Active display while driving, walking, in pocket? - Verizon Motorola Droid Turbo Q&A, Help & Troublesh

To my understanding the active display sensors use the accelerometer to judge when to turn on - I'm not talking about when it is 'breathing' after you have received and email/text/etc.
Its an awesome feature not having to go to the home screen to see this stuff. (Though when you do unlock the phone from active display you get a brief flash of the home screen - I wish it would skip it completely)
However, I'm not convinced it really does 'turn off' in my pocket since when I carry it in my hand and walk a few feet, it is constantly going on and off due to any motion. Same with inside my car. Any bumps, stops, acceleration, etc that causes the phone to jiggle even a little (usually its in a cup holder or something like that) lights up the display. I know the battery drain is supposed to be very small with it.
What are your thoughts on this? On one hand its an awesome feature that I don't want to turn off but wish it wasn't so quick to wake in the vehicle or presumably in your pocket. In any kind of city driving it will be constantly going on and off, on and off.
Also, does the active display count as screen on time? I read somewhere that its only reported under Android OS?

Try this:
Cover your sensors, wait couple of seconds move it (without uncovering them) and try to activate active display, it should not do anything.
Thats exactly what happens in your pocket (I THINK)

It's very touchy and I wish I could turn off the motion sensing just because the time flashing on and off is annoying. It barely uses battery though. Less than 1% according to my gsam stats on a full discharge

You can disable Moto Actions to stop the motion sensing.

Ally Android said:
You can disable Moto Actions to stop the motion sensing.
Click to expand...
Click to collapse
I'm pretty sure what you're talking about only disables the hand approach motion turning it on. (which is also annoying as of anything moves over your phone the screen turns on).
He is talking about movement of your phone turning display on which I believe is annoying too, perhaps more annoying than a hand motion to turn it on.

Opzon said:
I'm pretty sure what you're talking about only disables the hand approach motion turning it on. (which is also annoying as of anything moves over your phone the screen turns on).
He is talking about movement of your phone turning display on which I believe is annoying too, perhaps more annoying than a hand motion to turn it on.
Click to expand...
Click to collapse
Your right. The movement sensor appears to be a part of Moto Display. When I disabled that, the screen no longer turned on with the phone movement.

I'd like to know if the motion thing can be disabled separately as well. I like being able to wave my hand over the motion sensor to activate the ambient display, but don't like that the thing comes on every time I accelerate in my truck.

The "proximity sensor" that turns the screen off when you hold the phone to your cheek during a phone call is supposed to disable to the Ambient display, so when the phone is in your pocket, or upside down on your truck car seat, the display shouldn't be coming on, or turning on from phone movement. Try it - cover up the top 1/4" of the phone (where the camera is etc), and then try and wake the phone - I can't get mine to do anything.

I have a cubby hole in my truck where the phone fits nicely and I can still see the screen face up. Sometimes while accelerating the ambient display comes on. That's what makes me think the ambient display acts on the accelerometer as well as the front facing motion sensor.

Yep the accelerometer is the issue. After reviewing battery logs since I've started using this phone I can see there isn't much drain from the time/black display lighting up all the time and it really doesn't seem to come on in the pocket unless you make sudden movements.
However any time there is acceleration or deceleration at a sharper rate and bumps in the road it lights up. Very annoying. Can't imagine how it is on long drives, etc. And it's stupid to just say "Oh turn it over" most people have their phone in a cup holder or some cubby on their vehicle.

Proximity sensor prevents the display from activating in your pocket, period. Move all you want, the display isn't activating
Display acfivates off movement uncovered as a feature anticipating you're picking up the device to look at it. Those activations are an extremely small fraction of battery usage, not nearly enough to affect you.

I find the sensor extremely annoying and I wish I could disable it. I have the phone next to my laptop and every time I move close to it the time lights up. Very poor design if they didn't anticipate the annoyance factor and no way for one to control it.

