I know they put it behind the monitor on the PC but like I said I don't have a wall to project the colorsI have not seen anyone with monitors using that, but I know that a lot of TV viewers got RGB strips around the outer edge. Perhaps you can use the same for the monitor also.
I get it was just curious. Had another question how do you post pictures on this forum?You could put it along the bottom of your monitor so you get some illumination against the desk.
Ultimately, you will be looking at it and using the setup so you can do whatever you like really.