i haven't seen any complaints about ghosting so it may just be my phone but i have it really bad.
it's very visible when i scroll through my home screens because i have a near black background and use the red and white data widget.
it also makes text and such look horrid when i scroll through menus or web pages
deyna said:
i haven't seen any complaints about ghosting so it may just be my phone but i have it really bad.
it's very visible when i scroll through my home screens because i have a near black background and use the red and white data widget.
it also makes text and such look horrid when i scroll through menus or web pages
Click to expand...
Click to collapse
You probably have the brightness set extremely high or extremely low.
Whenever CM7 comes out for the D3, you can try adjusting render settings to improve the overall gamma of the screen. I'm guessing you're just more sensitive than most to a high-persistence screen, unless you have found a way to monkey with your refresh rate
rynosaur said:
You probably have the brightness set extremely high or extremely low.
Whenever CM7 comes out for the D3, you can try adjusting render settings to improve the overall gamma of the screen. I'm guessing you're just more sensitive than most to a high-persistence screen, unless you have found a way to monkey with your refresh rate
Click to expand...
Click to collapse
i've got a friend who has the same phone so i'll see if his is the same.
i haven't messed with the screen settings at all and have it set to auto brightness.
my last phone was the Nexus S with it's s-amoled screen. does this screen have a lower refresh rate then it did?
i know normal monitors have about a 60hz refresh rate but i know nothing about smart phone screens.
deyna said:
i've got a friend who has the same phone so i'll see if his is the same.
i haven't messed with the screen settings at all and have it set to auto brightness.
my last phone was the Nexus S with it's s-amoled screen. does this screen have a lower refresh rate then it did?
i know normal monitors have about a 60hz refresh rate but i know nothing about smart phone screens.
Click to expand...
Click to collapse
You've got me on the specs. I know desktop LCDs/LEDs are capable of higher refresh rates, but those aren't necessary for regular applications (read: non-bluray, non/gaming). Not sure where a smartphone like the D3 would land in the gamut between 29mhz and 120mhz.
deyna said:
i haven't seen any complaints about ghosting so it may just be my phone but i have it really bad.
it's very visible when i scroll through my home screens because i have a near black background and use the red and white data widget.
it also makes text and such look horrid when i scroll through menus or web pages
Click to expand...
Click to collapse
I've got a little...not exactly ghosting, but similar...on mine. It seems to me that the display controller for the pentile screen isn't outputting all of the color channels at the same time, so i end up with a red fringe or bloom around objects scrolling across the screen. Hopefully, a firmware update for the chip can fine-tune things.
rynosaur said:
You've got me on the specs. I know desktop LCDs/LEDs are capable of higher refresh rates, but those aren't necessary for regular applications (read: non-bluray, non/gaming). Not sure where a smartphone like the D3 would land in the gamut between 29mhz and 120mhz.
Click to expand...
Click to collapse
hmh i wish.
29mhz would be 29,000,000 refreshes per second XD
on computer monitors 60hz has been the norm for a long time. all my old CRTs use it. the newer 3d tvs and such generally need a 120hz refresh rate at the least.
even my dell inspiron 1420 has an lcd with a 60hz refresh rate and it can play bluray.
i remember there being one phone not too long ago that was limited to 30hz and most didn't like that one bit.
Xenoproctologist said:
I've got a little...not exactly ghosting, but similar...on mine. It seems to me that the display controller for the pentile screen isn't outputting all of the color channels at the same time, so i end up with a red fringe or bloom around objects scrolling across the screen. Hopefully, a firmware update for the chip can fine-tune things.
Click to expand...
Click to collapse
you may be right. i'll check another phone or two and if they have the same problems i'll just hope that an update or rom can fix it.
FYI: this has not that much to do with refresh rate, but more with response time. Response times are displayed in milliseconds most of the time.
For example, my uber-gaming-tft-display has a 2 milliseconds response time, which is very low and has almost no ghosting.
So, the question is: what is the response time of the qHD display in the droid 3.
