Database Users

Xperia's color gradients smoother than on other devices

There are always complaints on this forum about color banding on the Xperia's 65k display, so I thought that on my new Galaxy Tablet which boasts '16 million' colors in its specs this issue would not be present.
To my surprise, Xperia's color gradients are a lot smoother.
One example would be the XDA app welcome screen which is very smooth on the Xperia's screen, but shows coarse banding on the Galaxy Tab.
The dithering technique on the Xperia seems a lot more sophisticated and I came to question if Android OS is even capable of displaying over 65536 colors at all.
Any insights into the issue?
Sent from my GT-P1000 using XDA App

SE changed it to look better becouse normally it would should look worser with 65k and they didnt implented 16m Colors so they changed this to look better.

Samsung always fudge their numbers.
I remember buying a samsung monitor, which was the most expensive at the time, advertised as 16+ million colours and the thing done some horrible dithering - Everything had dithering on it! EVERYTHING.
The older LCD 16bit monitor it replaced had no noticeable dithering at all and gradient changes were subtle.
I've never bought a Samsuck product again.
The samsung galaxy S is also doing some weird stuff with its colours, it's blacks are fantastic but everything else is bleh!! and the pixels are about 10X bigger than the X10s.

The color from 1.6 were noticeably garbage....alot of my favorite wallpapers looked like **** with lines all over....I couldn't even use them. Then SE announced they would not be giving us 16M colors in 2.1 so I was pissed! BUT! I didn't know they were going to do something with the colors...because whatever they did they most certainly did a damn good job because the colors in 2.1 are phenominal! ALL the wallpapers I choose look AWESOME! As for Samsung....I think there super amoled screen is overated...I just sold my Galaxy S to return to the X10...the screen is really nice on the Galaxy, but like I said before the higher resolution on the X10 makes it a very VERY close match IMO.

Mr Patchy Patch said:
I just sold my Galaxy S to return to the X10...
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Applause!!!

Mr Patchy Patch said:
...I just sold my Galaxy S to return to the X10....
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Good call!

im_iceman said:
Good call!
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Yes...now next time someone tries to brag about having a galaxy....i can laugh in there face lol.
Sent from my X10a using XDA App

cytokine said:
There are always complaints on this forum about color banding on the Xperia's 65k display, so I thought that on my new Galaxy Tablet which boasts '16 million' colors in its specs this issue would not be present.
To my surprise, Xperia's color gradients are a lot smoother.
One example would be the XDA app welcome screen which is very smooth on the Xperia's screen, but shows coarse banding on the Galaxy Tab.
The dithering technique on the Xperia seems a lot more sophisticated and I came to question if Android OS is even capable of displaying over 65536 colors at all.
Any insights into the issue?
Sent from my GT-P1000 using XDA App
Click to expand...
Click to collapse
a bit off topic....can you post a pic of your X10 next to the galaxy tab.Want to see the size comparison

Yes....dark blacks aside, the colors in the SGS are too oversaturated and a pain on the eye. Also, all the AMOLED screens have a strange greenish-blue tint to the colours - I have nticed this in all AMOLEDs, right from the Nokia N86 to the Samsung Wave to the SGS...

bbsrailfan said:
Yes....dark blacks aside, the colors in the SGS are too oversaturated and a pain on the eye. Also, all the AMOLED screens have a strange greenish-blue tint to the colours - I have nticed this in all AMOLEDs, right from the Nokia N86 to the Samsung Wave to the SGS...
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Lol I thought it was just me that saw that weird tint to the colors. It is really noticeable when you compare it to our screens.
Sent from my X10i using XDA App

mith500 said:
a bit off topic....can you post a pic of your X10 next to the galaxy tab.Want to see the size comparison
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Don't have much in terms of a proper photo equipment, but there you go.
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Green tint

Do you have the problem that your screen has a slightly green tint?
It is possible to get rid of it by using apps like "filter your screen" (just add more red and even more blue). But there's no comparison to tools like voodoo color (v1 and gamma correction) on a galaxy nexus/s.
"Filter your screen" biggest problem is that it kills the good black level performance on an oled, contrast is lowered too much for my taste...
Do you guys know some better alternatives (even with enabled root or other hacks)?

http://forum.xda-developers.com/showthread.php?t=1983345
Hope, someone could adress this

Don't get me wrong. But I hate the screen!
This is what my screen looks like (compared to a calibrated TFT...
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I dont have that problem

bhasg1007 said:
I dont have that problem
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It's a screen problem, not caused by the software. But it is possible to get rid of it porting a kernel module called "ColorControl" which was used in many Galaxy Nexus' custom kernels.