DevilDoc_3 said:
I find the sensor extremely annoying and I wish I could disable it. I have the phone next to my laptop and every time I move close to it the time lights up. Very poor design if they didn't anticipate the annoyance factor and no way for one to control it.
Click to expand...
Click to collapse
You can disable it. Why do you think you can't? Why don't you turn it off instead of complaining about it? While it's on, it's doing exactly what it's supposed to do. Personally, I keep it turned on, because I like it.
Turn off the "wave your hand" feature if you don't like it. Wave works from even from a foot away sometimes. Turn it off, and your phone won't light up when it senses movement.
In CM/LOS based ROMs you turn off the WAVE highlighted feature you see, in Quark Ambient Display:
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Just turn off the Wave. (This screenshot was for another post a long time ago, so do not turn off the other setting highlighted.)
Various custom ROMs (Lollipop, Marshmallow, Nougat) have that setting in different places. Usually it's in Gestures, but Settings has a "search" feature you can use if you don't see it immediately.
If you are not running a custom ROM and are still on stock, I assume that setting is still somewhere on stock Moto Display -- because in the periodic debates we have people insist Moto Display has the same level of control as Quark Ambient Display.
Doing a Google Search -- which is quite easy if you want to try it sometime -- I found two answers turning off Wave in Moto Display. See what works for you:
Go to Settings -> Moto -> Actions -> disable 'Approach for Moto Display'.
Click to expand...
Click to collapse
Go to settings, accessibility, dexterity and interaction, air wake up. Your problem should now be fixed!
Click to expand...
Click to collapse

Related

Dimming the brightness even further?

I have the brightness set to zero, but I still find the screen too bright especially at night when the lights are off. Even at the lowest setting, the browser will light up the entire room and its very hard on the eyes. Is there a way to lower the brightness even further? Is there a hack available that will do this?
scrappyabs2 said:
I have the brightness set to zero, but I still find the screen too bright especially at night when the lights are off. Even at the lowest setting, the browser will light up the entire room and its very hard on the eyes. Is there a way to lower the brightness even further? Is there a hack available that will do this?
Click to expand...
Click to collapse
You can wear sunglasses while looking at your phone at night.
supremeteam256 said:
You can wear sunglasses while looking at your phone at night.
Click to expand...
Click to collapse
I wish that were true, but unfortunately I don't own prescription sunglasses.
you could hit the end button so the screen goes off
gridlock32404 said:
you could hit the end button so the screen goes off
Click to expand...
Click to collapse
But then you can't see anything, that's almost as mental a suggestion as layering up 3 or 4 mirror screen protectors.
Instead of suggesting **** you could try to answer his question in a real way.
I think there is a way via setprop..
Try this in terminal (after su)
setprop settings.display.brightness 0
Sunsglasses sounds like a good idea.
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maxisma said:
Instead of suggesting **** you could try to answer his question in a real way.
I think there is a way via setprop..
Try this in terminal (after su)
setprop settings.display.brightness 0
Click to expand...
Click to collapse
Thanks for chiming in with an actual suggestion. I tried changing the setprop setting to 0, but it didn't decrease my brightness any further than what I can achieve in the Settings menu. It's too bad, I wonder if an app could be made to force the phone's brightness to decrease even further.
You know what... I like this suggestion. I am one of the few people that sometimes uses the phone as an alarm clock and have it sitting next to my bed. I work nights but get off work at 5 in the morning. When I get home I sleep. It's nice to wake up and look at my phone without having to reach over and hit a tiny ass button just to check the time but keeping it on means that I have a night light shining while I'm trying to sleep. So I like this idea and would like to see it dimmed by at least another 50%.
Binary100100 said:
You know what... I like this suggestion. I am one of the few people that sometimes uses the phone as an alarm clock and have it sitting next to my bed. I work nights but get off work at 5 in the morning. When I get home I sleep. It's nice to wake up and look at my phone without having to reach over and hit a tiny ass button just to check the time but keeping it on means that I have a night light shining while I'm trying to sleep. So I like this idea and would like to see it dimmed by at least another 50%.
Click to expand...
Click to collapse
I agree. I often grab my phone in the middle of the night to view new emails or google search random thoughts. My eyes get scorched though even when the brightness is turned all the way down.
I like the sunglasses idea!
how about putting on a darkened screen protector?
shaolinx said:
I like the sunglasses idea!
how about putting on a darkened screen protector?
Click to expand...
Click to collapse
Do you have a link to one?
Me too.
I do alot of surfing in the middle of the night with the wife and baby in the bed and its pretty dam bright even when set to 0.
I run the brightness widget (not sure wich one) and I also use Timerific to auto dim to 0 after like 11m.
Sometimes I will see that the brightness is set to -8. Even though it doesnt seem any dimmer than normal, its jsut an observation.
I think that If we want to go dimmer its gonna take some sort of kernel hack.
I tried setting it with a - value and it didnt work, although none of the other set prop stuff worked either I think the apps i have set are blocking it somehow.
Ill mess around with a fresh rom and see if it will go into negative.
I also noticed that sometimes when its auto setting thebrightness levels it will go below what looks like 0 brightness for about a half second before it sets to 0 so I know its physically possible for the screen to go at least a little dimmer.
i know there was a way of getting it to -13 % by playing around with the settings on the brightness widget and useful switers..

