I dont understand why these newer screens just look worse in coloration to me. It seems like all these new phones have a blue or green tint to the screens. I went to look at a Epic 4g touch in the store today because I love the form factor but the screen doesnt look as good to me. Is this fixable with some sort of calibration? Or is the hue always there? I want a new phone but I dont know what to do! I like the screen of my old one more!
What say you XDA experts! Looking forward to your responses!
I think you're 100% right. I remember comparing my old G2x screen to the display unit at the sprint store and being quite turned off by it. It even took me a few weeks to get used to the "bluish" color of the Epic... however.. I do so love that deep black. Wow.
Aagghh! So there's just no way to fix it? Seems like the only neutral screen these days is the 4gs
rnp614 said:
Aagghh! So there's just no way to fix it? Seems like the only neutral screen these days is the 4gs
Click to expand...
Click to collapse
Check out "Screen Adjuster" by Netman in the market. It let's you adjust the RGB values of the screen, as well as the contrast.
Watching videos on the GS2 is very hard on the eyes if there are a lot of dark scenes... Most of the detail gets lost because of the deep black, even with the brightness turned up to 100%. This app lets me crank up the contrast as well so I can actually see detail in dark scenes.
Essential free app, in my opinion. It can be set to autorun at system startup, or you can run it on demand (that's how I use it).
Any way someone could post comparison screen shots? Would be interested to see how neutral one can get it. Also does using that program cause more battery drain?
rnp614 said:
I dont understand why these newer screens just look worse in coloration to me. It seems like all these new phones have a blue or green tint to the screens. I went to look at a Epic 4g touch in the store today because I love the form factor but the screen doesnt look as good to me. Is this fixable with some sort of calibration? Or is the hue always there? I want a new phone but I dont know what to do! I like the screen of my old one more!
What say you XDA experts! Looking forward to your responses!
Click to expand...
Click to collapse
There's a setting to adjust the colors to make it less saturated. Lighter colors especially white will never be pure white, then again there is no true black on an LCD
Sent from my SPH-D710 using xda premium
So it wont ever look as white as my evo 4g? Agh. I think I'll just wait for a Tegra 3 phone.
rnp614 said:
Any way someone could post comparison screen shots? Would be interested to see how neutral one can get it. Also does using that program cause more battery drain?
Click to expand...
Click to collapse
Before I used the program, I could watch 2 full-length movies streaming 3G via Netflix and still be at 45-50% battery. After I started using the program, my battery usage didn't seem to change, at least not that I've noticed.
So I purchased the CDMA Galaxy Nexus last week and love it. I'm coming from a Nexus S and while I think the S had a better screen I think the Galaxy's is great nonetheless.
Either way before I purchased it I lurked these threads and saw that a few of you were having screen related issues. So upon buying the phone, I promptly installed a few screen tester apps to check mine.
I found mine to have quite a few imperfections while displaying an all black screen. Blotches and lines to be exact. And so I asked Amazon for a replacement.
The replacement ended up having fewer imperfections than my original one but they were still there. And not only that but it seemed that the colors were more faded on the replacement one too. So now I have the two phones here and don't know what to so.
Should I keep my original one and stop obsessing, should I send the original one back or should I just say screw it and send both back in hopes for a better third unit?
Sent from my Galaxy Nexus using xda premium
No opinions/suggestions/advice...? Anything? ANYONE??
Exchange, not exchange...get an iPhone, maybe?
(Okay that last one was too much, but you get my point...)
Sent from my Galaxy Nexus using xda premium
The franco.kernel app has handy color control options, imo thats about the best thing its good for, it eats the hell out of battery and I get random reboots once a day since flashing it.
