2024年11月15日 · 4K Ultra HD is the name assigned to a screen with a resolution that’s four times that of a Full HD (1080p) TV. That translates to 8 million pixels being crammed into the same space in which a...

2017年10月5日 · 所謂的4K UHD，就是指顯示器材或影像內容的水平解析度達到4000畫素（pixel）的水準，但與Full HD不同的是，4K UHD解析度在專業領域會有一些規格上的差異，存在許多水平像素×垂直像素的定義。 以家用顯示器來說，4K UHD的規格包含3840×2160與4096×2160兩種，但4K UHD經過這幾年的發展，市場現行主流的4K UHD顯示器，絕大多數都是以3840×2160解析度為主，只有極為少數產品是4096×2160解析度。

2021年2月1日 · What Is 4K (Ultra HD)? TVs are getting bigger and resolution is getting higher. 4K TVs are now the standard. If you haven't upgraded from your 1080p TV yet, here's what you need to know.

正版4K Ultra HD通常会包含较为全面的幕后花絮以及导演解读音轨等内容，有时4K Ultra HD碟片由于4K格式比较占容量，会在1080P蓝光碟中附赠花絮

2024年2月5日 · Netflix has a good selection of 4K titles, as long as you’re on the Ultra HD subscription plan. Arch rival Disney Plus also has a small but significant 4K lineup, the difference being that it’s available to all subscribers at no extra cost. Amazon Prime Video also offers 4K to all subscribers, with no need for a top-up fee.

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 ...

2012年1月23日 · UHD is an "umbrella term" that encompasses higher resolutions (more pixels) than HDTV, as well as more realistic color and higher frame rates. Today and this year, pretty much the only one of those...

2024年12月18日 · The best 4k TV we've tested is the Samsung S90D/S90DD OLED. It's an incredible 4k TV that looks amazing in a dark room, as bright highlights in HDR content stand out incredibly well, with no distracting blooming or haloing around bright areas of a scene.

2022年1月4日 · The TV tech term 4K describes an ultra high-definition screen resolution. You might also see this labelled as UHD, 4K or 4K UHD depending on which brand makes the TV.

2024年5月13日 · What is the difference between 4K and Ultra HD? How close do I need to sit to the TV? Where can I watch 4K content? Can you watch non-4K content on a 4K TV?