[Q] How do you guys feel about Moto Display?

I honestly think it is far too sensitive. I just got my X today and I set it in my passenger seat to drive. The active display turned on about every 4 seconds because of the tiny bumps from driving. With the IR sensors turned on the display is turned on every time I set down my phone. I emailed Moto about making some kind of sensitivity setting. What do you guys think?
jdubya42 said:
I honestly think it is far too sensitive. I just got my X today and I set it in my passenger seat to drive. The active display turned on about every 4 seconds because of the tiny bumps from driving. With the IR sensors turned on the display is turned on every time I set down my phone. I emailed Moto about making some kind of sensitivity setting. What do you guys think?
Click to expand...
Click to collapse
I wouldn't worry about it. It barely uses any power when it turns on because amoled. If it was an LCD screen, you bet I would be complaining
sent from my Moto X (2014)
0.0 said:
I wouldn't worry about it. It barely uses any power when it turns on because amoled. If it was an LCD screen, you bet I would be complaining
sent from my Moto X (2014)
Click to expand...
Click to collapse
I'm not really worried about battery life so much as it just annoys me to see my screen constantly turn on. Well, partly.
I made it like the 2013 version. Shut off the hand motion sensors so now it only responds to movement of the device. MUCH better on battery
Active Display turns on as long as you have notifications, it's not road bumps setting it off.
chrisrozon said:
Active Display turns on as long as you have notifications, it's not road bumps setting it off.
Click to expand...
Click to collapse
I think you may be wrong on this, if you wave at the phone or move it a little bit the display will show you the time, even if there is no notifications, i too have this issue, i leave my phone on the dash and since the back of the phone is curved , it will tilt a little , enough to activate the display. No biggie, but just saying it happens .
If it had the option, my setup would be OFF Movement sensor, and ON (ir) gesture sensor . i see myself frequently waving at the screen to check the time, and now i do this thing where i dont use the wake button to unlock the phone while it sits on my desk, i make the display wake with my hand and unlock it..
Galinha1 said:
I think you may be wrong on this, if you wave at the phone or move it a little bit the display will show you the time, even if there is no notifications, i too have this issue, i leave my phone on the dash and since the back of the phone is curved , it will tilt a little , enough to activate the display. No biggie, but just saying it happens .
If it had the option, my setup would be OFF Movement sensor, and ON (ir) gesture sensor . i see myself frequently waving at the screen to check the time, and now i do this thing where i dont use the wake button to unlock the phone while it sits on my desk, i make the display wake with my hand and unlock it..
Click to expand...
Click to collapse
2nd that, if I could turn off the movement sensor I would also. The gesture sensor works pretty great, the movement sensor is too sensitive.
Yeah, mine blinks on and off all the time regardless of notifications or not. Received an update the other day for the sensors and it didn't change anything.
Galinha1 said:
I think you may be wrong on this, if you wave at the phone or move it a little bit the display will show you the time, even if there is no notifications, i too have this issue, i leave my phone on the dash and since the back of the phone is curved , it will tilt a little , enough to activate the display. No biggie, but just saying it happens .
If it had the option, my setup would be OFF Movement sensor, and ON (ir) gesture sensor . i see myself frequently waving at the screen to check the time, and now i do this thing where i dont use the wake button to unlock the phone while it sits on my desk, i make the display wake with my hand and unlock it..
Click to expand...
Click to collapse
I totally agree. IR only and no movement would be great. I have IR turned off right now and I wish it didn't annoy me to have both on. I paid for these fancy new IR sensors and I'm not even using them.
chrisrozon said:
Active Display turns on as long as you have notifications, it's not road bumps setting it off.
Click to expand...
Click to collapse
I know what you're talking about, the screen does flash if you have a notification. I can obviously tell I don't have one, just take your phone and tap the corner of it or set it on your couch and then sit down, your active display will turn on.
jdubya42 said:
I know what you're talking about, the screen does flash if you have a notification. I can obviously tell I don't have one, just take your phone and tap the corner of it or set it on your couch and then sit down, your active display will turn on.
Click to expand...
Click to collapse
If you are worried about the phone activating the screen too frequently - I think having it upside down will prevent that. The active screen doesn't turn on when in a pocket, and I think that could also be said for being upside down on the car seat next to you.
jasoraso said:
If you are worried about the phone activating the screen too frequently - I think having it upside down will prevent that. The active screen doesn't turn on when in a pocket, and I think that could also be said for being upside down on the car seat next to you.
Click to expand...
Click to collapse
I didn't think about that. Thanks for the suggestion.