Yes during my Galaxy S days i used to have vodoo colour which used to make the screen look amazing, waiting for supercurio or anyother developer to port the option to galaxy note2

bhasg1007 said:
Yes during my Galaxy S days i used to have vodoo colour which used to make the screen look amazing, waiting for supercurio or anyother developer to port the option to galaxy note2
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So you have the same problem?
As far as I know ColorControl is just a port of voodoo color from the Galaxy S1. So it should be possible to port it to the Galaxy Note 2 as well. Otherwise I'm going to return this nice device with that sh***y display. I will never buy a smartphone with an amoled display again!

Bad luck that you have got a faulty screen

bhasg1007 said:
Bad luck that you have got a faulty screen
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Yesterday I went to a store here in Germany, and the Note 2 there had the same color cast.
I really like the Note 2 but I hate its display. This is embarrassing for Samsung!

Exchange your device.

Looks like this is screen problem, I have perfect white color. Try to test it from *#0*# menu (type this combination at phone app)

Got my replacement today: Gues what?! Exactly the same...
At least the build quality is much better.

I've noticed the same green tint that kind of goes away the brighter the phone gets. My eyes adjust after a few minutes though and I can't really see it. I would really like to get a colortemp/hue adjuster though.

Too bad you guys got faulty screens, as i have slight blue tint on my screen but i absolutely love this! I had One X 6 months and i would never want to change this display to that on One X, this is the best display i've ever seen. I guess it's just me then...
Sent from my GT-N7100 using xda premium

Mine only shows tints at different angles
Sent from my GT-I9300 using Tapatalk 2

supercurio said:
Exchange your device.
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I always smile when I see you.
The phone is bad with out your touch

I think the color calibration is totally off on this phone. They chose to calibrate it this way, and it is out of my hands so it doesn't bother me because I love the device. Videos look great when I want to watch them.
Color is all relative because you cannot choose the color of the ambient light around you, so you are never seeing the pure color unless you are in a controlled environment. So why get hung up about how inaccurate the color looks on something in comparison to something else that's not bouncing the true color you're looking for?

Ink spots in S4 ?

A friend of mine used today a S4 and says it has some Ink spots.
Anyone else have Ink Spots?
.

You mean like these on the SGS3? I'd be surprised if the SGS4 didn't have them. The N2 did. My N2 may or may not have them because I've never looked at its display on a solid grey background with brightness turned down to zero in a dimly lit room as I don't typically use my phone on a solid grey background at zero brightness in a dimly lit room. There are always multi-page threads in every Galaxy with a SAMOLED display's forum talking about the "ink marks." Yet other then in the situation I described its never affected anyone in everyday use. People that this is going to freak out shouldn't buy a SAMOLED display.
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BarryH_GEG said:
I don't typically use my phone on a solid grey background at zero brightness in a dimly lit room.
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But..... that's .00000000000000000000000009% of my typical usage. Why Samsung!?! Why!?!
Sent from my LG-E970 using Tapatalk 2

What Barry said. Those blotches are pretty much standard. If you go "looking" for things, you could see backlight lines on perfectly white backgrounds on LCD too if you're REALLY looking for it. The thing is none of these are even nearly noticeable on daily usage. And neither do they interfere with your usage tbh.
That said, if you're buying the phone to view an entirely black image in a pitch dark room with low brightness, then avoid any AMOLED devices

GS4 has greatly reduced DC Bias. Much better contrast than the GS3 and Galaxy Nexus.

I remember having them on my old SGS3. Really annoyed me so I feel your pain.

