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What's the largest size computer monitors come in?
- Thread starter Vieo
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Thomas8354
Member
With S-Video, you could hook up a huge screen to a computer, so really, its how big do TVs come
Brofist
Member
funkmasterb
Member
I use two 22' crt monitors at work on my workstation, which are (according to our IT guy) the largest they make able to display a decent resolution (1600x1200+).
You can hook a computer up to a LCD monitor/tv and get larger, but the rez won't be that high.
You can hook a computer up to a LCD monitor/tv and get larger, but the rez won't be that high.
cubicle47b
Member
Carmack had a massive CRT. I think it was 26" but I'm not sure. I've seen a bunch of widescreen 24" CRTs.
You want the Sony GDM-FW900. 24" of CRT power!!!
http://www.amazon.com/exec/obidos/tg/detail/-/B00004YNSR/103-1413153-5061419?v=glance
http://www.amazon.com/exec/obidos/tg/detail/-/B00004YNSR/103-1413153-5061419?v=glance
God's Hand
Banned
That monitor owns every monitor on the market, including LCDs. It is beautiful. You can't even imagine how beautiful the quality is.Teddman said:
I see nobody's heard of Sony's Qualia line of products? They're massively overpriced for a reason - they aim to be the Prada/Gucci/Versace of electronics. Here's a link to a PDF brochure of the monitor in the line - 36 inches.
http://www.sony.jp/products/Consumer/QUALIA/jp/products/img/015/015_catalogue.pdf
http://www.sony.jp/products/Consumer/QUALIA/jp/products/img/015/015_catalogue.pdf
UtadaBarkley
Member
I'm staring at a 36 inch CRT now, but of course I'm at work and not home. Its' a Mitsubishi... at first I thought it was a TV, but it's a monitor, I checked the connections.
cubicle47b
Member
I think that Carmack pic was from the mid 90's.
Shogmaster
Member
Probably the most economical way to get a huge yet appropriate quality computer monitor without going with a projector is a DLP rear projection set. Only 1280x720, but you can get 46" easily for $2500.
ok i bought an LCD monitor... Samsung 710N 17"
now my dilemma is this....
i'm thinking about using it as a projector (just need to get the lens/mirror)
Now... it has an average candela of 300 cd/m2 so i'd assume about 500 for highest setting.... what would the lumens of the monitor be? I can't really get a clear answer with googling
i need to know the lumens value before i go ahead with it since well... i wanna know if i have to tear it apart and start working on getting other parts... or i can just lay the monitor down on the projector and easily work from there
(surface area of monitor is 0.095m2)
if all else fails i'll have to find someone with a lumens rater
now my dilemma is this....
i'm thinking about using it as a projector (just need to get the lens/mirror)
Now... it has an average candela of 300 cd/m2 so i'd assume about 500 for highest setting.... what would the lumens of the monitor be? I can't really get a clear answer with googling
i need to know the lumens value before i go ahead with it since well... i wanna know if i have to tear it apart and start working on getting other parts... or i can just lay the monitor down on the projector and easily work from there
(surface area of monitor is 0.095m2)
if all else fails i'll have to find someone with a lumens rater
If you're thinking about using an LCD monitor for a projector, you can forget about using the included backlight. People who do this tear out the backlight and put the bare LCD on an overhead projector. The light is several orders of magnitude brighter. Just do some googling and you can find descriptions of such projects. A 15" LCD works better (fits more easily on an unmodified projector).
No one can tell you what the resulting lumens will be, since there are so many variables. It will be based upon the starting light brightness, the optical system that focuses the light, and the transmittance of the LCD. Overhead projectors come in a wide range of power, depending upon the expected screen size and environment.
From the starting brightness of the overhead projector, you can estimate that 50% of the light will be lost due to polarization, and then another 66% of the remainder will be lost due to the color filters (each sub-pixel only passes through 1 primary color over its area).
No one can tell you what the resulting lumens will be, since there are so many variables. It will be based upon the starting light brightness, the optical system that focuses the light, and the transmittance of the LCD. Overhead projectors come in a wide range of power, depending upon the expected screen size and environment.
From the starting brightness of the overhead projector, you can estimate that 50% of the light will be lost due to polarization, and then another 66% of the remainder will be lost due to the color filters (each sub-pixel only passes through 1 primary color over its area).
NohWun said:
Well I was contemplating tearing up a 15" LCD and making my own casing and using 2 25W fluorescent bulbs which are rated at about 2000 lumens (i had one tested... they're damn bright)
but my main dilemma would be if I could get the light evenly spread across the LCD...
i would rather use the bulbs and making my own casing because the fact projector bulbs are HOT, expensive... and having a bulb life of a few hundred hours while the fluorescents have a rating of over 10,000.
NohWun said:
Which is why it's my main dilemma
I was thinking of using mirrors to concentrate the light upwards, another problem would be no way of adjusting brightness but i might get a slab of 10-15% tinted glass just in case.
I don't think using the fluorescents would be a problem... i think. because some people have used TVs, the lens and a mirror and been able to get a projection that way... but for me... eh. i'm trying to short cut while getting the best results possible. I'm on a strict budget
Basically, a projector needs a collimated light source (collimated means that all the light rays are parallel to each other). You can get that from a point source and a parabolic mirror. Any light rays that aren't going in the "right" direction just get wasted.
Obviously you can project something with any kind of light source. It's just a question of efficiency.
Obviously you can project something with any kind of light source. It's just a question of efficiency.
Think about it like this:
For a direct-view monitor, you want all the light coming out to go out in all directions. That way, you can look at the screen from any angle and it will appear equally bright from all angles.
For a projection system, you want all the light coming out to first go in a straight path to the screen, and then from there it should bounce off and go in all directions. Any light that doesn't make it to the right part of the screen first is going to do one of two things: either just get completely wasted (absorbed somewhere in the projector), or else it will hit some other (wrong) part of the screen and causing blurring or wash-out (loss of contrast).
If you were to stare directly into the beam of a typical projector, it would feel like staring into the sun (the light is so concentrated). So if you can look at your bulbs and not feel the same way, then it's probably not bright enough.
But if you enjoy a project, don't let me discourage you. The fun is in the doing.
For a direct-view monitor, you want all the light coming out to go out in all directions. That way, you can look at the screen from any angle and it will appear equally bright from all angles.
For a projection system, you want all the light coming out to first go in a straight path to the screen, and then from there it should bounce off and go in all directions. Any light that doesn't make it to the right part of the screen first is going to do one of two things: either just get completely wasted (absorbed somewhere in the projector), or else it will hit some other (wrong) part of the screen and causing blurring or wash-out (loss of contrast).
If you were to stare directly into the beam of a typical projector, it would feel like staring into the sun (the light is so concentrated). So if you can look at your bulbs and not feel the same way, then it's probably not bright enough.
But if you enjoy a project, don't let me discourage you. The fun is in the doing.
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