Phosphor to reduce flicker?

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Phosphor to reduce flicker?

Postby Andrew Davie » Sun Feb 04, 2007 11:33 pm

I was wondering if it might be possible to place a phosphorescent material, say on a glass plate, between the Nipkow disc and the eye. The idea is that the phosphor glow, however slight, would give a more persistant image and thus reduce the flicker apparent to the eye. Is this possible? Has anyone tried it?
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Phosphor to reduce flicker

Postby Stephen » Mon Feb 05, 2007 1:41 am

John Logie Baird proposed such an approach in British Patent GB291121 filed 30 November 1926. Such a scheme should work, although for best results the activating light should have a short high-energy wavelength. You could use any of the common glow-in-the-dark plastic sheets that are available as a display screen and use a modulated ultraviolet LED or LED array as the light source for the display.
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