I noticed the ghosting is way more visible on black backgrounds than on white. Good thing motorola changed the background in the android menu's from the default black to white.
I have noticed the ghosting too but have to admit that I actually like it. Especially while playing Emulators like FPSE and Gameboid it brings back the real PSP feeling. I know, its a weird oppinion.
rvschuil said:
FYI: this has not that much to do with refresh rate, but more with response time. Response times are displayed in milliseconds most of the time.
For example, my uber-gaming-tft-display has a 2 milliseconds response time, which is very low and has almost no ghosting.
So, the question is: what is the response time of the qHD display in the droid 3.
I noticed the ghosting is way more visible on black backgrounds than on white. Good thing motorola changed the background in the android menu's from the default black to white.
Click to expand...
Click to collapse
It's definitely got a slower rise-time than fall-time. You can see it on monochromatic icons when scrolling the app drawer in a launcher that uses a black background -- the leading edge is a blurry mess, while the trailing edge is fairly crisp. I'm guessing that the display controller simply isn't using any kind of overdriving to improve response time.
Also, to clarify my previous characterization of the blurring, it appears not so much that the red channel specifically is updating faster, as it is that the white channel is updating slower than all of the RGB channels.
Refresh rate has nothing to do with ghosting. Nearly every TV is actually 60, but they are falsely advertised at 600(plasmas) or use frame interpolation to achieve refresh rates above 60hz(LCD.) The only exceptions are 3D TVs. They actually refresh at 120 hz in 3D mode. Each eye sees 60hz. If they stayed at 60hz, each eye would see 30hz, and there would be noticeable flickering.
What effects ghosting is response time-the amount of time it takes a pixel to respond to a change in state. In layman's terms, how quickly it can go from one color to the next.
Plasmas and CRTs have near instant response times-it takes just nanoseconds for a pixel to change(actually, green phosphors take about 1 millisecond to change, blue and red phosphors change in nanoseconds). Nonetheless, plasmas and CRTs simply don't ghost(which is one reason why I prefer Plasma TVs). Part of this is because the pixels produce their own light. There is no backlight like an LCD.
But on LCDs, it takes the pixels many milliseconds to change. Though they are advertised between 2-6ms, the true response time of an LCD is usually at least 20 milliseconds. The Retina Display and qHD displays ghost because they have response times of 25-30ms. I can't recall why right now, but when you pack in a ton of pixels on a small screen, the response time is extremely high.
The refresh rate on phone screens is 60hz, which is actually why most are capped at 60fps, or you would probably see screen tearing.
GoogleAndroid said:
Refresh rate has nothing to do with ghosting. Nearly every TV is actually 60, but they are falsely advertised at 600(plasmas) or use frame interpolation to achieve refresh rates above 60hz(LCD.) The only exceptions are 3D TVs. They actually refresh at 120 hz in 3D mode. Each eye sees 60hz. If they stayed at 60hz, each eye would see 30hz, and there would be noticeable flickering.
What effects ghosting is response time-the amount of time it takes a pixel to respond to a change in state. In layman's terms, how quickly it can go from one color to the next.
Plasmas and CRTs have near instant response times-it takes just nanoseconds for a pixel to change(actually, green phosphors take about 1 millisecond to change, blue and red phosphors change in nanoseconds). Nonetheless, plasmas and CRTs simply don't ghost(which is one reason why I prefer Plasma TVs). Part of this is because the pixels produce their own light. There is no backlight like an LCD.
But on LCDs, it takes the pixels many milliseconds to change. Though they are advertised between 2-6ms, the true response time of an LCD is usually at least 20 milliseconds. The Retina Display and qHD displays ghost because they have response times of 25-30ms. I can't recall why right now, but when you pack in a ton of pixels on a small screen, the response time is extremely high.
The refresh rate on phone screens is 60hz, which is actually why most are capped at 60fps, or you would probably see screen tearing.
Click to expand...
Click to collapse
very informative, thank you! i knew what response times are but for some reason didn't draw the line between that knowledge and ghosting.
that would also explain why it's so noticeable to me after using the Nexus S for 9 months. hopefully (though unlikely) a new phone will come out here soon with a keyboard and high res screen with good response time.
