If I have a device constantly using IR through the monitor (picture tube) and through an LCD and plasma screen, does it have any bad effects on the run time of screen or screen life or effects on IR results to the IR device?
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migrated from stackoverflow.com Aug 29 '09 at 11:50
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closed as off topic by slhck, Paul, Sathya♦ Nov 4 '11 at 5:23
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Are you trying to make a crt or plasma screen emit an IR signal? or directing an ir emiter at the display? I don't think you will have much luck generating a signal from a crt or plasma display, the phosphor on the screen/in the plasma cells were selected to efficiently emit read, green or blue light. its unlikely to emit much IR, beyond the whole thing heating up and producing far IR, which you are unlikely to be able to modulate usefully. If you are directing an IR signal at the screen/tube you are unlikely to damage it, unless your IR source is so powerful you manage to actually heat up the screen significantly. With UV or x-rays, you would run the risk of burning out the phosphors, but the energy level per photon at IR is so low that this is not a risk. | |||||||
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