sjetski71
Feb 27 2005, 02:22 AM
Stumbled upon
this dealer of lcd panels at ebay.
The fact that these monitors have vga input really caught my eye, most have xga 1024x768 resolution as well. Reasonably priced imho considering that extra video inputs and tv-tuners are included. I recommend doing searches of model numbers at diy websites such as
diybeamer and
allinbox.com as the europeans seem to favor the smaller lcd's, with any luck maybe one of these monitors have already been employed.
8" XGA(?) SPV80,
Edit: link fixed. Note the decription claims 1024x768 "dots" (this is not true xga) Not worth the cash imho.
10.4" XGA SP-1012 11.3" XGA SP-101112.1" XGA SP-101213.3" XGA SP-1013B This one accepts a High Definition 1280x1024 signal but scales it down to a native XGA 1024x768)
Wish i was able to buy all of these to test out. Oh well, the bills and mortgage payments come first

. Who's feeling daring today ?
JWFokker
Feb 27 2005, 04:36 AM
Specs for the 8" LCD. Sounds legit. I might ask the guy what the make and model number is.
Dot Matrix: 0.107(H) x 0.372(V)
Resolution: XGA 1024(H) x 768(V)
Visible Angle: U:15 / D:35 / R/L:5
Brightness: 300cd/m2
Contrast ratio: 250:1
Audio output: 0.3W(Max)
Power consumption: 9W
Dimension: 199 x 153 x 30mm
Weight: 560g
Power supply: 12V DC
Build in TV tuner!
brainchild
Feb 27 2005, 06:17 AM
No VGA on the 8", gotta have it...
The 10" is very interesting though.
JWFokker
Feb 27 2005, 07:27 AM
Hah. I hadn't even though to look at the pic of the back of the monitor. I just assumed it had VGA since it was supposedly XGA. Most perceptive of you.
Assumptions always get the better of me.
sjetski71
Feb 27 2005, 02:59 PM
Link for the 8" LCD with vga inputs is now fixed
Note the current linked 8" lcd isn't true xga as its advertised as 1024x768 "dots". Borders on false-advertising imho
JWFokker
Feb 27 2005, 05:39 PM
Just googled "Avatar 8" LCD" and there was another forum that was looking at this monitor. Supposedly it's only 640x480 but the monitor the guy had was not exactly the same. It was composite only input, not VGA so maybe this one is true XGA, maybe not, but it's unlikely it really is. I don't know how they get away with this stuff.
sjetski71
Feb 27 2005, 07:08 PM
QUOTE (JWFokker @ Feb 27 2005, 05:39 PM)
Just googled "Avatar 8" LCD" and there was another forum that was looking at this monitor. Supposedly it's only 640x480 but the monitor the guy had was not exactly the same. It was composite only input, not VGA so maybe this one is true XGA, maybe not, but it's unlikely it really is. I don't know how they get away with this stuff.
hehe i just tried searching
Avatar 8" LCD also and came up with 119,000 results.
I can already see that researching these lcd's will take patience.
Anybody with related or some definitive info please post it here
minoten
Feb 27 2005, 08:43 PM
There are plenty of 10.4" XGA lcd panels made by a few different manufacturers.
The only 8.4" XGA I know of is made by NEC and has 500:1 25ms etc...and is expensive...I doubt that that 8" is XGA, but hey I could be wrong
The 10" could have an XGA screen...if you find out the screen manufacturer I can let you know the stats on it.
Mikau
Feb 27 2005, 08:59 PM
Very interesting
Nice find.
I wouldn't buy it though unless it had a higher refresh rate. I refuse to use anything over 16ms.
mantis
Feb 28 2005, 03:30 AM
Mikau,
Have you ever used one over 16ms? Many people have had good results playing games with a 25ms response rate. the only ones that should cause problems are very high level pc games.
sjetski71
Feb 28 2005, 04:18 PM
QUOTE (mantis @ Feb 28 2005, 03:30 AM)
Mikau,
Have you ever used one over 16ms? Many people have had good results playing games with a 25ms response rate. the only ones that should cause problems are very high level pc games.
Another thing is size. A person building a smaller projector often knows theres a compromise of resolution, refresh and contrast

. Smaller pj's are usually better suited for movies since games demand higher resolutions. Although a "mini xga" setup will cut the mustard for some games imho.
And to add to Mantis's statement: 25ms refresh from one lcd can be twice as good as 25ms from another lcd. There often just printed numbers which translate to something totally different on the screen. Only one way to find out
fore1337
Feb 28 2005, 04:32 PM
How do you guys determine the real native resolution?
See the guys over @ Xenarc.com are advertising 1600x1200 7” displays.
I even called them on the telephone and they told me the same thing.
are they lying?
According to peeps in the LL forums, those displays are only 640x480.
SO* I have no idea how they can ask for so much $$ for their products. :::shrug:::
sjetski71
Feb 28 2005, 04:39 PM
QUOTE (fore1337 @ Feb 28 2005, 04:32 PM)
How do you guys determine the real native resolution?
See the guys over @ Xenarc.com are advertising 1600x1200 7” displays.
I even called them on the telephone and they told me the same thing.
are they lying?
According to peeps in the LL forums, those displays are only 640x480.
SO* I have no idea how they can ask for so much $$ for their products. :::shrug:::
The first hint is when you see the word "dots", as in 1600x1200 "dots". Each pixel is composed of 3 dots (red, green, blue).