Related
Just picked up a NC to replace my vs gtab. Screen on this is amazing, except, i notice some sort of banding/ghosting...not sure what to call it. It is noticable when pop up windows come up...sort of like when a monitor is recorded...its actually quite annoying. Is this normal??? or is it defective?
See here:
http://forum.xda-developers.com/showthread.php?t=863233&page=2
It appears in the dark part of the screen when the brightness is less than 100%.
Hi,
Has anyone notciced un-even brightness across the screen at low light levels (for darker colors)? I thought it was just the nature of these OLED screens, but I don't see this with Galaxy Phone with similar display type, so I'm wondering if I just have a defective unit with bad display.
To test it:
- Do this at night (when ambient light is fairly low).
- Lower brightness down to the lowest setting (turn off auto-brightness)
- Open Chrome browser, and close all tabs, so that you get a blank dark screen with just the "+" icon. This leaves a dark gray background, just enough to notice if there is any uneveness in brightness.
On my unit, I see about 3-4 inches of bands/streaks of darker areas at bottom half of the screen. If I rotate the tablet, the darker areas stay in their physical location (so these bands become vertical instead of horizontal), so I know it's not a software issue.
I have a couple of weeks left before I need to decide on whether to exchange the tab, so would appreciate if anyone can help me verify if this is normal thing with these screens.
Many thanks, Tony.
tonyc1 said:
Hi,
Has anyone notciced un-even brightness across the screen at low light levels (for darker colors)? I thought it was just the nature of these OLED screens, but I don't see this with Galaxy Phone with similar display type, so I'm wondering if I just have a defective unit with bad display.
To test it:
- Do this at night (when ambient light is fairly low).
- Lower brightness down to the lowest setting (turn off auto-brightness)
- Open Chrome browser, and close all tabs, so that you get a blank dark screen with just the "+" icon. This leaves a dark gray background, just enough to notice if there is any uneveness in brightness.
On my unit, I see about 3-4 inches of bands/streaks of darker areas at bottom half of the screen. If I rotate the tablet, the darker areas stay in their physical location (so these bands become vertical instead of horizontal), so I know it's not a software issue.
I have a couple of weeks left before I need to decide on whether to exchange the tab, so would appreciate if anyone can help me verify if this is normal thing with these screens.
Many thanks, Tony.
Click to expand...
Click to collapse
I have notice a similar thing, mostly on gray - dark gray backgrounds, and not necessarily at lowest brightness (low enough though). I wanted to check about it on a couple of devices on display at retail stores but it's hard to test there.
Sent from my SM-T815 using Tapatalk
Hi tonyc1,
Having had 4 of these I can confirm that this unevenness is normal on the 9.7" screen but was not present on the 8" model.
I went through 4 to get one that was reasonably even, 2 of them were pretty awful to the point that the greyscale was all over the place.
The unit I settled on has a slightly darker band in the middle of the screen and a slight darkening at the very top.
I owned the original tab s 10.5 and have to say the screen on that was more even and detailed, I prefer the former factor and speed of this S2 but the screen is a step backwards.
Hope this info helps.
Cheers
Thanks for the notes and confirming this is a somewhat common issue. I guess I will live with it for now..
I've recently bought the 9.7" version of the Tab S2. I was aware of how unrealistic and oversaturated the AMOLED display is on default setting, but luckily this can be turned off, so it was the very first thing i did (though now the white balance is off, but at least it is not oversaturated).
