yashsingh1/xdaforums huggingface dataset:
[Samsung Galaxy Nexus] martonikaj:
The RAZR coming out ~same time as the Nexus with that god-awful display definitely gave a negative connotation to "PenTile".
[Samsung Galaxy Nexus] imnuts:
Pentile was somewhat noticeable on the first SAMOLED display that they had in the SGS lineup, but only when it was text on a solid background. With SAMOLED HD, the pixel density is so high that I have yet to be able to see a jagged edge on text anywhere. I wonder what people would think if Apple used a Pentile matrix on an iProduct. Probably be the best thing in display technology rather than the most hated if it happened.
[Samsung Galaxy Nexus] jgalan14:
I love my galaxy nexus and my friend got a htc one x and it does look really good but I prefer my nexus maybe cause I like dark colors
[Samsung Galaxy Nexus] zephiK:
Yeah I agree with Motorola giving PenTile a bad name. When I first saw the Galaxy Nexus screen, I didn't even notice any differences. I don't know the technical terms on why it's different but compared to my previous phones, Nexus S / Galaxy S1 (Vibrant).. I don't really see any difference, in fact the GN looks even better but that might just be Super AMOLED HD. But whatever it is, it looks amazing.

The people criticizing about PenTile without even looking at the phone or trying it for a week or two need to re-evaluate themselves.
[Samsung Galaxy Nexus] Smokeey:
Ya, but Samsung still has not found a good enough manufacturing process to make regular "Super AMOLED+ HD" Screens at 4.6inch+ (hence the pen tile). That's why the screen's pen tile.
[Samsung Galaxy Nexus] nohcho:
Hopefully apple wont make a mistake like that.
[Samsung Galaxy Nexus] jgalan14:
I doubt apple would I still remember that first iphone and the screen was amazing phone kind of suck tho
[Samsung Galaxy Nexus] JaiaV:
Y'know, I always thought that PenTile would bother me too much to ever use a phone. I'd seen some devices that used older or low-end versions of it, and they looked terrible.

I was apprehensive at best of getting the Galaxy Nexus. PenTile and the lack of an SD card slot bothered me, to say the least. Over time, I've grown to love the phone. Much of that is because while there are some issues with the PenTile display, such as some banding and purplish greys at very low or lowest brightness settings, these issues aren't noticed even at a slightly raised brightness settings. Otherwise, the display is one of the best performing displays I've ever had the pleasure of using. The colors are bright and vibrant, the blacks are black, there are no light bleeds common with backlit displays and the outdoor performance, while not the best, is still excellent.

Super AMOLED HD isn't perfect, but it's certainly a good step forward in the evolution of display technology.
[Samsung Galaxy Nexus] 1cewolf:
Didn't you know? Apple never makes mistakes :p

When I was looking at new phones, Pentile bugged the hell out of me every time I saw it. I swore I'd never buy a phone that used it. After Google started selling the Galaxy Nexus, I took a look at the VZW model just for kicks, and I honestly couldn't tell the difference unless I held it point-blank.
[Samsung Galaxy Nexus] randomnameftw:
Owning both devices, I actually prefer the one X screen over the nexus. Not by

a drastic margin though. Pentile displays are pretty atrocious on smaller resolution

screens (qhD or below).

It's a non-issue on the nexus.
[Samsung Galaxy Nexus] @rbiter:
I can tell occasionally but the high Res far outweighs the small nuance of seeing it in certain situations and being HD it still looks great. :thumbup::thumbup: for HD rgbg pen tile.

...of the people, by the people, for the people...
[Samsung Galaxy Nexus] Step666:
I thought the issues of the blue sub-pixels degrading faster than the red and green ones had been, basically, sorted - at least in as much that the degradation, whilst still faster than the other sub-pixels, was now slow enough that it was not particularly perceptible over the lifespan of the device (at least for the likes of phones, which are replaced much quicker than most consumer electronics devices).

I mean, according to Wikipedia the typical time for blue sub-pixels to degrade to half their original brightness is 14,000 hours - or 8 hours a day for 5 years.

Now I don't know about the rest of you but I don't have my handset's screen on for anywhere near 8 hours a day nor do I expect to still be using it in 5 years time.