[ISSUE] Fingerprint always unlocks phone, even though proximity sensor is triggERRRR

Well, you read it. It's not a feature, it's a bug.
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I like to keep my hands in my pockets because of reasons, and since this phones fingerprint sensor is so sensitive(well, good, actually), I'm constantly unlocking it, while in my pocket. Any solution to this? And no, I won't change my lock style, because this one is the fastest and most useful all around.
Have you tried just putting your phone in your pocket screen side out, probably not the greatest idea without a tempered glass screen protector, but thought that may be a funnier answer.
One a more serious answer, isn't that what touch disable mode is used for in smart assistance. To stop random presses or functions when in a pocket or bag, I would assume that uses the proximity sensor to detect its in your pocket, I know my phone vibrates when I put my hand in my pocket and I touch the fingerprint sensor, but it never comes on until its out side the pocket.
DANIELWHITT said:
Have you tried just putting your phone in your pocket screen side out, probably not the greatest idea without a tempered glass screen protector, but thought that may be a funnier answer.
One a more serious answer, isn't that what touch disable mode is used for in smart assistance. To stop random presses or functions when in a pocket or bag, I would assume that uses the proximity sensor to detect its in your pocket, I know my phone vibrates when I put my hand in my pocket and I touch the fingerprint sensor, but it never comes on until its out side the pocket.
Click to expand...
Click to collapse
Even with Touch-Disable, fingerprint still unlock the phone. I just tested, covering the sensors and unlocking with fingerprint,but i don't know if inside the pocket it's using some other sensor.
I consider it a bug, but maybe Huawei decided to go this way for other reasons (flip covers maybe?).
DANIELWHITT said:
Have you tried just putting your phone in your pocket screen side out, probably not the greatest idea without a tempered glass screen protector, but thought that may be a funnier answer.
One a more serious answer, isn't that what touch disable mode is used for in smart assistance. To stop random presses or functions when in a pocket or bag, I would assume that uses the proximity sensor to detect its in your pocket, I know my phone vibrates when I put my hand in my pocket and I touch the fingerprint sensor, but it never comes on until its out side the pocket.
Click to expand...
Click to collapse
I literally can't understand **** you're saying, but whatever, it's a bug. Yeah your phone vibrates when it detects a wrong fingerprint, but that's not what I'm asking.
Way to speak to someone offering a reasonable answer, sort it out yourself then bud.
DANIELWHITT said:
Have you tried just putting your phone in your pocket screen side out, probably not the greatest idea without a tempered glass screen protector, but thought that may be a funnier answer.
One a more serious answer, isn't that what touch disable mode is used for in smart assistance. To stop random presses or functions when in a pocket or bag, I would assume that uses the proximity sensor to detect its in your pocket, I know my phone vibrates when I put my hand in my pocket and I touch the fingerprint sensor, but it never comes on until its out side the pocket.
Click to expand...
Click to collapse
I tried n it unlocked even this feature turn on - is a bug.
Same issue with regular mate 10. Screen gets unlocked while the fingerprint gets activated in pocket even with the smart settings on. May be update will fix it
0rigin said:
Well, you read it. It's not a feature, it's a bug.
I like to keep my hands in my pockets because of reasons, and since this phones fingerprint sensor is so sensitive(well, good, actually), I'm constantly unlocking it, while in my pocket. Any solution to this? And no, I won't change my lock style, because this one is the fastest and most useful all around.
Click to expand...
Click to collapse
erichkooi said:
I tried n it unlocked even this feature turn on - is a bug.
Click to expand...
Click to collapse
vaas2000 said:
Same issue with regular mate 10. Screen gets unlocked while the fingerprint gets activated in pocket even with the smart settings on. May be update will fix it
Click to expand...
Click to collapse
Unless I use my thumbprint I set up the screen won't turn on.
If the screen is on but not yet unlocked, it says unblock phone to unlock.
I'm thinking it's working pretty well since the screen won't come on draining the battery without my print. Also assuming more battery savings are made by keeping the sensor asleep when the screen is off? Just a thought.