It's called "mura" and is present on every Samsung device I have owned (GS2, Note, GS3, Note 2)

KillaHurtz said:
It's called "mura" and is present on every Samsung device I have owned (GS2, Note, GS3, Note 2)
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Yep, every single SAMOLED device, Samsung or not, has it AFAIK. Degrees might vary, but it's there.
http://forum.xda-developers.com/showthread.php?t=1365032
There are some members saying that apparently applying heat reduces the effect, not even gonna try it though. It is not that noticeable on my Note 2 even on low brightness/pitch black screen on pitch black room. S II users were the ones who had real torrid time with blotches.

tuxonhtc said:
Yep, every single SAMOLED device, Samsung or not, has it AFAIK. Degrees might vary, but it's there.
http://forum.xda-developers.com/showthread.php?t=1365032
There are some members saying that apparently applying heat reduces the effect, not even gonna try it though. It is not that noticeable on my Note 2 even on low brightness/pitch black screen on pitch black room. S II users were the ones who had real torrid time with blotches.
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Yeah, definitely don't try this. Can't remember where now but someone had this complaint about their Note II and went and used a heat gun on it. Suffice to say that "tiny annoyance" turned into a "I've got to call and get a replacement and this is going to be an awkward conversation". No idea if he got it replaced under warranty or not.

I didn't know.
Now i'm well informed, and will buy my S4 on May. :laugh:

I've had that on my SGS2, the screen was gorgeous so no worry.

I don't think even there are some black spots, anybody can recognize them
The black on S4 is tooooooooooooo black, much much much deeper black than Note 2
I can still see the luminance on Note 2 in dark room, not S4

pack21 said:
A friend of mine used today a S4 and says it has some Ink spots.
Anyone else have Ink Spots?
.
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it's normal for OLED displays, even the ps vita has it.

[Q] Black level

Searched google and couldn't find user input on the black level. According to that early test by a Chinese site they found black level to be extremely good. Here's the image
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Now as the phones reaching users can anyone confirm in pitch black the amoled output? To me that's the most impressive improvement dating back to when amoled first went HD on the galaxy nexus and lost that level of output.

Yes, it is totally black. Way better than S3 and Note 2.

The blacks are the best I've ever seen.
The pixels are completely off, as opposed to previous amoled screens where there was still a light glow.

Wanted to give this Q too I had previously SGS2 and SGS3 is it even better than SGS2 display in the case of black displaying? I was very satisfied with SGS2 blacks... THX

kultus said:
Wanted to give this Q too I had previously SGS2 and SGS3 is it even better than SGS2 display in the case of black displaying? I was very satisfied with SGS2 blacks... THX
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It's much better., Infact it''s impossible to get better blacks as the pixels are completely off.
I was always disappointed with previous phones as in a dark room once your eyes focused the blacks would look light grey and you could see blotches and streaks.
On the s4 you see nothing at all.
If you switch your phone on in the dark all you see is the samsung logo on the screen, nothing else.

perfect THX for response I hope that will have zero stuck/dead pixels

That's amazing. It's pretty poor form that all reviews as far as I'm aware have stated the previous amoleds with that slight glow as infinite black.
Anyway the S4 finally has something I'm really jealous of now. Another question similarly relating, does the brightness go lower than the S3?
?????? Galaxy S3 ??????

I think something is wrong with mine. I have the Galaxy S3 and I would say it's a really dark gray, not quite black. But on the S4, I'd say it has a reddish tint to it when I have it all black in a dark room. I may try and take a picture of it tonight.

jasbur17 said:
I think something is wrong with mine. I have the Galaxy S3 and I would say it's a really dark gray, not quite black. But on the S4, I'd say it has a reddish tint to it when I have it all black in a dark room. I may try and take a picture of it tonight.
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I think its every device or atleast very common, but most people havent notice it (atleast not yet) . Ive come to realize its software related so im not freaking out yet. Just posted this in the ATT forums: http://forum.xda-developers.com/showpost.php?p=40841213&postcount=104