And on top of that, it talks about 'experimental' blue OLED panels which can sustain 400 cd/m2 for over 62,000 hours - and that was in 2007.
[Samsung Galaxy Nexus] beeboss:
Wrong. Galaxy tab 7.7 . If Samsung put samoled HD plus in sgs3 the price for the phone would be too damn high and the difference between screens quality is not that big as people who haven't even used it or used sgs1 with small resolution are trying to tell.
[Samsung Galaxy Nexus] imnuts:
The Galaxy Tab 7.7 is using a SAMOLED+ screen that is ~7". It is not a SAMOLED HD screen despite having an HD resolution. At least they do not advertise it as SAMOLED HD, it is listed as an HD resolution SAMOLED+ display.
[Samsung Galaxy Nexus] DroidDavi:
When the g nex first came out all I say was the horrible screen. So I bought the t mo gs2 which had the ugliest screen resolution ever so I got a nexus. The screen on the phone is awesome dark blacks deep colors this is a great screen. The super LCD 2 is nice but I prefer this
[Samsung Galaxy Nexus] daneurysm:
Bingo. I think Samsung is just trying to get the most value out of their current process-level.

The panel in my (oft mentioned) ET4G SGS2 is roughly the same exact dimensions as the GNex screen....though if you multiply 800x640x12 (subpixels) you come up with the same exact number you would if you multiplied 1280x720x5 .....and that 5 is where the damning "Pentile" moniker comes from.

So, that means these two (oft compared) panels have the same amount of subpixels arranged in the same amount of space in a slightly (or vastly, depending on how you looked at it) configuration.

So, for solid colors--aside from calibration differences and luminance (brightness) differences--the panels are effectively identical. I know I simplified a lot of the dynamics away with those qualifications, but, in this scenario we have the same amount of subpixels in the same exact density making the same exact color...

Before I decided to swap up to the GNex I marched down to the Sprint store and did the nerdiest side-by-side comparison I could and there wasn't a single moment where I had any question which screen I'd rather be looking at all the time....It's the GNex. The only thing I noticed was that it wasn't as cornea scarringly bright....big deal....after 30 seconds of screen-on maxed out the SGS2 screen turns itself down to prevent damage or something.....and then it's dimmer than the GNex anyway.
[Samsung Galaxy Nexus] Smokeey:
Apple is anal. They do alot more testing than Samsung because people will actually use + buy there phones well past its 18 month life span.
[Samsung Galaxy Nexus] ÜBER™:
Thanks explains why I can't seem to get my rgb and Gama values perfect like I did on my epic. It seems a tad green if I don't have it pretty blue but if I have it too blue the gray looks blue and white looks blue.... oh well. My eyes are so used to my epic things aren't what they seem.
[Samsung Galaxy Nexus] lynxboy:
After reading the article on The Verge last night, all I could think of was the power of PR! Don't look too much into this, somebody already posted the pixel lifespans (8hours a day for 5 years before tangible degradation), this is simply Samsung's PR departments response to all the negative press regarding the PenTile screen.

The same PR department that was lauding the Super Amoled + when it was released on the SGS2!!

I take it screen lifespan wasn't an issue then Samsung?!

Regards.
[Samsung Galaxy Nexus] vash1053:
Pentile was HORRIBLE on everything prior to the GNex to my eyes. However, the pixel density on this phone is such that I can hardly notice it at all. Obviously if they could get sub-pixel degradation thing worked out, I'd prefer a SAMOLED+ display. But for now, this is just fine.
[Samsung Galaxy Nexus] Smokeey:
That is partially true, however, as I have said previously in this thread, Samsung has yet to figure out a viable way to mass produce RGB Super AMOLED + HD Screens, so they have to deal with PenTile.
[Samsung Galaxy Nexus] Stadsport:
I don't mind my Gnex having a pentile screen or anything but I have to say Samsung's explanation kind of sounds like BS to me. How does having fewer blue subpixels make those subpixels last longer? Maybe I'm missing something here.
[Samsung Galaxy Nexus] scoobdude:
I remember reading an article about the photon which has a rgbw sub pixel layout, which stated that pentile displays are perceived brighter at the same light out put by nonpentile displays. I do not remember if the white sub pixel was the cause or just an addition to this though.
[Samsung Galaxy Nexus] RogerPodacter:
Its the density not the actual resolution. Samsung can make the tab 7 because at that size the ppi density is very low. A 4.6" size with full rgb pixels is too high of a density at this time for Samsung to make cheap enough and at high enough yield to not scrap 50% of their product.