Iris scanner always on and emitting IR

Using the T-mobile Note 9 here, and I've noticed something peculiar. The front facing iris sensor is *always* on, even when it's not lit up red when scanning. Whether the screen is on or off, the scanner is on and sending IR. Even turning off biometrics doesn't stop it. I found this by chance as an infrared detector I have lights up whenever my phone screen faces it. (goes off if I cover the iris sensor).
Why is Samsung keeping the sensor on all the time, even when I turn off biometric unlock?
pakraider said:
Using the T-mobile Note 9 here, and I've noticed something peculiar. The front facing iris sensor is *always* on, even when it's not lit up red when scanning. Whether the screen is on or off, the scanner is on and sending IR. Even turning off biometrics doesn't stop it. I found this by chance as an infrared detector I have lights up whenever my phone screen faces it. (goes off if I cover the iris sensor).
Why is Samsung keeping the sensor on all the time, even when I turn off biometric unlock?
Click to expand...
Click to collapse
My best estimate would be that this will be used as the proximity sensor.
OK, false, if you open the sensor test menu in the dialer by keying in "*#0*#", then open sensor test, you will notice that the sensor right next to the IR emitter is the proximity...
Maybe it would assist the proximity?
Sent from my [device_name] using XDA-Developers Legacy app
Isn't this supposed to be bad for the eyes?
Samsung itself says during setup that the iris scanner should not be used on children, and also, when a person uses it, for safety it should be held around 25cm or more from the face..
If it is always on maybe it is better to cover it up?
Yeah, it can damage your eyes. The reason it's supposed to be safe is that your exposure is so low (just when you unlock). But it's on all the time!
TML1504 said:
My best estimate would be that this will be used as the proximity sensor.
OK, false, if you open the sensor test menu in the dialer by keying in "*#0*#", then open sensor test, you will notice that the sensor right next to the IR emitter is the proximity...
Maybe it would assist the proximity?
Click to expand...
Click to collapse
Still, there's no reason for it to be on when the phone is locked and the screen off.
pakraider said:
Still, there's no reason for it to be on when the phone is locked and the screen off.
Click to expand...
Click to collapse
Could be for sensing if your phone is in your pocket, there is such a setting.
Sent from my [device_name] using XDA-Developers Legacy app
TML1504 said:
Could be for sensing if your phone is in your pocket, there is such a setting.
Click to expand...
Click to collapse
I disabled that to test, still stays on.
pakraider said:
Yeah, it can damage your eyes. The reason it's supposed to be safe is that your exposure is so low (just when you unlock). But it's on all the time!
Click to expand...
Click to collapse
I mean, if it is always on, what is the difference from when you are trying to use it to unlock your phone? If it is on all the time, it would be damaging every user's eyes all the time while they are using the phone..
Did you check that it is actually the iris thing sending IR, and not the proximity sensor? E.g. put a small piece of foil on top of a specific hole and see if the IR detector still reacts? (Afaik, proximity sensors using IR should be safe.) Proximity sensor might be "always" on for detecting pocketing as mentioned earlier.
Has this been sorted out?
Bump
melchiar said:
Bump
Click to expand...
Click to collapse
Please don't bump threads in under 24 hours.
This isn't a bug and it also isn't something to worry about. Unlike others have stated in this thread, the tiny amount of IR that is emitted is so small, it'd never have any health impact.
It's more than likely that OP's detector is picking up the IR from the proximity sensor, a sensor that is constantly on and emitting IR.
Try turning off all these functions and report back.
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How did you find that your IR diode is still on? Did you take another phone and via it`s camera notice glowing? Or how else?
I am pretty sure something else is emitting the light and not the iris scanner.
Just to close the loop on this, the Android Pie update has fixed this bug. Now the sensors only emit IR at the lock screen while trying to unlock.
pakraider said:
Just to close the loop on this, the Android Pie update has fixed this bug. Now the sensors only emit IR at the lock screen while trying to unlock.
Click to expand...
Click to collapse
How did you test this?
Photo's[emoji2398] by Sully using SM-N960U or SM-870A
sullytrny said:
How did you test this?
Photo's[emoji2398] by Sully using SM-N960U or SM-870A
Click to expand...
Click to collapse
I have an IR detector, which is how I picked up on this issue in the first place with the sensors always emitting IR all the time with Oreo. After the update to Pie, I verified that they are only emitting IR when trying to unlock the phone on the lock screen and they turn off right afterwards.
pakraider said:
I have an IR detector, which is how I picked up on this issue in the first place with the sensors always emitting IR all the time with Oreo. After the update to Pie, I verified that they are only emitting IR when trying to unlock the phone on the lock screen and they turn off right afterwards.
Click to expand...
Click to collapse
It's to bad you didn't have a chance to reset to factory because there is a proximity sensor but I have not looked up how it should work
Photo's[emoji2398] by Sully using SM-N960U or SM-870A
I've just discovered my Note 9 always has an IR light on, VIA security cam with night vision. It got the Android 10 update recently. I don't know if this was happening before the update.
Does anyone know how to turn it off?

