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Does the Brightness Retrogress?
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Grizzled Veteran
Join Date: Jun 2006
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This may seem like a silly question but does the brightness of the screen retrogress as you use the a Macbook more. To me it appears as if my screen is not nearly as bright as it was when I purchased my lappy.
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16 GB 2nd Generation Black iPod Touch w/Contour Showcase
White Core 2 Duo Macbook with: 2.0 GHz/1 GB Ram/80 GB Hard Drive
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Grizzled Veteran
Join Date: Jun 2006
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16 GB 2nd Generation Black iPod Touch w/Contour Showcase
White Core 2 Duo Macbook with: 2.0 GHz/1 GB Ram/80 GB Hard Drive
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Mac Elite
Join Date: Sep 2005
Location: Vancouver, BC
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Yup.
CCFLs become dimmer and dimmer over time -- but they should still provide good brightness for 5-8 years. I have an old eMachines laptop from 2003 and the CCFL on it is still decent.
LED-backlight screens should last much, much longer, but unfortunately, regular MacBooks don't have those yet.
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Clinically Insane
Join Date: Oct 2001
Location: San Diego, CA, USA
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I wouldn't think it would be that noticeable yet on a Core 2 duo MacBook, but it does happen. How much dimmer is your screen?
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Chuck
___
"Instead of either 'multi-talented' or 'multitalented' use 'bisexual'."
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Posting Junkie
Join Date: Jan 2006
Location: Seattle, Washington
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It does retrogress over the years, but it shouldn't be terribly noticable on a MacBook that new. The only way it should be noticeable is if you have your MacBook right next to a new one. Before judging it though, allow at least 30 minutes for the panel to come to its full brightness.
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Grizzled Veteran
Join Date: Jun 2006
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Its not horrible but I have noticed it has retrogressed.
The Macbook Pro's are LEDs right?
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16 GB 2nd Generation Black iPod Touch w/Contour Showcase
White Core 2 Duo Macbook with: 2.0 GHz/1 GB Ram/80 GB Hard Drive
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Professional Poster
Join Date: Jun 2002
Location: Southern California
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Mac Elite
Join Date: Mar 2007
Location: WI, United States
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Only the 17", I believe.
EDIT: Guess it's both.
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I'm on MacNN forums, but no longer have a Mac...
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Admin Emeritus  Join Date: Oct 1999
Location: Zurich, Switzerland
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Originally Posted by frankthetank966 
This may seem like a silly question but does the brightness of the screen retrogress as you use the a Macbook more.
How would dimming be retrogressing (that is, returning to an earlier state)? The earlier state was better. But yes, they do degrade with time. I'll be curious to see how the LED backlights hold up over time, since they also rely on phosphors, just like CCFLs.
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Senior User
Join Date: Dec 2005
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We will have to see how much the LED degrade over time but the CCFLs definitely degraded. My PowerBook is a lot dimmer than when it was new. I would also assume that the more you use your laptop with the screen on the quicker it would degrade since you would have the screen firing a lot longer than average.
It's also how sensitive you are to the light because you might notice a slight decrease in brightness when some else can't even tell the difference. I personally like a bright screen because my PowerBook is very dull to look at. In really bright rooms it seems like the screen isn't even on.
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Posting Junkie
Join Date: Feb 2005
Location: 888500128
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Originally Posted by Mac User #001
Only the 17", I believe.
EDIT: Guess it's both.
Wrong.
Only the 15".
The 17" only has LED lighting in the OPTIONAL Hi-Res display.
This will change next Tuesday, as the entire lineup moves to LED backlighting.
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Moderator  Join Date: Apr 2000
Location: Gothenburg, Sweden
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Note that keeping the backlight at 90% instead of 100% extends its lifetime by quite a bit.
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Moderator  Join Date: Apr 2005
Location: Cambridge, UK
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I think it all partly depends on the lucky dip of screen you got in your MacBook.
The Samsung LCD (TN panel I'm assuming) in my newer MacBook is quite darker and more gloomy compared to the older one which has a far superior and brighter LG screen (read: not (noticeably) dithering colours).
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Admin Emeritus Join Date: Oct 1999
Location: Zurich, Switzerland
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The screen in the MacBook I got just recently sucks. I mean, the viewing angle is just terrible (same in the current 20" iMacs). But it's not my main machine, so it's not a big deal.
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Moderator Join Date: Apr 2005
Location: Cambridge, UK
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You can check to see what screen you have (I'm sure you know this)
Quoted from another thread
Originally Posted by Tomchu
I'm going to post some follow-up information because I've had some inquiries about the above post:
You can use ColorSync Utility to check up on which model of LCD you have in your MacBook. The steps are simple:
1. Open ColorSync Utility
2. Click "Color LCD" under Displays
3. Click "Open" beside the color profile information
4. In the new window, scroll down to item #13
The "Model" field is the one to look for. It should be one of these:
9C5E/5E9C - Chi Mei N133I1
9C5C/5C9C - Au Optronics B133EW01
9C5B/5B9C - Samsung LTN133W1
9C5F/5F9C - LG Philips LP133WX1
The only screen I haven't had is the Au Optronics, so far the LG has been the best, the Samsung the worst and the Chi Mei had dead pixels and a yellowy patch but was certainly much better than the Samsung.
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