Eli5: Is there a level of tv/monitor resolution beyond which the human eye cannot detect further improvement?
In: 29
No. While it is possible to improve the dots (resolution and pixels-per-inch) to make them smaller, to a point where they are so small that we can no longer see them, there is always something that can be improved.
At the moment improving maximum brightness (nits) and color (definition and accuracy) is the current trend. In the future, improvements will likely focus on making the brightness of each individual dot more accurate (instead of using brightness zones), making the action smoother (by getting fps closer to what our eyes see), and creating new ways of showing depth so that objects on screen better show the distances away from the camera.
TL;DR: No, eventually the dots will be too good for us to notice the difference, but there will always be something that can be improved.
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