Is dark mode dangerous for the screen?

I've seen a youtube video where author says that dark mode in S9+ killed his phone screen.
He said that when you use app that is not affected by dark mode (stays white) and this app uses keyboard (black in dark mode) it causes screen fatigue when you open keyboard and than close it.
Of course it depends on usage but in his example (using this app few times a day) his screen died after two weeks or something like that.
Is it even possible?
If I understood him correctly it wasn't usual screen burn in.
whatever caused the screen to malfunction wasn't use of dark mode
raul6 said:
whatever caused the screen to malfunction wasn't use of dark mode
Click to expand...
Click to collapse
It seemed WEIRD but I decided to ask. I've thought abut it like a light switch.
On bright screen when we turn on black keyboard it will make pixels black. Maybe doing this a lot could be harmful.
Well... I like dark mode so I might turn it on again someday
Thx
860lacov said:
It seemed WEIRD but I decided to ask. I've thought abut it like a light switch.
On bright screen when we turn on black keyboard it will make pixels black. Maybe doing this a lot could be harmful.
Well... I like dark mode so I might turn it on again someday
Thx
Click to expand...
Click to collapse
its like saying that driving your car is bad for the car because when you were driving it failed.
Dark mode doesn't kill displays
freeza said:
Dark mode doesn't kill displays
Click to expand...
Click to collapse
randomness of the QC does.
860lacov said:
It seemed WEIRD but I decided to ask. I've thought abut it like a light switch.
On bright screen when we turn on black keyboard it will make pixels black. Maybe doing this a lot could be harmful.
Well... I like dark mode so I might turn it on again someday
Thx
Click to expand...
Click to collapse
On Oled screens, the sections of the screen that are black are actually turned off completely. So so those pixels aren't even being powered.
I think that idea behind "problem" is :
When you have bright screen and you turn on keyboard with black elements than turn keyboard off it will work like power switch.
To be honest I choose to believe people from xda and assume that if I'm not unlucky than my screen is gonna be fine .
I feel that dark mode has got to much bright elements like icons . They should be grey or something
860lacov said:
I think that idea behind "problem" is :
When you have bright screen and you turn on keyboard with black elements than turn keyboard off it will work like power switch.
To be honest I choose to believe people from xda and assume that if I'm not unlucky than my screen is gonna be fine .
I feel that dark mode has got to much bright elements like icons . They should be grey or something
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What do you mean "it will work like power switch"? And please explain why "work like power switch" is bad for the screen.
Jammol said:
On Oled screens, the sections of the screen that are black are actually turned off completely. So so those pixels aren't even being powered.
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gruuvin said:
What do you mean "it will work like power switch"? And please explain why "work like power switch" is bad for the screen.
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Imagine Light bulb.
When switch is on there is light. When off there is no light.
If I'm correct light bulbs burn when you turn on power . Not while emitting light.
I have no idea if this comparison is even near the truth but this is what came to my mind .
860lacov said:
Imagine Light bulb.
When switch is on there is light. When off there is no light.
If I'm correct light bulbs burn when you turn on power . Not while emitting light.