Unfortunately i wasn't aware the fact that the display at below ~75% brigthtness flickers. The lower the brightness the more disturbing it is. And it drives me crazy. I hate the flickering cheap cr*p LED light bulbs, i hate that most notebook screens with LED backlight are non PWM free, and are flickering And after having this tablet for three days, i am hating it too. I frankly believe these products should be banned, because it hurts your eye, and your brain. I thought when we said good bye to CRT monitors, flickering screens will never be an issue again. Unfortunately they are :/
After googling the internet i found this article gs5.wonderhowto.com/how-to/eliminate-screen-flicker-lower-minimum-brightness-android-0157760 but the solution unfortunately requires a rooted device, wich would trip the knox and void the warranty, so it's a no no for me. Then I found several other apps on the play store which are doing the same without requiring root access: drawing a black overlay over the screen and you can set the transparency of it, so you can get a lower brightness without the flickering, because your screen brightness is around maximum, the lowered transparcy of the black overlay makes it less bright. Unfortunately none of these apps work like the one for the rooted devices, wich has a second slider at status bar, so instead of the brightness you can change the transparency at the notification screen. The non rooted apps i found do not work this way, they don't have the extra slider, you need to tap them, so you can get to where you can change the trasnparency and that's very uncomfortable. I tried so far Darker and three other Screen Filter apps, but none of them works with a second slider :/ Also using the Screen Filter apps when there is a smooth color transition on the dipslay (default background picture for example) gives ugly end result. Using a Screen filter app might reduce battery life so i might need to charge it more often (i don't care), but since the display is not flickering, it is always on, it might will burn in faster (i do care, i intend to use this tablet for 3+ years) So i am currently in debate wether i should return this product and get my money back or not. It is a really great device, but this terrible flickering of the AMOLED screen makes me super unhappy, wish it had an IPS display :/
If this is an issue for you too, and you found a Screen Filter app with a second slider at the notification area (without requiring root permissions) please let me know.
Is this just an s2 thing, nothing of the sort on my tab s?
Sent from my SM-T280 using XDA-Developers mobile app
It's not an S2 issue, I've seen several other phones and tablets in low light conditions set to a low brightness flickering like mine.. But you can test it, set a low brightness and start waving your finger in front of the screen like crazy. If you see ~10 seperate fingers -like in the picture attached- instead of one blurry (what you should see if there was a constant backlight), than yours is flickering too.
asdfh said:
It's not an S2 issue, I've seen several other phones and tablets in low light conditions set to a low brightness flickering like mine.. But you can test it, set a low brightness and start waving your finger in front of the screen like crazy. If you see ~10 seperate fingers -like in the picture attached- instead of one blurry (what you should see if there was a constant backlight), than yours is flickering too.
Click to expand...
Click to collapse
I see what you mean, but it doesn't bother me as there is no perceivable flickering at all and it only happens when the brightness is below a certain level.
If that certain level would be around 20% brightness i wouldn't care. I haven't tested out yet, but that certain level is somewhere below 70% So -for me- it would flicker all the time.
Eh, there is no screen flickering but your finger is flickering over a light source aka *screen*. It's an optical illusion you are referring to.
I am also very sensitive to pwm on displays, it takes me less than a minute to feel sick from the display having pwm.
Any further solutions to this? Thank you.
I'm using the the app 'Night Screen' it does the job on Android 7.0 on my LG G6 which uses pwm under 35% of brightness even though this is an ips screen. Hope it helps.
asdfh said:
I've recently bought the 9.7" version of the Tab S2. I was aware of how unrealistic and oversaturated the AMOLED display is on default setting, but luckily this can be turned off, so it was the very first thing i did (though now the white balance is off, but at least it is not oversaturated).
