Berkeley CSUA MOTD:Entry 36603
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2025/05/24 [General] UID:1000 Activity:popular
5/24    

2005/3/9-10 [Computer/HW/Laptop] UID:36603 Activity:moderate
3/9     How long are LCDs expected to last? 3 years? 5 years? 10 years? Thx.
        \_ The conventional wisdom is:
           (1) As long as the backlight lasts
               - It will dim in intensity, as much as 50% or more over x years
               - You can get it replaced for x hundreds of dollars
               - You can get it replaced for x hundreds of dollars by the
                 manufacturer
           (2) As long as pixels don't start going dead
           Hard numbers for both factors may have changed for a 15" LCD from
           four years ago to a 19" 16ms display / 20"+ widescreen you just
           bought.  Chances are you stopped using that 15" LCD a long time ago
           and haven't really thought about how much it degraded over time --
           just that it sucks compared to your 23" widescreen today.
           \_ I've noticed that my powerbook screen has dimed over the 2 or so
              years I've owned it.
              \_ mine hasn't over 4 years.  I use it several hours/day.
              \_ Try cleaning it.  There's also a brightness control.  -John
        \_ The 15" Apple Studio Display my mom got me for xmas '99 is still
           going strong. It gets daily use for 2+ hrs a day. My 20" Apple
           Cinema Display is in great shape as well after 2+ yrs.
           Most of my friends who have LCDs have only replaced them b/c they
           wanted a bigger screen not b/c they had problems w/ them.
           \_ The 15" I displayed to your mom is also still going strong.
        \_ Related note:  Does powering down the LCD when not in use, even for
           just 15 minutes help save the screen?  Or is the power surge from
           on/off going to degrade the backlight faster?
           \_ my experience with lots of thinkpads is that screens wear out
              from 1) travel/concussion/temp shock, 2) aggressive power-off
              blanking, 3) hours of operating time.  I set mine to not blank
              in less than 12 hours, and only manually blank it if I am
              going to be away for hours or am surviving on battery.
              \_ Stupid question, does LCD suffer from burn-in?
2025/05/24 [General] UID:1000 Activity:popular
5/24    

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