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2. Ultra-high-definition television - Wikipedia

   en.wikipedia.org/wiki/Ultra-high-definition...

   On June 26, 2013, Sharp announced the LC-70UD1U, which is a 70 in (180 cm) 4K Ultra HD TV. [134] [135] The LC-70UD1U is the world's first TV with THX 4K certification. [134] [135] On July 2, 2013, Jimmy Kimmel Live! recorded in 4K Ultra HD a performance by musical guest Karmin, and the video clip was used as demonstration material at Sony ...

3. 4K resolution - Wikipedia

   en.wikipedia.org/wiki/4K_resolution

   The terms "4K" and "Ultra HD" are used more widely in marketing than "2160p". While typically referring to motion pictures, some digital camera vendors have used the term "4K photo" for still photographs, making it appear like an especially high resolution even though 3840×2160 pixels equal approximately 8.3 megapixels, which is not considered ...

4. High-dynamic-range television - Wikipedia

   en.wikipedia.org/wiki/High-dynamic-range_television

   UHD Phase A is a set of guidelines from the Ultra HD Forum for the distribution of SDR and HDR content using Full HD 1080p and 4K UHD resolutions. It requires a color depth of 10 bits per sample, a color gamut of Rec. 709 or Rec. 2020, a frame rate of up to 60 fps, a display resolution of 1080p or 2160p and either standard dynamic range (SDR ...

5. Display resolution standards - Wikipedia

   en.wikipedia.org/wiki/Display_resolution_standards

   The HD or 720p resolution of 1280 × 720 pixels stems from high-definition television (HDTV), where it originally used 50 or 60 frames per second. With its 16:9 aspect ratio, it is exactly 2 times the width and ⁠1 + 1 / 2 ⁠ times the height of 4:3 VGA ( 640 × 480 ), which shares its aspect ratio and 480 line count with NTSC .

6. The 10 Best 4K TVs That Guarantee a Great Viewing ... - AOL

   www.aol.com/lifestyle/10-best-4k-tvs-guarantee...

   These expert-recommended 4K TVs, from top brands including LG, Samsung, and Sony, deliver an immersive viewing experience for streaming, gaming, and more.

7. High-definition television - Wikipedia

   en.wikipedia.org/wiki/High-definition_television

   The term high definition once described a series of television systems first announced in 1933 [1] and launched starting in August 1936; [5] however, these systems were only high definition when compared to earlier systems that were based on mechanical systems with as few as 30 lines of resolution. The ongoing competition between companies and ...