Unfortunately i wasn't aware the fact that the display at below ~75% brigthtness flickers. The lower the brightness the more disturbing it is. And it drives me crazy. I hate the flickering cheap cr*p LED light bulbs, i hate that most notebook screens with LED backlight are non PWM free, and are flickering And after having this tablet for three days, i am hating it too. I frankly believe these products should be banned, because it hurts your eye, and your brain. I thought when we said good bye to CRT monitors, flickering screens will never be an issue again. Unfortunately they are :/
After googling the internet i found this article gs5.****************/how-to/eliminate-screen-flicker-lower-minimum-brightness-android-0157760 but the solution unfortunately requires a rooted device, wich would trip the knox and void the warranty, so it's a no no for me. Then I found several other apps on the play store which are doing the same without requiring root access: drawing a black overlay over the screen and you can set the transparency of it, so you can get a lower brightness without the flickering, because your screen brightness is around maximum, the lowered transparcy of the black overlay makes it less bright. Unfortunately none of these apps work like the one for the rooted devices, wich has a second slider at status bar, so instead of the brightness you can change the transparency at the notification screen. The non rooted apps i found do not work this way, they don't have the extra slider, you need to tap them, so you can get to where you can change the trasnparency and that's very uncomfortable. I tried so far Darker and three other Screen Filter apps, but none of them works with a second slider :/ Also using the Screen Filter apps when there is a smooth color transition on the dipslay (default background picture for example) gives ugly end result. Using a Screen filter app might reduce battery life so i might need to charge it more often (i don't care), but since the display is not flickering, it is always on, it might will burn in faster (i do care, i intend to use this tablet for 3+ years) So i am currently in debate wether i should return this product and get my money back or not. It is a really great device, but this terrible flickering of the AMOLED screen makes me super unhappy, wish it had an IPS display :/
If this is an issue for you too, and you found a Screen Filter app with a second slider at the notification area (without requiring root permissions) please let me know.
Click to expand...
Click to collapse
So here is the app( https://play.google.com/store/apps/details?id=org.js.oledsaver ) to avoid pwm & use the phone with low brightness.
App name is OLED SAVER
It's simple. You install it & follow the instructions & use it. Enjoy! ?
---------- Post added at 07:04 PM ---------- Previous post was at 06:58 PM ----------
Babakkardan said:
I am also very sensitive to pwm on displays, it takes me less than a minute to feel sick from the display having pwm.
Any further solutions to this? Thank you.
Click to expand...
Click to collapse
https://play.google.com/store/apps/details?id=org.js.oledsaver
harigavara said:
So here is the app( https://play.google.com/store/apps/details?id=org.js.oledsaver ) to avoid pwm & use the phone with low brightness.
App name is OLED SAVER
It's simple. You install it & follow the instructions & use it. Enjoy!
---------- Post added at 07:04 PM ---------- Previous post was at 06:58 PM ----------
https://play.google.com/store/apps/details?id=org.js.oledsaver
Click to expand...
Click to collapse
Thanks for answering this 3 years old post I used Darker in the last three years to eliminate the flckering and was happy with it. I checked OLED Saver now, but it's permissions says to me it's a big no no.
Unfortunately, since Android 8 apps cannot draw a an overlay over system areas (notification bar etc., thanks google! ), so i guess i'll never have an OLED screen phone/tablet again.
Hello all, my past 3 AMOLED phones have been facing burn-in where the keyboard is displayed as I tend to chat a lot! Can anyone give me an option to avoid it? Please don't troll and say use less keyboard!
Might help if you keep the brightness on the lower side, other than that seems like catch22
Also choose a darker theme for the keyboard.
Maddmatt said:
Also choose a darker theme for the keyboard.
Click to expand...
Click to collapse
That's why it kept happening for me... The I turn it to light mode and then the burn in goes away!
Dark mode will help reduce it, but I leave my phone set to auto switch light and dark mode based on sunrise and sunset, this way whatever app I'm using also switches, so the light and dark apps, flip button colours as well so anything white on a black screen also becomes black on a white screen so it helps reverse any burnin in that sense too.
For example, texting apps usually also have white icons at the top which can burn in with dark mode, so if you switch to light mode, the same icons are now black on a white screen, so the screen burns but the icons don't, so it all slowly burns in together and nothing becomes noticeable.
Been doing this after getting burnin on my S10+ using only darkmode and light icons left burnin. And then on my S20 Ultra I did the flipping light and dark mode and never had issues but I also had the full screen settings to hide the pinhole camera so it made the entire top black, and then One UI 3.0 came out and they removed that option so now you can't hide the pinhole camera and I had a burnin bar across the top from where it was black lol.
Now on my S21 Ultra I have the light and dark mode set to flip at sun rise and sun set, and I can't hide the pin hole so maybe third phone is the charm here and I won't have any burnin at all this time haha.
