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> I wonder how practical it would be to make a private display by removing the polarising film from it and then viewing with polarised glasses. It's been done,
by jrajav 13y ago
> I wonder how practical it would be to make a private display by removing the polarising film from it and then viewing with polarised glasses.
It's been done, pretty much how you'd expect:
http://www.instructables.com/id/Privacy-monitor-made-from-an-old-LCD-Monitor/ http://www.instructables.com/id/Privacy-monitor-made-from-an...
- jsingleton 13y agoThere are quite a few hacks around but I wondered if there was some reason these aren't more widespread or commercially available. Business idea? You could also make something that filters all light but near infra-red so it could be seen by CCDs (on cameras or phones) but not with the human eye. Or do the reverse and flood the picture with near infra-red to prevent it being photographed.
- superuser2 13y ago3M sells this.
- rcxdude 13y agoI think you can buy this kind of thing, I've seen them in use in some offices where sensitive information is being viewed.