Edit. Sorry I replied to the wrong post and can't figure out how to delete it.
[Samsung Galaxy Nexus] Step666:
I'm pretty certain your maths is completely wrong.

RGB sub-pixel matrices give you three sub-pixels per whole pixel, not twelve.

Pentile sub-pixel matrices, or to be specific the RGBG Pentile matrices Samsung favour, works out at two sub-pixels per whole pixel.

Not to mention, you've mis-quoted the resolution of the WVGA panel - it's 480x800.

So, in fact, the total number of sub-pixels are 1,152,000 for the WVGA handset and 1,843,200 for the Galaxy Nexus (give or take, I'm not sure how it works at the edge of the panels, there may in fact be more than that on the Nexus).

Not to mention, this is just wrong:

You're trying to make it sound like they're basically the same panels when nothing could be further from the truth.
[Samsung Galaxy Nexus] daneurysm:
To be honest I am just wingin' it here...and I shouldn't post after 4 beers. I really should make that a rule.

Either way, 480x800x12=4608000 and 720x1280x5=4608000

So far as the subpixel matrices are concerned that gets a little dicey since the WVGA panel has long rectangular subpixels and the 720P has much smaller squares. Understandably so.

My main point was that I don't think the lack of SAMOLED+HD screens has to do with Samsung's inability to figure out a way to do it so much as Samsung trying to maximize the value in their current manufacturing process. If they are having difficulty doing it I would imagine it's because they are trying to accomplish it without retooling the entire operation...and at densities like this I can't see them really doing that.
[Samsung Galaxy Nexus] kolyan:
Here is a vid I posted in another thread

[YOUTUBE]YF-Z3_f3WCE[/YOUTUBE]
[Samsung Galaxy Nexus] adrynalyne:
How did we go from PenTile to IPS?
[Samsung Galaxy Nexus] kolyan:
:confused:

Because IPS is RGB and the whole thread is Pentile vs RGB
[Samsung Galaxy Nexus] spamlucal:
where do those figures come from? 12 and 5 subpixels per pixel? I don't think that's right (it's 3 and 2 as far as I know)
[Samsung Galaxy Nexus] daneurysm:
"Pentile" refers to the 5 (penta) subpixels per pixels. I just extrapolated (fancy word for "pulled out of my ass") the 12 by assuming Samsung using the same underlying process on the extremely similar (same?) dimensioned panels.

I realize that makes nearly everything I said factually worthless...(except the part about them not wanting to retool for manufacturing process shrink cuz its expensive, and pentile screens having 5sbpx per px).

The ET4G panel uses the RGB (RBGB?) arrangement...but does so with bars as opposed to squares. The bars are, roughly, 4 "squares" wide, or 3 "squares" if RBGB.

Basically I'm just theorizing a bunch of seemingly reasonable ideas until someone comes along and *****-slaps my logic with facts...and then I learn something new and move on. ;)
[Samsung Galaxy Nexus] Step666:
The thread is about Pentile vs RGB for S-AMOLED panels, IPS is LCD.

The differences that video highlights aren't simply down to the sub-pixel arrangement.

It's also trying to highlight differences in colour saturation, contrast rates etc, which are down to the differences between LCD and AMOLED, no matter what sub-pixel matrix each display uses.

I was about to ask the very same thing.

It's 3 and 2.

Wikipedia states that RGBG Pentile matrices contain a third fewer sub-pixels than standard RGB matrices.

And RGB matrices, by their very name, have three sub-pixels per pixel arranged Red/Green/Blue.
[Samsung Galaxy Nexus] beaumontcali48:
I love my gnex screen hence I came from using the OG Evo 4g .
[Samsung Galaxy Nexus] wilsonlam97:
Why didn't Samsung go with RGBB (redgreenblueblue)?