Hope this helps.
There is no burn in with AMOLEDs; they have a finite lifespan and get dimmer as they age before finally failing after many 10's of thousands hours.
Don't over drive them by using them at maximum or near maximum levels.
High energy blue pixels are the most susceptible to damage, red the least because of its longer wavelength.
Use manual brightness control. Avoid going much over 50%.
Using full brightness reduces pixel lifespan as probably does high temperatures ie direct sunlight.
Limit usage at full brightness by the second*.
Using manual control ensures you're aware of it and keeps the phone from auto jacking it up on you when not really needed.
Turn it down in low light; don't burn out your retina's as they aren't replaceable.
Use dark mode whenever possible. Use dark or black wallpaper. You Good Lock to get rid of the stutus bar icons; simply use the pull down notification screen.
My 10+ gets heavy usage every day with a lot of keyboard time. At 15+ months there is no discernible weakness or dead pixels of any color at any brightness level.
*this is especially important with static images
bANONYMOUS said:
Dark mode will help reduce it, but I leave my phone set to auto switch light and dark mode based on sunrise and sunset, this way whatever app I'm using also switches, so the light and dark apps, flip button colours as well so anything white on a black screen also becomes black on a white screen so it helps reverse any burnin in that sense too.
For example, texting apps usually also have white icons at the top which can burn in with dark mode, so if you switch to light mode, the same icons are now black on a white screen, so the screen burns but the icons don't, so it all slowly burns in together and nothing becomes noticeable.
Been doing this after getting burnin on my S10+ using only darkmode and light icons left burnin. And then on my S20 Ultra I did the flipping light and dark mode and never had issues but I also had the full screen settings to hide the pinhole camera so it made the entire top black, and then One UI 3.0 came out and they removed that option so now you can't hide the pinhole camera and I had a burnin bar across the top from where it was black lol.
Now on my S21 Ultra I have the light and dark mode set to flip at sun rise and sun set, and I can't hide the pin hole so maybe third phone is the charm here and I won't have any burnin at all this time haha.
Hope this helps.
Click to expand...
Click to collapse
you say you had burn in from keeping a black bar in the area where the pinhole was?
that doesnt make any sense. If it was black those pixels were off and there wouldnt be any burn in
ಠ_ಠ
Get Gboard, And change it to a dark skin, I've never had any problems
sesnut said:
If it was black those pixels were off and there wouldnt be any burn in
Click to expand...
Click to collapse
Reverse burn in, the screen area being used has a yellowish tone to it from being worn in over time, no matter how long the display is on, it's always burning in and the colour always adjusts over time from the burn in, it's the image retention burn in that people talk about, but the entire screen is always burning the entire time it's used. So by never using the top area the pixels are fresh and have a cooler tone to them than the rest of the screen as a result of this.
VICosPhi said:
Might help if you keep the brightness on the lower side, other than that seems like catch22
Click to expand...
Click to collapse
Indeed. And to add, perhaps occasionally change from white to black keyboard to even things out.
This is a good one. Says something about fast charging and not showing this message again. Guess they forgot to check don’t show again.
No offence but:
Pay 1.2K for phone after you see super HDR, huge brightness etc. and then limit everything to minimum? Seriously?
If I see them, I will ask EE(my phone provider) to replace it. I had same issue with OP 7 Pro, screen burn ins, they have replaced phone.
joloxx9joloxx9 said:
No offence but:
Pay 1.2K for phone after you see super HDR, huge brightness etc. and then limit everything to minimum? Seriously?
If I see them, I will ask EE(my phone provider) to replace it. I had same issue with OP 7 Pro, screen burn ins, they have replaced phone.
Click to expand...
Click to collapse
Some countries like the UK have better consumer laws than others.
Sukrith said:
Hello all, my past 3 AMOLED phones have been facing burn-in where the keyboard is displayed as I tend to chat a lot! Can anyone give me an option to avoid it? Please don't troll and say use less keyboard!
Click to expand...