The nexus s has better screen than the galaxy nexus super AMOLED HD lol u clearly don't know what ur on about the blotches and stuff is normal on a amoled screen if it is displaying black
If it isn't noticeable under normal use, just stop obsessing about it. I've noticed on a flat black or dark grey screen there are a couple bands (nothing major) but I can't ever notice them in normal use. Its just not worth my time.
martonikaj said:
If it isn't noticeable under normal use, just stop obsessing about it. I've noticed on a flat black or dark grey screen there are a couple bands (nothing major) but I can't ever notice them in normal use. Its just not worth my time.
Click to expand...
Click to collapse
Sent from my Galaxy Nexus using XDA App
Totally agree. AMOLED has issues in terms of a few production defects, but nothing major.
If it bothers you in daily use, exchange. If it is only noticeable when you look for it, stop looking
Thanks for the replies guys
Yes, IMO my Nexus S's screen has more vibrant colors than the Galaxy's. But that's not to say that I don't think it's gorgeous still. It may be due to Voodoo colors or who knows. I use the tweaks in Franco's app by the way, and that has made it much better.
My main concern over the blotches is that it could be an indicator of a possible early screen failure. Probably not however, I'll stop obsessing.
Sent from my Galaxy Nexus using xda premium
brmayhem said:
Thanks for the replies guys
Yes, IMO my Nexus S's screen has more vibrant colors than the Galaxy's. But that's not to say that I don't think it's gorgeous still. It may be due to Voodoo colors or who knows. I use the tweaks in Franco's app by the way, and that has made it much better.
My main concern over the blotches is that it could be an indicator of a possible early screen failure. Probably not however, I'll stop obsessing.
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
Like the other person said, it is normal to see blotches on a full black screens when in a dark room. Some spots are darker on the screen and sometimes you will see lines. Not a big deal to me.
There are some kernels that allow you to change the colors which will give you a great improvement. Like someone mentioned Franco's kernel and also lean kernel.
If you install AOKP and lean kernel you can control the colors right in the settings menu. For Franco's kernel you might have to by his app for that. Not sure you you can change the color's within the Rom.
I also believe CM9 might have color settings built into the Rom with the stock kernel...
If you mean some lines and pixelerror like thingys on black dark screen than I can tell you:
I'm with my 3th GNex now and all had this "errors" but I can't see them on daily usage; just when for example I'm in a completely dark room and brightness is on 0% and then it's kinda hard to see it too...
So, the other day I purchased a Datacolor Spyder 4 Pro screen calibrator. Being a photographer I want all my (primary) displays to look as natural and true to what my eye sees as possible.
So I decided to try calibrating my Gnex screen. I don't know any good way of doing this so I had to improvise, what I did is I first took screenshots of the entire calibration process and came to the conclusion that it simply shows 5 images: one solid white, black, red, green and blue image and measures it to define the accuracy of the uncalibrated screen. Then having told the calibration software that the screen has built in RGB sliders (the gnex doesn't I know, but I ticked the option anyway, you'll understand soon why) it then gives me a screen where it measures from a solid white image how much bias there is in either of the channels (red, green and blue) and gives a clear diagram overview, the objective is to adjust the RGB sliders of the monitor to make the 3 bars align (thus having no bias/tint in either channel for a natural reproduction). What I did here is that I used the color control feature available in various custom kernels (I'm using franco) and adjusted the color multipliers until' I my calibrator reported it being even and natural. I also used the RGB Gamma for some minor fine tuning.
I returned to the home screen and WOW, it's looks better than ever, grays are perfectly natural with NO GREENISH, CYAN OR PURPLE TINTS anywhere! Whites aren't perfect, leaning more toward a bright light gray, but worth noting I'm having only 31% screen brightness and I'm not sure if AMOLED can achieve a pure bright white image without a ton of cyan bias.
---
Tl;dr
Long story short, I got an hardware screen calibrator and used it to assist me get the most natural values with the color control in franco's kernel and it just pure amazing with none of the tints that the gnex is known for having.
My final values:
NOTE: These values may or may not look good for you, every AMOLED screen is different and needs different settings, these are simply the settings that worked for me, what's best for your device might be completely different!
