Which is better for tired eyes: LED or LCD monitor?

Discussion in 'Hardware Components and Aftermarket Upgrades' started by octavia, Jan 5, 2010.

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  1. octavia

    octavia Notebook Evangelist

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    Hello,

    Which monitor is easier on the eyes: LED or LCD monitor? I work very long hours in front of my monitors (not graphics, mostly texts) so I need to get a monitor that won't make my eyes too tired, preferably a matte monitor. I'll be using it to watch television also so I'd like a good quality monitor (not too bright) but that's not my main criterion.

    Thanks.
     
  2. vostro1400user

    vostro1400user Notebook Deity

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    LED is better. thinkvision L2440x is best for eye strain relax, dell G2410 second, imho.
    http://reviews.cnet.com/lcd-monitors/lenovo-thinkvision-l2440x/4505-3174_7-33343692-2.html
    "We noticed that when viewing the CCFL-based screen of the L2440p for more than a few seconds our eyes would feel strained; however, when looking at the L2440x's screen that is LED-based, we did not perceive of any strain. This occurred even when both monitors had their brightness set to zero. Your mileage may vary when it comes to eyestrain, but we thought it was worth mentioning. "
     
  3. vostro1400user

    vostro1400user Notebook Deity

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  4. davepermen

    davepermen Notebook Nobel Laureate

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    one thing to consider about led lights (actually two things)

    a) if they flicker, they flicker very synthetically, like strobos at parties. some of my lights (i have all leds at home) do flicker at 50hz, it's quite irritating :) shouldn't be a problem for a backlight, though..

    b) they don't have the full colour spec of the sun to represent white. they fit more the spectrum of the moon. the result: it's quite relaxing. even with a very bright led lit room, you will quickly chill down and can easily start to sleep.

    i don't think any of those matters much for backlights, but in general, led lights are very pleasing, and so are they as backlights.
     
  5. Explosivpotato

    Explosivpotato Notebook Consultant

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    Flourescent lights actually flicker, LEDs don't.
     
  6. timesquaredesi

    timesquaredesi MagicPeople VooDooPeople

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    only trust your eyes.

    go to a best buy and test out each of the monitors with lcd or led technology. your eyes will love the led - pictures look like they are printed on the screen as opposed to be generated on the lcd.... i duno, that's maybe a bad analogy but you will see what i mean in the store.

    my dv7t has a regular lcd display and my gf's dv4t has the LED. once i saw her led screen, i wish i had gotten my dv7t with it but it wasnt an option at the time. the display is so crisp, high res pictures look even better. the downside is that the led screens are really bright but that's nothing that brightness controls can't fix.
     
  7. davepermen

    davepermen Notebook Nobel Laureate

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    on AC, yes, on DC, no.. or the other way around :) i don't know which one is which right now :)
     
  8. Explosivpotato

    Explosivpotato Notebook Consultant

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    go try and run an LED on AC and let me know how that goes...

    :p LEDs only flow current one way, that's why they're diodes. They're designed to run with constant DC.

    Flourescent bulbs HAVE to run with AC, they don't work otherwise. That's why they have inverters.
     
  9. davepermen

    davepermen Notebook Nobel Laureate

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    well, try to get constant DC out of the power outlet, which is what my leds are plugged in at home.

    they have some form of inverter, too. so they get an asb(sin(t)) style pulse. now leds have a very quick getting bright curve, and not getting much brighter if you apply more power to it, so it will be mostly something closer to an abs(squarewave(t)) style curve. that, sir, is horrendous flickering.

    some have a tiny buffer to even it out. they deliver nice constant nonflickering lights. but some don't.



    i'm not talking about in-laptop-lights right now, just in case you're unsure :)

    just if you have some reason to get an led to flicker, be prepared for strobo-like behaviour.. :)
     
  10. surfasb

    surfasb Titles Shmm-itles

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    I second this. Nothing beats actually staring at a monitor with your own eyes.
     
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