Pretty sure you have to divide 1600 and 1200 by 3 to find the true native resolution. (somebody correct me if i'm wrong here)
That being said i highly doubt xenarc is carrying true native 1600x1200 7" lcd panels. Those fellas either lied or dont know any better imho, doesn't inspire confidence in my book either way
ricoks
Mar 1 2005, 06:04 AM
they dont know any better - i believe the dotsx3 is only for the horizontal - thus it is usually really high resxlow res - because the highres is x3
the xenarc 7"WS for example is actually 2400x480 (800x480) It will SCALE (accept) an image that is much higher, but it only native has a resolution of 800x480WS! their 8", and others, is 800x600 native
Mikau
Mar 1 2005, 03:29 PM
NOW I've got an idea. Before I had the idea of connecting the FFCs of a higher definition monitors circuitry board to a 15 inch lcd. However the problem is the higher definition monitors ffcs have more wires in them. But THESE monitors are xga so the FFCs should be the same, right? Maybe I could connect the circuitboard of my 512N to these little lcds and put its 16ms 450:1 contrast ratio, on a little 10 inch lcd.
phutton
Mar 1 2005, 04:32 PM
Why mix and match circuit boards. Just use the circuitry these come with. The tuner allows you to save on an upconverter.
If these were available a couple of months ago I would probably have bought this. Saves money and smaller formfactor. After my first I may eventually try these anyway.
Mikau
Mar 1 2005, 04:40 PM
Connect it to the more advanced circuit board in an attempt to give it its specs. Those small panels have about 25ms refresh rate and less then 400:1 contrast ratio. My 512N has 16ms response time and a 400:1 contrast ratio. If the smaller lcd monitor has the same types of FFC's, maybe you could connect it to the smaller panel and keep the same specs.
Savvy?
ednigma
Mar 2 2005, 07:44 AM
The contrast ratio and response time specs are a "designed in" property of the LCD panel, as in how the LCD panel is made - the type and configuation of the liquid crystals themselves and the type of polarization used on the glass panels. These parameters are not a property of the controllers.
What even makes you think that you could plug in a controller from a different panel, especially one from a physically different panel, not even the same size? Even controllers for the same sized panels most likely won't work between different manufacturers. Why do you think that it is so hard to use LCD panels from laptops? Notice all the work that minoten is doing to get a custom controller made for the 1920x1080 15.4 panel?
Mikau
Mar 4 2005, 05:49 PM
It was just a theory.
Maybe if you bought smalller a raw panel with the same specs, if the ffc connectors were the same size, you could connect it to that. If I remember correctly, raw panels are cheap but the controller boards and all that is the expensive part. If you just used the controller of your other monitors it should work right?
I assumed that all xga monitors have the same ffcs. So you could in theory discconnect your current monitors ffcs and plug them into the smaller 'raw' panel. If the two monitors have the type of ffcs, and it has the same specs, it should work right?
Obviously ffcs are alike for most monitors of the same resolution, and are interchangable and extendable. (otherwise lumenlab wouldn't sell ffc extenstions).
As far as the panel working with a differant controller board, why would they sell raw panels if they only worked with a particular controller board? If the specs are the same it just might work.
I doubt all lcds are very differant from eachother, as far as the panel itself is concerned. The quality may differ, but I'm sure they all work in the same way. Just like a standard household light bulb. Some may have 100watts, some may have only 70 watts, but they both work in the same socket. The same may be true for lcds.
But more like a halide. Any bulb can be used inside the ballast but only if the wattage of the bulb and ballast match. Just like my theory that any lcd panel will work work with any lcd controller board so long as the specs match.
It may not be true but its not a bad theory based on how much I know. I guess it really depends on if each monitor is completely differant then the next. Though that would be kind of odd. I would think that while they may differ in specs, monitors of the same specs are alike and interchangable.
phutton
Mar 4 2005, 09:34 PM
I would think that lcds are designed around a certain amount of industry standardization. Hower, the degree of standardization is not that of a universal standard. This is apparent when you view the lcd panels sold on ebay. Most of them state the make and model of computers that the panel will fit. If there was a universal standard then any xga panel should be swappable with any other xga controller.
I do not think that is the case, though.
However, I am relatively clueless about this industry, so I could be wrong.
Norwegian
Mar 4 2005, 09:58 PM
QUOTE (brainchild @ Feb 27 2005, 06:17 AM)
No VGA on the 8", gotta have it...
The 10" is very interesting though.
If you do the math with the stated dot matrix on the 10", it gives a physical panel pixel resolution of only 640 x 480.
sjetski71
Mar 4 2005, 10:21 PM
QUOTE (Norwegian @ Mar 4 2005, 09:58 PM)
QUOTE (brainchild @ Feb 27 2005, 06:17 AM)
No VGA on the 8", gotta have it...
The 10" is very interesting though.
If you do the math with the stated dot matrix on the 10", it gives a physical panel pixel resolution of only 640 x 480.
Out of curiosity, what is the formula you're using?
Come to think of it, 3 of the 5 lcd's i listed have the same dot matrix
Mikau
Mar 5 2005, 12:31 AM
QUOTE (phutton @ Mar 4 2005, 09:34 PM)
I would think that lcds are designed around a certain amount of industry standardization. Hower, the degree of standardization is not that of a universal standard. This is apparent when you view the lcd panels sold on ebay. Most of them state the make and model of computers that the panel will fit. If there was a universal standard then any xga panel should be swappable with any other xga controller.
I do not think that is the case, though.
However, I am relatively clueless about this industry, so I could be wrong.
Well we'll have to research it them won't we?
But really considering the fact that they sell raw panels, I would say there is a chance.
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