4K Native Resolution is a Must
There’s been quite a bit off buzz surrounding 4k displays from consumer-grade TV giants such as Sony and Samsung. The recent CES even has people talking about 8k! If you’re unfamiliar with the term “4K”, it simply refers to the resolution of the screen, which, for 16:9 displays, is 3840 x 2160. You can also interpret it as being 4x the amount of pixels as a 1920 x 1080 resolution. Even though the resolution is doubled, 1920 x 1080 -> 3840 x 2160, the pixel math comes out to being 4 times as much, hence “4K” resolution.
Despite its high price (relative to 1080p) and the persistent scarcity of corresponding 4K content, the hype surrounding 4K monitors continues to grow. We at GPO Display have also seen an increased interest in 4K LCD video wall monitors, but we’re not so sure that the market is at a point where the average end-user knows what they’re asking for when inquiring about 4k video wall panels.
The modular nature of video wall monitors means that one can increase the native resolution of an array by adding more panels. For example, a 2 by 2 video wall features a 3840 x 2160 (4K) native resolution (see Fig. 1). This is more than sufficient for the vast majority of video wall applications. All one needs to make full use of this is a player, PC or processor with four or more outputs. The typical viewing distance of video walls means that the aggregate 4k+ native resolution of an array is equal to or greater than the resolution which can be perceived by the human eye. With this in mind, 4k resolution on each individual panel seems to be overkill.
While Ultra Narrow Bezel 4k lcd video wall would be a welcome option for certain applications with extremely small viewing distances (such as touch-enabled video walls), we think 1920 x 1080 remain the standard for Ultra Narrow Bezel LCD video walls for at least the remainder of this calendar year.
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