Solved How fast do LCD's lose their brightness?

April 27, 2014 at 12:21:01
Specs: Windows 7, C2D E7400@2.8Ghz

My name is Sarah and I'm new on the site. :)

I had a question. How fast do LCD's lose their brightness. I have a LCD from EIZO (Japanese brand) and it is a few years old and total usage time on this LCD is 13606 hours. Its a 15" Square (1024x768 resolution) I have gone through a lot of LCD and LED monitors but I have kept this one because of the quality but now the brightness seems low compared to another LED I have and my TV.

The specified brightness on this was 250cd/m2 when I bought it and now it has been used 13606 hours. How much brightness would have decreased by now?

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April 27, 2014 at 12:52:40
It depends what it uses for back lighting. Older LCD monitors used cold cathode florescent tubes which would dim over time. Newer displays use white LED's for lighting which don't dim like florescent lights do.
A 15 inch monitor like yours is rather old so I would suspect it uses a florescent bulb which would explain why it is now much dimmer..

message edited by THX 1138

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April 27, 2014 at 13:01:05
Yes it uses a florescent bulb. Actually I'm buying a laptop and the ones in my range and the ones I like all have an average brightness of 190-200cd/m2. Now compared to my monitor would the displays of the laptops be better and brighter?

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April 27, 2014 at 19:43:06
✔ Best Answer
If you're purchasing a new laptop then yes I would say the display will be better and if you old monitor is getting dim then of course it will be brighter.

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April 28, 2014 at 05:33:15
Thanks for the help. Really appreciate it.

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