It is honestly that black that when I was waiting on a video to buffer in my pitch black room that it looked like the blue circle was floating!! literaly no light on screen apart from the blue circle. It actually looks really cool lol

Infy_AsiX said:
That's amazing. It's pretty poor form that all reviews as far as I'm aware have stated the previous amoleds with that slight glow as infinite black.
Anyway the S4 finally has something I'm really jealous of now. Another question similarly relating, does the brightness go lower than the S3?
?????? Galaxy S3 ??????
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It is brighter than S3. :good:

It is perfectly black unless you suffer from the bug I posted about here: http://forum.xda-developers.com/showthread.php?t=2256651 .

its pitch black, i tried finding some ink spots/ blotches and black level last night but failed miserably

suadion said:
It is perfectly black unless you suffer from the bug I posted about here: http://forum.xda-developers.com/showthread.php?t=2256651 .
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ghosting problem I'm reading on xda sounds bad too
?????? Galaxy S3 ??????

There is a comparison between S3 and S4 black/grey scale in this video, FFW to 17:10 (or watch the whole unboxing and comparison to HTC One video if you want).
You may have seen this by now, but if not it might answer some of your questions.

Can we all agree ? The Screen is FANTASTIC! (And here's some videos to prove it)

Just wanted to voice how great this screen really is! I'm a G3, Note 3, S5, S4, Note 2 -
I was so excited for the G3 and then the screen on that thing had no VIVID colors! What a huge disappointment - it went back.
If you'd like to see how great this screen really is, TURN up the brightness, go here to this post http://forum.xda-developers.com/showpost.php?p=56100084&postcount=14 and grab those videos!!
Killer!

Samsung and Apple both have the best screens on mobile products. The LG G3's (QHD 2560x1440) screen is amazing but it uses IPS LCD screen while the Galaxy note 4 uses SuperAMOLED 2D screen.

I agree I had g3 and fixed my self to like it this screen blows it out the water
Sent from my SM-N910V using XDA Premium HD app

To be fair, the colors on Samsung devices (by default) are vivid, but not accurate. Not sure how accurate the G3 is, but Apple screens are generally quite a bit more accurate than Samsung screens.
From what I've read the Note 4 has the option to use vivid or accurate color rendering, the accurate is at least as good as the iPhone 6 (plus the option to have the colors really pop.)

im excited to see screen today!!! g3 has good screen i think (thats about it imo though but good screen) so we will see!

So excited!!!!
So which wallpaper will anyone be using? Stock Note 4 or anything you have prepared to use for it? I'm spending so much time browsing 2560x2560 wallpapers but can't really decide which to choose.

FuzzRaven said:
So which wallpaper will anyone be using? Stock Note 4 or anything you have prepared to use for it? I'm spending so much time browsing 2560x2560 wallpapers but can't really decide which to choose.
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Still getting mine setup but I really dig this stock wallpaper:
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Sent from my SM-N910V

skrubol said:
To be fair, the colors on Samsung devices (by default) are vivid, but not accurate. Not sure how accurate the G3 is, but Apple screens are generally quite a bit more accurate than Samsung screens.
From what I've read the Note 4 has the option to use vivid or accurate color rendering, the accurate is at least as good as the iPhone 6 (plus the option to have the colors really pop.)
Click to expand...
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Anandtech, Displaymate and others state the color coverage is the best of any device. Depends on the setting. Vivid is still an option.

i do love this screen, but i very slightly see what some people said about the upper right hand portion of the screen having more of a reddish hue than the rest. mine has that, but it's pretty slight and only noticable on white screens like in the menus, so i don't care much. everything else about the phone works perfectly so i'm happy!

TheMavic said:
Still getting mine setup but I really dig this stock wallpaper:
Sent from my SM-N910V
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Oh wow! I love it. It looks awesome on the Note 4. Thanks for bringing that to my attention. :good: :good:

There appears to be some G3 owners in denial that their power hogging, low contrast displayed device is better and the N4 is a laggy while the G3 is super fast. This in contradiction of most reviews and my own experience.
G3 is a good device, but the display is a more than usual resource killer.