4K TV is the use of four times the full HD (1920 * 1080p) TV. 4K TV generally use a new generation of ultra-high-definition 4K technology and 4D technology, resolution up to 3840x2160.It is a new kind of TV products.
The origin of 4k TV's name
4K's name is derived from its lateral resolution of about 4000 pixels
4K TV resolution
4K resolution is the kind of emerging digital cinema and ultra-high resolution computer-video standard, a common resolution is 3840x2160 and 4096x2160. The name was the number of pixels "4K" Since its horizontal direction.
According to the International Telecommunications Union (ITU) standard definition, 4K resolution of 3840 * 2160, an aspect ratio of 16: 9. According to this standard, this standard line progressive scan display device can reach 2160, that is, we often say that the 2160P. Under the standard of 4K resolution, the total number of pixels HD resolution four times to reach 1920 *1080.
4K TV (3840×2160)
| 1080p (1920×1080) |
1080p (1920×1080) |
| 1080p (1920×1080) |
1080p (1920×1080) |
What does the meaning 4K TV?
4K TV is a higher resolution, ultra high-definition TV .2012 In May, the International Telecommunication Union released the "ultra high-definition television UHDTV" (or "Ultra HDTV") standard proposal, the physical resolution of the screen is reached 3840 × 2160 (4K × 2K) above the TV and called ultra high definition television, industry and therefore also referred to as 4K TV.
4K is a concept borrowed from the projector's display resolution. Mainstream business education projector has a resolution of 1024 × 768, while home projector 720P resolution 1280 × 800, ko can be called 1.3K, full HD 1920 × 1080 will be defined as 1.9K.
So 4K TV is flat panel TV display horizontal pixel resolution, four times 1024, that a resolution of 4096 × 2160. In other words, to achieve this resolution flat-panel TVs, can be referred to as 4K TV.
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