The only thing i find off about the idea is essentially the project is effectively using a different backlight (using a different backlight isnt a completely new idea, its for instance what powers ibuypowers project snowblind pc cases(lcd sidepanel) as it replaces the backlight with internal pc conponents that shine bright white.

If you wanted to fix the problem, would it not just make more sense to put time and effort designing a better backlight for lcds for this use case rather than to rely on a top shot ambient light to do it?