Multipliers: 233 175 210
RGB Gamma: 1 0 1
Trinity contrast: 0
OMAP gamma: 1.0/disabled
Are the multipliers in order as RGB? Because these settings just make my screen look orangey
First thing, thank you for post:good:, i had looked for somebody to do a true calibration ever since i bought my gnex, having been spoiled before by my nexus s slcd screen, which was an excellent batch, so moving to the SAMOLED HD, for me, wasn't as great as i had hoped.
Still even after trying all the presets and fine tuning it still is slightly off.. (annoying thing with these screens not being all the same and being so different on quality, so you can't simply just input the color values and get the same result).
Anyway i like your numbers, they look pretty god on my screen.
Off topic: I'm probably wrong, but i think read somewhere that going over 200 on the color multipliers was supposed to make the screen more susceptible to burn in?
nitsua98 said:
Are the multipliers in order as RGB? Because these settings just make my screen look orangey
Click to expand...
Click to collapse
Thanks for the reply. They should be in order indeed. Note that every display is different so it may not be what's best for your individual device. Additionally, AMOLED screens I believe is said to wear/fade quite quickly compared to LCD with use and also due to the way the actual panel works in our screens each color channel will fade with different pace, effectively leading to unbalanced colors based on what you view on it; For example if you view a lot of red colors, the reds will start fading and thus everything will look a tad cyan-tinted. Finally there may be a difference in the kernel you use and the version of that kernel.
Simply put, unfortunately it's not guaranteed that what looks best for everyone else as each screen is different.
Oh, another thing I noticed; Screen brightness actually affects the color balance pretty largely. Higher brightness means less greens and more reds/blues.
VirgilO said:
First thing, thank you for post:good:, i had looked for somebody to do a true calibration ever since i bought my gnex, having been spoiled before by my nexus s slcd screen, which was an excellent batch, so moving to the SAMOLED HD, for me, wasn't as great as i had hoped.
Still even after trying all the presets and fine tuning it still is slightly off.. (annoying thing with these screens not being all the same and being so different on quality, so you can't simply just input the color values and get the same result).
Anyway i like your numbers, they look pretty god on my screen.
Off topic: I'm probably wrong, but i think read somewhere that going over 200 on the color multipliers was supposed to make the screen more susceptible to burn in?
Click to expand...
Click to collapse
And thanks to you for your reply. I actually believe I've heard someone that had used hardware to measure up the best settings for a natural 6500K color balance, but as I replied above, each screen is different and thus they were slightly too much on the blue/cyan end for me. To be honest, most settings I've tried that others have claimed to look great have always been too much green or too much blue. I've tried to adjust after my own eyes and gotten pretty close to what I believe to be good colors but always there is some kind of flaw, so I'm quite surprised to be honest I was able to get such a good overall result.
As for the color multipliers, I've heard it too but I have never seen anyone confirm it, so I'd call it off as a rumor. The burn-ins I've seen using values around 150-200 previously only apply to bright contrast colors and fades away within 2-3 seconds at most and 31% screen brightness is rather low I'd say.
---
On another note.. I just want to add that this isn't necessarily a full calibration but just an attempt to reach the most balanced color values. When it comes to gamma and contrast however I'm not sure it's really possible to mimic that of an LCD screen due to the way AMOLED handles blacks and produces very vibrant colors.
Timmyfoxeh said:
Thanks for the reply. They should be in order indeed. Note that every display is different so it may not be what's best for your individual device. Additionally, AMOLED screens I believe is said to wear/fade quite quickly compared to LCD with use and also due to the way the actual panel works in our screens each color channel will fade with different pace, effectively leading to unbalanced colors based on what you view on it; For example if you view a lot of red colors, the reds will start fading and thus everything will look a tad cyan-tinted. Finally there may be a difference in the kernel you use and the version of that kernel.
