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| Virgin Techie | I am building my girlfriend a light table to use for art and such. I have a nice piece of tempered glass i stole from my old store when they closed it. I was thinking of using an old LCD back light or an LED light any ideas or suggestions. Also if anyone knows where i can find an LCD back light assembly or a LED light board for sale please let me know. |
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| | #3 (permalink) | |
| Virgin Techie | Quote:
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| | #4 (permalink) |
| Monster Techie | You've already got the wrong materials for a light table, You don't use glass, you use acrylic. The problem with glass is that it doesn't diffuse light, it reflects and refracts it. If you're thinking of using a textured glass, you're still in the wrong ballpark, because even though it will diffuse it a little it will give uneven results and the texture will give off inaccurate results similar to putting film negatives or transparencies on an LCD monitor--you don't see the detail on the film, you see the pixels. Using the back light of an LCD probably wouldn't be bright enough anyway, and since you're using glass, it won't be diffused and will give off uneven light, which is horrible for not only film, but drawing too. You need Acrylic and flourecent light fixtures to put in the box. Anything else and it could give off way too much heat and it could cast colors that with mixed lighting, the eye may have a hard time balancing. |
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| | #6 (permalink) |
| Monster Techie | No, I don't mean a box with a bright bulb in it with acrylic or plexiglass on top, I mean a box with flourecent lights as the light source and acrylic as the surface. period! Like I said above, glass won't work and any other lights are too hot. If her art is film photography, than you need to make sure that the table isn't too bright or too dark becuase than it will act exactly as an unprofiled monitor and give you inaccurate exposure information. |
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| | #9 (permalink) | |
| Pwned Join Date: Mar 2006 Location: North Sexyville
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| | #10 (permalink) |
| I know <html>, do you? | "old LCD back light or an LED light" WTF!! get some flourecent lights and a fogged up glass what switch mentioned acrylic glass. your better off buying one then making one because from what you said doesn't seem like a light table i fixed couple light tables in my media arts class that were laying around because there weren't enough for all of us to work on so i know how they work
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