Click to collapse
From normal use there will be no burnin. However, if you keep your display on showing the keboard all the time it will burn in. Also pixels start to burn in once they are on
kpwnApps said:
From normal use there will be no burnin. However, if you keep your display on showing the keboard all the time it will burn in. Also pixels start to burn in once they are on
Click to expand...
Click to collapse
Mate - I had burn ins on my screen from things like clock etc, you cannot get rid of them, and it is a design flown, as long there is nothing in instruction etc.
joloxx9joloxx9 said:
Mate - I had burn ins on my screen from things like clock etc, you cannot get rid of them, and it is a design flown, as long there is nothing in instruction etc.
Click to expand...
Click to collapse
Samsung shifts the AOD clock to help prevent this. However I use only tap on AOD now.
Perps know the deal, organic LEDs have a finite lifespan. Yeah you can drive your car as fast as it will go but you probably don't because you know it wouldn't last very long.
You wonder why the price tag keeps going up?
Freebies are never free.
Using in direct sunlight or at 80+% is just asking for it. In most cases completely avoidable. One can at least limit the time of use at full brightness and not have a homescreen that looks like a Vegas billboard.
blackhawk said:
Samsung shifts the AOD clock to help prevent this. However I use only tap on AOD now.
Perps know the deal, organic LEDs have a finite lifespan. Yeah you can drive your car as fast as it will go but you probably don't because you know it wouldn't last very long.
You wonder why the price tag keeps going up?
Freebies are never free.
Using in direct sunlight or at 80+% is just asking for it. In most cases completely avoidable. One can at least limit the time of use at full brightness and not have a homescreen that looks like a Vegas billboard.
Click to expand...
Click to collapse
So they should not sell them in countries like Spain etc as there is too much sun
joloxx9joloxx9 said:
So they should not sell them in countries like Spain etc as there is too much sun
Click to expand...
Click to collapse
I live in Texas desert, the sun here is intense.
It burns out LED traffic lights all the time; OLEDs are far less tolerant.
Simply use in the shade.
The individual pixels are microscopic. That they work at all is amazing let alone being capable of high lumen output with extremely excellent color/gamma rendering.
The AMOLED matrix has 10's of thousands of active solid state components not just the OLED pixels themselves. All are hest sensitive plus the fact the display is helping to dissipate mobo heat while producing heat of it's own. The most heat sensitive component, the OLED is smack on top of this glass heatsink*.
Direct sunlight in especially high ambient temperatures is a real bad plan. You can fry any display like this.
Know, understand and respect their limitations. You will be rewarded with a long lived gorgeous display.
*glass is a good thermal insulator. Do tempered glass protective screens increase the thermal burden? Most likely. If cool at first the added mass will be protective but once the device (or the sun) heats that mass up things will go down hill from there and the display temperature will rapidly climb.
joloxx9joloxx9 said:
So they should not sell them in countries like Spain etc as there is too much sun
Click to expand...
Click to collapse
Common sense should prevail I guess. I live in a place hotter than Spain. If I were to use my device in the middle of the day in bright sun light it’ll cook after 15mins. Hence why I don’t. But then would any other device.
blackhawk said:
I live in Texas desert, the sun here is intense.
It burns out LED traffic lights all the time; OLEDs are far less tolerant.
Simply use in the shade.
The individual pixels are microscopic. That they work at all is amazing let alone being capable of high lumen output with extremely excellent color/gamma rendering.
The AMOLED matrix has 10's of thousands of active solid state components not just the OLED pixels themselves. All are hest sensitive plus the fact the display is helping to dissipate mobo heat while producing heat of it's own. The most heat sensitive component, the OLED is smack on top of this glass heatsink*.
Direct sunlight in especially high ambient temperatures is a real bad plan. You can fry any display like this.
Know, understand and respect their limitations. You will be rewarded with a long lived gorgeous display.
*glass is a good thermal insulator. Do tempered glass protective screens increase the thermal burden? Most likely. If cool at first the added mass will be protective but once the device (or the sun) heats that mass up things will go down hill from there and the display temperature will rapidly climb.