The blue does die sooner after all.
[Samsung Galaxy Nexus] Razer(x):
I find the Galaxy Nexus screen to act weird, moving from keyboard to something else i can still see keyboard buttons until they disappear
[Samsung Galaxy Nexus] madizmo:
I get this to but only on low brightness, on max brightness its fine.
[Samsung Galaxy Nexus] soldierblue348:
I know it's just damage control on Samsung's part, but... their explanation. I mean, they're saying that blue sub-pixels deteriorate quickest and since there are less blue sub-pixels, it's more reliable. I don't even know where to begin with that.
[Samsung Galaxy Nexus] xHausx:
At first I was under the impression the two neighboring pixels shared a green sub-pixel but looking at close ups I don't think that's the case. It appears they used twice as many green pixels and staggered the red and blue ones.

The first pic in the article below is of a SLCD2, but they also compare SAMOLED to SAMOLED+ below it

http://www.engadget.com/2012/05/03/galaxy-s-iii-microscope-hd-super-amoled/

If you look at the color spectrum green is in the middle while red and blue are on opposite ends, so it only makes sense that there would be more green as it's almost always being used.
[Samsung Galaxy Nexus] ungovernable1977:
I just got an LTE Gnex today, coming from the ET4G, comparing the displays is like comparing two different Ferraris when everyone else is driving Yugos. I also had (have) the OG Epic, on THAT I could see the PenTile disadvantages, but I really think the display on the GNex has gotten a bad rap, and I am really happy with it.
[Samsung Galaxy Nexus] eman3316@optonline.net:
The only people who have been giving the GNEX screen a bad rap are the are the people who do not own own one or have never even seen in in person. They base there opinion on older pentile devices and and make claims that are no longer relevant on Pentile HD screens. If Samsung released the GNEX and SGS3 without telling us it was pentile, no one would even know unless you actually tested the screen.

Also, with the color and gamma mods now in custom kernels it makes a great screen look even better!
[Samsung Galaxy Nexus] haydonxda:
If you're displaying blue you need to light up the blue subpixels. If you're displaying white - maybe not. The white subpixel can do the work.

If the majority of on screen display has some grey component the RGB subpixels don't have to do as much work. If they (particularly the blue) does not have to do as much work then they last longer.

I don't know this for a fact but it sounds reasonable to me. I actually believe most people's hatred of pentile comes from FRC. When I looked at a Motorola that's where the "screen door" effect was coming from.
[Samsung Galaxy Nexus] adrynalyne:
...and those with defective screens that have the colors blown out of proportion.

Blacks should not be purple at any brightness level. I have one like this right next to me.

Sadly, my wife is sick in the head and likes it that way.
[Samsung Galaxy Nexus] Step666:
How would RGBB work though?

The only thing I can think of personally is that the RGBG Pentile matrix allows them to make larger blue sub-pixels than a standard RGB arrangement and that, maybe, the larger pixels are easier to manufacture in a manner that makes them less susceptible to dimming over time.

But that's just a guess on my part, I have nothing to back it up.

What white sub-pixel?

The Galaxy Nexus only has red, green and blue sub-pixels.
[Samsung Galaxy Nexus] ungovernable1977:
I think the discussion was about the two different amoled technologies, not defects... the assumption is were talking about two hypothetical phones with Samoled plus and with Samoled HD... not about your precious HTC products. :rolleyes:
[Samsung Galaxy Nexus] wilsonlam97:
Dim the blue pixels a lot. Less load = longer life???

Idk I'm not a expert.
[Samsung Galaxy Nexus] samven582:
I really hope the galaxy s3 screen does suffer the same problems the galaxy nexus is.
[Samsung Galaxy Nexus] rayiskon:
and what problems does the nexus screen have? :rolleyes:

