Sorry, but that doesn't make sense at all. An LCD screen emits photons of all wavelengths and in all directions, as does a piece of paper. That's totally differ

Sorry, but that doesn't make sense at all. An LCD screen emits photons of all wavelengths and in all directions, as does a piece of paper. That's totally different to flashlight vs. laser, where there is a physical distinction between the types of photons being emitted.