Displaying data on a big display is something challenging; first of all, you need to know who your target will be, their skills, and which role they exactly cover. After that, it is important to see where the screen is physically and its resolution.

You will most probably need to create an ad hoc screen for a big display to fit better on a widescreen. Screens for widescreen need to be developed horizontally. Most of the screens are usually developed with a web page in mind, so most probably they need to be scrolled down and up to read all the graphs. Such kinds of screens will not fit on your widescreen.

You need to bear in mind that the slide show doesn't scroll up and down automatically. You can add JavaScript to make it possible, but it is really complex to implement a screen that will rightly handle this scrolling up and down, and all this effort can be hardly justified. It is better and more productive to produce screens such that...