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And this was me think you lived in the Mojave desert.
Hi,
Got a new Moto Edge 20 Pro a couple of weeks back.
The display at low brightness has very noticable Faint White Lines and the display looks grainy, like newspaper texture almost like the Kindle Display.
At darkness, when the display refresh rate is set to auto, I can see the grainy noise and the white lines change when I touch the display.
Grey and White colors arent Pure Grey and White. When I use pwmfree 1.3 or OLED SAVER app, the white lines are almost gone (not entirely gone) and the grainy texture / noise increases.
Any idea whats going on, whether it is a software or a hardware issue ?
is there a way to get this fixed ?
karikaalan0207 said:
Hi,
Got a new Moto Edge 20 Pro a couple of weeks back.
The display at low brightness has very noticable Faint White Lines and the display looks grainy, like newspaper texture almost like the Kindle Display.
At darkness, when the display refresh rate is set to auto, I can see the grainy noise and the white lines change when I touch the display.
Grey and White colors arent Pure Grey and White. When I use pwmfree 1.3 or OLED SAVER app, the white lines are almost gone (not entirely gone) and the grainy texture / noise increases.
Any idea whats going on, whether it is a software or a hardware issue ?
is there a way to get this fixed ?
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The noise on the display is the nature of OLED displays. Or at least the one on this phone. I have a regular Edge 20, but they have the same display anyway. Same issue you pointed out: grain with certain colors and at lower brightness. And yes, I do get some vertical lines at the bottom of the screen. It's not defect, it's just the way it is.
Username: Required said:
The noise on the display is the nature of OLED displays. Or at least the one on this phone. I have a regular Edge 20, but they have the same display anyway. Same issue you pointed out: grain with certain colors and at lower brightness. And yes, I do get some vertical lines at the bottom of the screen. It's not defect, it's just the way it is.
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I had an iPhone12 before this and that too had an OLED Panel, and I wasnt able to see anything like this.
And the Noise is not consistent. It's pretty freaking uneven and Its a total mess. To see the Noise completely, just open a 2% grey image or something and observe it. It's pretty abysmal. No way OLED displays are this bad.
I just think that Moto has crapped on its customers with a defective batch of Displays.
Also the situation gets better when you use pwmfree app.
The panel's gray uniformity is pretty bad. Im suspecting if this is a case of banding/dirty screen effect on oled screens, which is a defect and not a norm for an OLED Displays.
karikaalan0207 said:
I had an iPhone12 before this and that too had an OLED Panel, and I wasnt able to see anything like this.
And the Noise is not consistent. It's pretty freaking uneven and Its a total mess. To see the Noise completely, just open a 2% grey image or something and observe it. It's pretty abysmal. No way OLED displays are this bad.
I just think that Moto has crapped on its customers with a defective batch of Displays.
Also the situation gets better when you use pwmfree app.
The panel's gray uniformity is pretty bad. Im suspecting if this is a case of banding/dirty screen effect on oled screens, which is a defect and not a norm for an OLED Displays.
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Ah, well, I haven't owned any expensive phones so I can't really compare to anything other than the Moto Z2 Play, which also had a grainy OLED panel. If I were you I'd be annoyed as well, but I payed a fraction of MSRP for my phone so I can't complain.
karikaalan0207 said:
I had an iPhone12 before this and that too had an OLED Panel, and I wasnt able to see anything like this.
And the Noise is not consistent. It's pretty freaking uneven and Its a total mess. To see the Noise completely, just open a 2% grey image or something and observe it. It's pretty abysmal. No way OLED displays are this bad.
I just think that Moto has crapped on its customers with a defective batch of Displays.
Also the situation gets better when you use pwmfree app.
The panel's gray uniformity is pretty bad. Im suspecting if this is a case of banding/dirty screen effect on oled screens, which is a defect and not a norm for an OLED Displays.
Click to expand...
Click to collapse
I have noticed a weird behavior with the display. forcing it to 60Hz by enabling power saving mode significantly reduces the grain and make the panel a lot more uniform.