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Windows 8 Tablet Too Bright :(

post #1 of 10
Thread Starter 
Guys, I have a Lenovo Miix 2 and it's too bright for bedtime use.

Can you recommend any apps or work arounds for this?
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post #2 of 10

Absolutely! First, lower the display's brightness as far as it will go. Then, install and use f.lux:

 

http://justgetflux.com/

 

I can provide some help and support for f.lux.

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post #3 of 10
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

Absolutely! First, lower the display's brightness as far as it will go. Then, install and use f.lux:

http://justgetflux.com/

I can provide some help and support for f.lux.


Thanks but all it seemed to do was make the screen yellow. frown.gif

If you might know, anything like Lux Lite (Android) where it just dims the screen and not change the color temp?
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post #4 of 10
Quote:
Originally Posted by tubers View Post


Thanks but all it seemed to do was make the screen yellow. frown.gif

If you might know, anything like Lux Lite (Android) where it just dims the screen and not change the color temp?

 

Read up on it. The yellowing/oranging is a GOOD thing - ESPECIALLY in the last 2-3 hours of your day before you go to sleep. You do NOT want to be getting blasted by that bright blue light from your display at night. It is like staring at bright sunlight right before going to sleep. Would you ever want your room to be filled with bright sunlight at night?

 

Anyway, doesn't your tablet have a built-in way to lower the brightness? I mean, good grief. It should.

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post #5 of 10
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

Read up on it. The yellowing/oranging is a GOOD thing - ESPECIALLY in the last 2-3 hours of your day before you go to sleep. You do NOT want to be getting blasted by that bright blue light from your display at night. It is like staring at bright sunlight right before going to sleep. Would you ever want your room to be filled with bright sunlight at night?

Anyway, doesn't your tablet have a built-in way to lower the brightness? I mean, good grief. It should.

It does but the lowest brightness setting is still too bright.

Unlike lux on android, where all it (lux android) seems to do is dim the display (not change the temp) way below the default can up to the point where you won't see almost anything.
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post #6 of 10
Quote:
Originally Posted by tubers View Post


It does but the lowest brightness setting is still too bright.

Unlike lux on android, where all it (lux android) seems to do is dim the display (not change the temp) way below the default can up to the point where you won't see almost anything.

 

But warming up the color temperature at the lowest display brightness setting will do your eyes a world of good. I am speaking from my own experience here.

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post #7 of 10
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

But warming up the color temperature at the lowest display brightness setting will do your eyes a world of good. I am speaking from my own experience here.

Tried that nope. Yellow aggravates my eyes, probably something to do with warm colors giving that more aggressive psychological effect not to mention it doesn't seem to change/dim actual brightness of the device.

Thank goodness I found a free program called "Dimmer".

http://www.nelsonpires.com/software/dimmer/

Not perfect as it occasionally crashes IE and doesn't work except in Desktop Mode (full Win 8 tablet Miix 2).. it also doesn't dim the taskbar and keyboards so I need to "prepare" my eyes when I pull those up at night.

Still, it's the effect I was looking for.

Thanks for your help so far. I appreciate it.
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post #8 of 10
Quote:
Originally Posted by tubers View Post


Tried that nope. Yellow aggravates my eyes, probably something to do with warm colors giving that more aggressive psychological effect not to mention it doesn't seem to change/dim actual brightness of the device.

 

That's backwards. The warmer the color temperature of light, the more of a calming and relaxing effect it has. That's why the color temperature of sunlight gets warmer at sunset, and that's why fire produces an extremely warm light and that's why plain incandescent light bulbs have more of a calming effect than vivid fluorescent lights.

 

 

Read up on the effect of blue light and the effect of warmer color temperatures of light.

 

http://justgetflux.com/research.html

 

Quote:
Originally Posted by tubers View Post


Thank goodness I found a free program called "Dimmer".

http://www.nelsonpires.com/software/dimmer/

Not perfect as it occasionally crashes IE and doesn't work except in Desktop Mode (full Win 8 tablet Miix 2).. it also doesn't dim the taskbar and keyboards so I need to "prepare" my eyes when I pull those up at night.

Still, it's the effect I was looking for.

Thanks for your help so far. I appreciate it.

 

Well, all that matters is if you're happy with the results, but there are still extremely good reasons (for your health and quality of sleep) to avoid blue light at night - especially if it's bright or if it's only a foot or two away from your eyes.

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post #9 of 10
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

That's backwards. The warmer the color temperature of light, the more of a calming and relaxing effect it has. That's why the color temperature of sunlight gets warmer at sunset, and that's why fire produces an extremely warm light and that's why plain incandescent light bulbs have more of a calming effect than vivid fluorescent lights.