I have no idea if this comparison is even near the truth but this is what came to my mind .
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sounds logical to me.
let's see if an engineer can disprove it.
im not one but i know that incandescent bulbs and oled are pretty different. the burning filament part of a bulb has a high peak uppon power on and and just the nature of the "burning" makes it much more prown to burnouts. plus the AC current switching created by 50 or 60 hz must be a big part of why bulbs break more...just the strain of it switching polarity back and forth and there is no capacitor to smooth it out. Oled being part of a DC electronic device and natively consuming much less, has all sorts of controls and capacitors to smooth everything out and moreover, it is constant.. but id bet if there is some sort of app that could strobe between full max brightness and blackout real quickly, I'd presume failure faster than we might think.
LED works differently than light bulbs... if LED is near to dead... it won't produce the correct light colors which is nearly happens when there's a screen burn on any OLED screens... it will display colors differently
Correct me if I am wrong but that's how I see it
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Maybe some conclusion ??
Dark mode and normal mode are the same for the screen ?
Oleds are designed to turn off the pixels that are not neded, so no, using a dark theme wont damage the screen.
and the power switch theory is very far from beeng anything, everything you turn on works like a "power switch" and you dont see everything on fire
in the case of the phone, is best for the pixels to be off because they have a sort of fixed lifetime, you will extend that lifetime using them only when needed.
A friend of mine used their S8+ in light mode at 80% brightness and after 18 months the screen was badly burned in. There was a brown haze affect over the entire screen and the status and Navigation bars were heavily noticeable on videos.
Dark mode saves battery and is easier on the eyes. Samsung has done well at preventing burn in, whereas LG is still questionable.
LEDs are diodes. A diode is a pn junction (a one-way valve), which is also what you find in transistors. These things are designed to switch on and off thousands of times a second, and do so for years with zero issues. LED brightness can also be driven with pulse width modulation, switching hundreds of times a second, with a modulated duty cycle that varies the LED brightness. Also note that while you are watching a video on your phone, five million LEDs are getting their brightness modulated 30 times a second. These things are designed exactly for this stuff. Nobody on YouTube will convince me these OLED screens are damaged by normal use.
NORMAL USE.
That said, these screens get VERY bright, to accommodate infrequent use under full sunlight. But some people complain that they can't stand (or even read from) their phone if the brightness is any less than full blast. My wife has it this way even in a dark room, or worse, while DRIVING at night. It's ridiculous! Auto-brightness is the way to go. My Auto-brightness varies from about 10-50% in normal indoor lighting, and it's very comfortable on my eyes while saving battery. I've just finished my normal 16 hour, day and I'm have 79% charge left (seriously). I last took my phone off the charger 16 hours ago.
Download and run the OLED tools app to see how bright your Note9 can go. You have an enormous amount of brightness headroom that you should never need to use for very long.
Dark mode actually helps prolong the life of AMOLED/OLED displays. As pixels which display black are turned off, so only the pixels which display color on the display are active.

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