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I'm currently attempting to get my 4K UHD panel working @ 120Hz refresh rates the panel in question is this one
The panel uses 20 LVDS pairs more specifically it uses 4 channels with 5 LVDS pairs each it also if I'm reading the datasheet correctly has an option for Side by side image by giving 2 channels to the left and 2 to the right just as we've seen with the Sharp IGZO 4K UHD screens.
I've contacted various companies first 3 Dutch companies which either redirected me to someone else who might be able to get it done ending me up with a estimate quote of 30k models @ 200 euro each the model to get the costs out (that was FPGA based though)
So what is keeping us from our goal?
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There are high end timing controllers as the one I mentioned in the last page that power today's 120Hz 1440P monitors.
Those can do 450MHz according to specs and use 10 bit 4 channel link too, It would be able to do 60Hz at 4K UHD with a small OC. (which would pretty much overrule the argument that Sharp and Asus use about there not being a transmitter that can do it available though they are right about the not in specification part)
http://www.epmi.com.tw/sayapro03.php?id=93
Some more info on the high quality dual link DVI receiver and timing controller.
The panel uses 20 LVDS pairs more specifically it uses 4 channels with 5 LVDS pairs each it also if I'm reading the datasheet correctly has an option for Side by side image by giving 2 channels to the left and 2 to the right just as we've seen with the Sharp IGZO 4K UHD screens.
I've contacted various companies first 3 Dutch companies which either redirected me to someone else who might be able to get it done ending me up with a estimate quote of 30k models @ 200 euro each the model to get the costs out (that was FPGA based though)
So what is keeping us from our goal?
Quote:
Possible fixes:
- HDMI bandwidth limitations since HDMI is currently limited to 340MHz pixel clock.
- Tcon limitations
- Limited bandwidth to the panel
Quote:
Pretty much all the discussion about it is here http://hardforum.com/showthread.php?t=1756171&page=17
- We can use a different connector dual link DVI seems to be the best choice (But DP and HDMI 2.0 are also viable)
- Instead of using a single Tcon board we use multipe 2 for now no need to overcomplicate yet (This is a very viable solution with one thing setting us back that is that it will try to drive the entire panel and since you can't set eyefinity or suround to only output stripes of the entire screen )
- This is a head breaker but it might be possible to push more over the LVDS pairs.
There are high end timing controllers as the one I mentioned in the last page that power today's 120Hz 1440P monitors.
Those can do 450MHz according to specs and use 10 bit 4 channel link too, It would be able to do 60Hz at 4K UHD with a small OC. (which would pretty much overrule the argument that Sharp and Asus use about there not being a transmitter that can do it available though they are right about the not in specification part)
http://www.epmi.com.tw/sayapro03.php?id=93
Some more info on the high quality dual link DVI receiver and timing controller.