assuming that only people who are sick in the head can see the difference between pentile and RGB matrix in a normal daily use.
[Samsung Galaxy Nexus] hotleadsingerguy:
They talked about this at the GS3 event when people asked why they were still using Pentile. It makes no sense, logically. The reason they did it is because it's cheaper to manufacture high-resolution screens with a pentile display-type. Do you really think Samsung wants to make their phones last the longest so that their customers don't have to buy new devices? Please. Don't assume Samsung is philanthropic in any way.
[Samsung Galaxy Nexus] kolyan:
It probably will not. People buy Nexus for Nexus even though screen sucks. Not many people will buy GS3 with a horrible screen.
[Samsung Galaxy Nexus] blackhand1001:
The first three iPhones had awful screens. Poor viewing angles contrast and resolution.
[Samsung Galaxy Nexus] zed011:
Purple/yellow tint variation? To be fair your casual non tech savy person would not notice that problem without comparisons. I read text and surf the web so the difference between pentile and rgb is easy to spot for me because I have been used to a higher standard. It depends where people coming from, if they come from a not so great 800x480 LCD to HD Super AMOLED they will like what they see but if they are coming from a high pixel density lcd like the iphone 4 or Super LCD2, they may realize the HD Super AMOLED is not as crisp as what they were used to seeing.
[Samsung Galaxy Nexus] rayiskon:
I came from an SAmoled Plus display. Unrealistic colors (comparing to slcd) are Amoled trademark, it's not pentile related, people who are getting weird color burns or whatever got a faulty display. The only way u can see the difference between pentile and RGB is by zooming as much as u can.
[Samsung Galaxy Nexus] kolyan:
Pentile is fine by me as long as its good quality
[Samsung Galaxy Nexus] Smokeey:
The Galaxy S III has an improved version of our screen. Probably free of some issues some users experienced.
[Samsung Galaxy Nexus] grant3d:
Perhaps its just personal preference but I found the display to be seriously lacking in brightness. Looking at previous Galaxy phones, pentile or plus, you could crank those to levels that would make your eyes bleed. I really don't understand why this one is so dim even on max brightness. My other issue was beige/slightly pink tinted whites.
[Samsung Galaxy Nexus] Step666:
Improved how?

I'm not saying you're wrong, I just haven't seen anything that's said that and am genuinely interested.
[Samsung Galaxy Nexus] JaiaV:
Less maximum brightness is common with AMOLED. I would think it's due to the fact that LCD screens use a backlight that lights the entire screen while AMOLED is lit pixel by pixel, where the black pixels are actually 'off' and not producing light.

As with anything else, there are advantages and disadvantages to both technologies. This is a good thing, as when there is more than one competing type of technology, we all benefit as they fight to improve over one another.
[Samsung Galaxy Nexus] haydonxda:
Right on. I didn't realize the AMOLED displays didn't have a white subpixel. I guess that makes sense on OLED.

At this point the only way that Samsung's claim of improved longevity makes any sense is if the blue subpixel is larger than it would be in RGB configuration. Which is probably true.
[Samsung Galaxy Nexus] lifanus:
People are exaggerating about the pen-tile display on the Galaxy Nexus. Seriously, it is not that big of a deal if you are not working with the display at 1" distance.
[Samsung Galaxy Nexus] barondebxl:
Exactly. Some people are really annoying and keep complaining about it. You hold your phone let say about 7-8 inches from your face when youre using ( just guessing) how the hell will you notice the pentile? I had the nexus and the note and couldn't notice it even when I was looking close.
[Samsung Galaxy Nexus] Smokeey:
If you can see the faults of PenTile on your Galaxy Nexus you're just trying to find something wrong.

Again, just more nit picking.
[Samsung Galaxy Nexus] kenerson:
I'm still wondering... what makes Pentile last longer than SAMOLED Plus?

I understand that it has something to do with the blue subpixel, but how does the arrangement increase the lifespan of the screen.

Or is Samsung pointing on the perception of the user (i.e., the user won't see it the deterioration easily given the high PPI that is possible in Pentile and not in SAMOLED+) or the actual deterioration under microscope?
[Samsung Galaxy Nexus] cslester:
While I agree that pentile is not as bad as some make it out to be, I can also say that I definitely notice it. Is it distractingly bad? No. But you can tell the difference.

Probably the spots where it is most noticeable is on any solid color (darker greys, reds and blues, in particular).

The high resolution of the phone helps to mitigate the Pentile display quite a bit, by eliminating the need for any single pixel lines. When I went in to see the Droid Razr, the first thing I noticed was the lines that seemed to shimmer, a result of its pentile display. That was one of the main reasons I waited for the Nexus.

The difference isn't big, but for me, it is a difference that I can't help but notice just about every time I use the phone.
[Samsung Galaxy Nexus] @rbiter:
???

...of the people, by the people, for the people...
[Samsung Galaxy Nexus] patrickl:
Guess he's talking about the graininess of the screen in low brightness solid greys.

Never understood how pentile causes that though. Isn't that more an issue with AMOLED?

Perhaps at low brightness less levels are available which in turn causes noise?