Simply put, unfortunately it's not guaranteed that what looks best for everyone else as each screen is different.
Oh, another thing I noticed; Screen brightness actually affects the color balance pretty largely. Higher brightness means less greens and more reds/blues.
And thanks to you for your reply. I actually believe I've heard someone that had used hardware to measure up the best settings for a natural 6500K color balance, but as I replied above, each screen is different and thus they were slightly too much on the blue/cyan end for me. To be honest, most settings I've tried that others have claimed to look great have always been too much green or too much blue. I've tried to adjust after my own eyes and gotten pretty close to what I believe to be good colors but always there is some kind of flaw, so I'm quite surprised to be honest I was able to get such a good overall result.
As for the color multipliers, I've heard it too but I have never seen anyone confirm it, so I'd call it off as a rumor. The burn-ins I've seen using values around 150-200 previously only apply to bright contrast colors and fades away within 2-3 seconds at most and 31% screen brightness is rather low I'd say.
---
On another note.. I just want to add that this isn't necessarily a full calibration but just an attempt to reach the most balanced color values. When it comes to gamma and contrast however I'm not sure it's really possible to mimic that of an LCD screen due to the way AMOLED handles blacks and produces very vibrant colors.
Click to expand...
Click to collapse
Actually deterioration is a problem with normal AMOLED screens. Samsung uses PenTile configuration to mitigate that in the SAMOLED and SAMOLED Plus variants. More info in the following interview with a Samsung engineer:
http://www.mobileburn.com/19548/new...ed-displays-last-longer-thats-why-we-use-them
I put in these values using the Trickster app and my screen looked absolutely rubbish. There is no option to enable/disable Omap gamma in trickster, could that be the reason for the bad colors?
Screenshot please
Sent from my Galaxy Nexus using xda premium
Justinhopaolo said:
Screenshot please
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
Face meet palm...
Why would the settings on his device be shown in a screen shot that you're viewing on yours?
its looks like cyan effect for photo on my screen..:/
063_XOBX said:
Face meet palm...
Why would the settings on his device be shown in a screen shot that you're viewing on yours?
Click to expand...
Click to collapse
Ummm.. Before and after?? Captain perfect
Sent from my Galaxy Nexus using xda premium
This works very well on my phone, but I change the omap gamma to 6
Thank you again :thumbup:
---------- Post added at 04:05 AM ---------- Previous post was at 03:51 AM ----------
Justinhopaolo said:
Ummm.. Before and after?? Captain perfect
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
He's right, smartass, the screen shot is just the source of color, no matter how you calibrate your screen, every screen shot looks the same on other devices. We can only notice with real eyes contact.
Justinhopaolo said:
Ummm.. Before and after?? Captain perfect
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
That makes as much sense as taking screenshots of different brightness levels.
Justinhopaolo said:
Ummm.. Before and after?? Captain perfect
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
You must be a genius. Never heard anyone call somebody "Captain perfect" either. Pretty crappy insult.
Glad to see some people have enough sense to realize screenshots are software rendered though.
063_XOBX said:
Face meet palm...
Why would the settings on his device be shown in a screen shot that you're viewing on yours?
Click to expand...
Click to collapse
You knew this was going to happen lol.
Sent from my Galaxy Nexus using Tapatalk 2
AbhishekS said:
I put in these values using the Trickster app and my screen looked absolutely rubbish. There is no option to enable/disable Omap gamma in trickster, could that be the reason for the bad colors?
Click to expand...
Click to collapse
Every screen is different, what looks good for me might look rubbish for you unfortunately :/
Also because someone asked for a before/after...
Now this will be highly unscientific and hard to reproduce but here's a before/after example (clicky for larger image):
Also advised you look at it with a good desktop monitor, and bear in mind that cameras are not perfect in any way so even if the camera settings used were identical and white balance set to match as closely as possible, it may not look to you as significant in terms of differences than it is to my eye. Nonetheless I can certainly see a difference especially in the gray and white tones.
