here’s what today’s popular TV marketing terms really mean. 4K The TV buzzword “4K” has replaced “HDTV” and “1080p” as the go-to marketing term. In short, it’s a reference to the number of pixels on the screen. Standard high-definition TVs (1080p) have a vertical resolution of 1,080 pixels and a horizontal resolution of 1,920. Here’s where it gets weird. 4K TVs have a vertical resolution of 2,160 pixels with a horizontal resolution of 3,840. Marketers decided to swap the vertical resolution as their reference point with the horizontal resolution, because higher numbers are more impressive, right? But 4K TVs seem to fall short of the moniker. Regardless, these TVs have improved color and image quality over standard HD, but you have to have devices — such as the PlayStation 4 Pro or a Blu-ray player — or services that output in 4K to take advantage of the boost in pixels.
luminosity of the image. It means bright whites, deeper blacks, and improved
colors overall. It’s been used in photography for decades and in video since the 1990s. Most 4K TVs have built-in HDR processing, resulting in better color quality, which translates to better image quality overall. OLED Short for organic light-emitting diode, OLED TVs feature a microscopically thin layer of an organic compound that emits light when an electric current is introduced. Typical LED TVs rely on a backlight in order to produce a lit, visible image. These backlights take up space, resulting in a thicker TV. The major advantage of OLED TVs is they are incredibly thin and light , and they produce deeper blacks for an improved color and image quality.
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