Read up on the effect of blue light and the effect of warmer color temperatures of light.

http://justgetflux.com/research.html


Well, all that matters is if you're happy with the results, but there are still extremely good reasons (for your health and quality of sleep) to avoid blue light at night - especially if it's bright or if it's only a foot or two away from your eyes.
Quote:
Originally Posted by TwoCables View Post

That's backwards. The warmer the color temperature of light, the more of a calming and relaxing effect it has. That's why the color temperature of sunlight gets warmer at sunset, and that's why fire produces an extremely warm light and that's why plain incandescent light bulbs have more of a calming effect than vivid fluorescent lights.


Read up on the effect of blue light and the effect of warmer color temperatures of light.

http://justgetflux.com/research.html


Well, all that matters is if you're happy with the results, but there are still extremely good reasons (for your health and quality of sleep) to avoid blue light at night - especially if it's bright or if it's only a foot or two away from your eyes.

Interesting.. I'll keep that in mind.

I guess I'm just more sold with the Color Psychology theories, Maybe I'm just brainwashed but I really don't like warm colors as it also destroys contrast in my perception.

I don't think that simply warm colors at the lowest brightness of the Lenovo Miix 2 (w/c is still bright and I don't get why Lenovo did this for a tablet) is ultimately better than a very dim screen with more neutral colors in pitch black environment.

I'll post a pic sometime to have a rough Idea on what I mean if we decide to keep this tablet. We may return it in a few hours because we are going out and the video scaling of some flash and html 5 videos are disappointing with Intel's forced scaling (can't be turned off OMG!). I have to keep manipulating resolutions everytime and it still doesn't worth w/ portrait mode.

I tend to watch a lot of videos in portrait mode and it just turns people into slenderman if full screen them (not an issue with an ipad and nexus 7 2013).

https://communities.intel.com/message/217714

The Intel video driver does not allow disabling "maintain aspect ratio" feature. The only option is to choose lower screen resolution.
You may try to check with your computer manufacturer for any customized driver for your computer model.

Allan.


I guess I could use the two tho and that's what's pretty cool about this but the combined effect isn't what I'm looking for.

I am still very thankful for your thoughts about this and most importantly, your time.
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post #10 of 10

It's a real pleasure. Honestly, it is.

 

Using even the dimmest display in a pitch black environment is bad because it's very hard on your eyes. It's much better to have the ambient lighting be roughly equal to the brightness of your display. If your display is brighter than your ambient light, then it's too bright and stressful to your eyes. To see an exaggeration of what I mean, just walk up to a 100W light bulb and just stare at it from about one foot away. Or, look directly into a flashlight for a while.

 

The color of light coming from all computer displays is not neutral. It's a cool light, meaning that it's full of blue light; way too much blue light to be exposed to right before going to sleep. Blue light suppresses the production of Melatonin and you need at least 2-3 hours for the Pineal Gland in your brain to begin producing enough Melatonin that other triggers occur that cause your whole body to prepare to go to sleep. Without that preparation, your quality of sleep suffers. It suffers far more than most people realize.

 

Ideally, we should be simulating the gradual dimming of the sunset in our homes before going to sleep. Instead, most of us don't change our lighting. Too many of us just keep using bright lights, watching TV, looking at computers, mobile devices, etc. Have you ever noticed how there's a blue glow on someone's face when they're using their device or their laptop? Yeah, it's not neutral, it's blue. It's roughly 6500K. Midday sunlight on a summer day can be about 5500K. A cloudy day can be even bluer than 6500K.

 

Why do you suppose that nature designed everything in such a way where the light from the sun becomes warmer and warmer in its color temperature as it sets? Why do you think the only natural source of light we have is fire and that the color temperature from that is extremely warm?

 

Have you ever noticed how some people prefer the calming effect of warm incandescent lighting vs. the energizing vivid and harsh light from fluorescent lighting?

 

A study was done on night driving that used a bright blue LED mounted in a car pointed at the driver's face from the side (so maybe the center of the dashboard). The idea was to see what would happen: would it act like caffeine or would it make no difference? Well, it acted like caffeine, just like sunlight. Haven't you ever noticed that you feel more awake when you look or go outside on a bright sunny day? It's not just because it's bright: it's because it's full of blue light in its spectrum. There's a ton of blue light coming from computer displays and mobile devices.

 

So, not only is warm light easier on our eyes, but it's not "alerting" light blue light is. This allows the body to do what it wants to at night after a long day: produce Melatonin and go to sleep. If you suppress that Melatonin from being produced, then you might still sleep, but you won't wake up feeling very refreshed.

 

I can speak from personal experience: when I allow my body to produce all the Melatonin that it wants, I fall asleep easier and I wake up feeling pretty good. Otherwise, it's a little harder to fall asleep and I don't feel as good when I wake up.

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It's a computer!
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