[Hexus]Researchers test 400Hz 2500ppi graphene pixel displays - Overclock.net - An Overclocking Community

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[Hexus]Researchers test 400Hz 2500ppi graphene pixel displays

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post #1 of 22 (permalink) Old 11-16-2018, 01:45 PM - Thread Starter
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[Hexus]Researchers test 400Hz 2500ppi graphene pixel displays

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Researchers from SCALE Nanotech, Graphenea and TU Delft are securing capital with a view to commercialise the graphene pixel displays that they have designed. A startup will be launched by the research team in a few weeks with the hope of bringing GIMOD (Graphene Interferometric Modulator Display) components to market. The headlining attractive qualities of a GIMOD is that it can easily achieve refresh rates of 400Hz, the pixels are small so it is possible to create 2500ppi screens, and the power efficiency is said to be good.



The scientists see GIMOD components as a natural fit for VR headsets "where GIMOD outperforms every other technology". Graphene makes reflective displays that offer the specifications of standard technologies (OLED, LCD) possible and the faster refresh and higher resolutions possible, while conserving battery life - these are aspects VR HMD designers and users will find attractive.


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post #2 of 22 (permalink) Old 11-16-2018, 02:19 PM
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3.524 inches at 7680x4320 is 2500ppi.
That's maybe still a bit large for VR but if we're doing 150 degree FOV it's probably appropriate.
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post #3 of 22 (permalink) Old 11-16-2018, 02:37 PM
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Quote: Originally Posted by ILoveHighDPI View Post
3.524 inches at 7680x4320 is 2500ppi.
That's maybe still a bit large for VR but if we're doing 150 degree FOV it's probably appropriate.
That's a lot of resolution for a small screen. I wonder if the refresh rate is possible with high density. Or if it's either or.

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post #4 of 22 (permalink) Old 11-16-2018, 04:33 PM
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soo what graphics card is going to run this stuff? did they come up with a new gpu aswell?

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post #5 of 22 (permalink) Old 11-16-2018, 05:21 PM
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Quote: Originally Posted by Fifth Horseman View Post
soo what graphics card is going to run this stuff? did they come up with a new gpu aswell?
Competitive gaming will use the motion blur reduction benefits. Higher PPI will open a whole landscape for innovation on motion blur reduction, color accuracy, and depth of blacks. Keep in mind, you don't need to use native resolution to reap the benefits of high PPI -- I'm not saying it wouldn't be nice to, but PPI is about more than just resolution. The "hard limit" on what the human eye can see is only relevant when we're talking about conventional pixels. Graphene pixels at high PPI won't need to be so bright. Focus could be put into "gap filling" to make the screen look less like it's emitting light, and more like it's a printed image.

Lots of amazing things on the horizon for graphene displays. This is just the beginning.

In the short term we're going to get some amazing gaming monitors. Just you wait, bucko.

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post #6 of 22 (permalink) Old 11-16-2018, 06:54 PM
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Quote: Originally Posted by Clovertail100 View Post
Competitive gaming will use the motion blur reduction benefits. Higher PPI will open a whole landscape for innovation on motion blur reduction, color accuracy, and depth of blacks. Keep in mind, you don't need to use native resolution to reap the benefits of high PPI -- I'm not saying it wouldn't be nice to, but PPI is about more than just resolution. The "hard limit" on what the human eye can see is only relevant when we're talking about conventional pixels. Graphene pixels at high PPI won't need to be so bright. Focus could be put into "gap filling" to make the screen look less like it's emitting light, and more like it's a printed image.

Lots of amazing things on the horizon for graphene displays. This is just the beginning.

In the short term we're going to get some amazing gaming monitors. Just you wait, bucko.
The question that is yet to be answered: what is the image quality and colour vibrant of these graphene as compared OLED or even MLED.

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post #7 of 22 (permalink) Old 11-16-2018, 10:30 PM
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This display tech is "too good" for current market so it will never take off. With pixels that small there will be a ton of black space between pixels on resolutions we can actually use. It will look ugly so no one would want it. It will give the "screen door effect" on VR headsets for an entirely different reason. lol. To make a display with the resolution needed for pixels this small too look good and nothing would be able to drive it with hardware now or in the next 5+ years. 400Hz is also not great. LCD panels can also refresh at 400Hz and higher, they still look bad. OLED can refresh at thousands of hertz if we let it since their response time for transitions is tenths of a millisecond. I really think if this is only 400Hz capable that is quite slow. I really dont see this tech having practical benefit for quite some time, once we have resolutions that require pxiels to be much smaller.

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post #8 of 22 (permalink) Old 11-16-2018, 10:54 PM
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Quote: Originally Posted by EniGma1987 View Post
This display tech is "too good" for current market so it will never take off. With pixels that small there will be a ton of black space between pixels on resolutions we can actually use. It will look ugly so no one would want it. It will give the "screen door effect" on VR headsets for an entirely different reason. lol. To make a display with the resolution needed for pixels this small too look good and nothing would be able to drive it with hardware now or in the next 5+ years. 400Hz is also not great. LCD panels can also refresh at 400Hz and higher, they still look bad. OLED can refresh at thousands of hertz if we let it since their response time for transitions is tenths of a millisecond. I really think if this is only 400Hz capable that is quite slow. I really dont see this tech having practical benefit for quite some time, once we have resolutions that require pxiels to be much smaller.
You could simply gang up 4 pixels together to make one effective larger pixel, making the apparent resolution lower than the actual resolution, and reducing the demand to drive such a panel. It could be used to create better color depth and smoother color gradients as well.

If the biggest problem with this tech is "its too good to be used in the ways we currently use displays", then the simple answer is to use displays in better ways.

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post #9 of 22 (permalink) Old 11-17-2018, 06:22 AM
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Quote: Originally Posted by EniGma1987 View Post
This display tech is "too good" for current market so it will never take off. With pixels that small there will be a ton of black space between pixels on resolutions we can actually use. It will look ugly so no one would want it. It will give the "screen door effect" on VR headsets for an entirely different reason. lol. To make a display with the resolution needed for pixels this small too look good and nothing would be able to drive it with hardware now or in the next 5+ years. 400Hz is also not great. LCD panels can also refresh at 400Hz and higher, they still look bad. OLED can refresh at thousands of hertz if we let it since their response time for transitions is tenths of a millisecond. I really think if this is only 400Hz capable that is quite slow. I really dont see this tech having practical benefit for quite some time, once we have resolutions that require pxiels to be much smaller.
Directly from the article:

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While this story is headlined with the 400Hz refresh figure, the scientists say that they could run at up to 2000Hz, but humans can't perceive flicker beyond 500-1000Hz and the nearest tech rivals operate at 144Hz.

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post #10 of 22 (permalink) Old 11-17-2018, 07:37 AM
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