The before example is not the stock kernel but simply the reference settings of all multipliers set to 200 and RGB gamma all set to 0. I believe this should be fairly similar to what stock kernel shows.
Still looks orangeish to me so I lowered red down to 220. But thanks anyways. I always love testing these.
A screenshot won't show screen adjustments...
Justinhopaolo said:
Ummm.. Before and after?? Captain perfect
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
Sent from my Galaxy Nexus using Tapatalk HD
You had a green tint before u changed it. I can that in the Google Search bar.
And what's funny is the color u recommended are extremely similar to mine lol.
*Multiplier*
Red: 235
Green: 170
Blue:206
*RGB Gamma*
Red: 4
Green: 0
Blue: 2
Trinity: 0
Omap:1
But yeah I had a very greenish tint in my screen. Made my keyboard look brown before I rooted. =|
--------------------------------------------------
If I have helped you.... hit that sexy thanks button. ^_^
Justinhopaolo said:
Screenshot please
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
Amazing. Just amazing. Can't believe we still have people who say things like this.
Sent from my Galaxy Nexus using xda app-developers app
after looks better imo
I like the effect of negative color.. but I dont know if it drains battery faster or not..
Any information is appreciated
from Godfather GT-N7100
TRIANGALE AWAY can make your WARRANTY STAY
hit thanks if you love your phone
gabamoner said:
I like the effect of negative color.. but I dont know if it drains battery faster or not..
Any information is appreciated
from Godfather GT-N7100
TRIANGALE AWAY can make your WARRANTY STAY
hit thanks if you love your phone
Click to expand...
Click to collapse
The feature itself does not drain battery more or less, it depends what colors will be on during the screen time. If you look at a mostly white screen then the answer to your question is YES. AMOLED screens only consume power when color is displayed, so everything black on your screen is actually not using any power, white on the other side is reaaally bad for OLED and AMOLED screens, because all subpixels need to be powered. So only by using a black wallpaper you should save some battery life, whether you achieve this by using inverted colors or not does not matter in the end. I also remember reading about blue pixels dying the earliest in AMOLED screens, that was when I was using my Galaxy SII, I don't know if that is still the same for Note II. I used to avoid blue wallpapers etc...
Here is a little info
Not really yeah but it's said dark colours are more battery friendly.
Sent from my GT-N7100 using xda app-developers app
If I spend a lot of time with my screen on does the color of the background wallpaper have a measurable effect on battery life? I've heard that a plain black background uses the lowest power. Is it a big enough deal to give up a nice background screen?
I don't think there is much if any difference in battery life based on the background picture. Brightness along with screen time affects this phone more then anything else.
Sent from galaxy note 2, tablet in my pocket! ^_^
I would assume that a live background would make a difference in battery though. Iv always used a black background since my G1 but thats just because I like it but u could always do a test and see if it does effect battery compared to different colors.
rogerbacon50 said:
If I spend a lot of time with my screen on does the color of the background wallpaper have a measurable effect on battery life? I've heard that a plain black background uses the lowest power. Is it a big enough deal to give up a nice background screen?
Click to expand...
Click to collapse
With our AMOLED screens having a darker background actually does help. I was reading up on something where when u have a black pixel, the cpu instead of turning that pixel color black, it shuts off the pixel.... So it should save some power. As for color regarding solely on processor use, id say its very minute and shouldnt effect ur power consumption that much
Sent from my SGH-T889 using XDA Premium HD app
moabizzi said:
With our AMOLED screens having a darker background actually does help. I was reading up on something where when u have a black pixel, the cpu instead of turning that pixel color black, it shuts off the pixel.... So it should save some power. As for color regarding solely on processor use, id say its very minute and shouldnt effect ur power consumption that much
Sent from my SGH-T889 using XDA Premium HD app
Click to expand...
Click to collapse
This