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Can sunlight damage an LCD screen?

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Old 07-06-2009, 05:54 PM   #1
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Default Can sunlight damage an LCD screen?

I have a Vizio 42" LCD TV that is not used that much, but is in direct sunlight for about 2 hours a day. Can that damage the screen? Will the sunlight cause the TV to fritz out, cause it just did over the weekend....
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Old 07-06-2009, 06:19 PM   #2
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Sunlight is bad for most man made (and natural also) things that are exposed to UV rays for long periods of time. The UV rays eats away at such things and CAN/WILL damage something unless it was specifically designed to withstand the UV rays.

Some people mistakenly state that LCD is a better choice if the display will be in the direct sunlight, but the matte screens will eventually get eaten away by the UV rays over time. Glass screens would likely fair better, but the thing to do is NOT put a display in direct sunlight for extended periods. I do not know if that is what caused the problem you have now, but check your manual as they very likely say to not leave the TV in direct sunlight.

What are the problems you are having, as "fritz out" really doesn't help figure out the possible causes?

Hope this helps & welcome to the forum!
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Old 07-06-2009, 06:34 PM   #3
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well i think sunlight is bad for every electronic specially cell phones,ipods and TVs...because of the temperature as these electronic have their own heat and sunlight is increasing the temperature of the inner body which may case to leak of any IC or any electronic part.
but if you can control the temprature like having AC in the room which may cool down the electronic to its normal temprature then i guess there is no problem with this.but on the other hand i think the sunlight also faint the colour of the electronic so as a WHOLE........in my opinion
IT IS BAD.Avoid as much as you can.
hope this helps
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Old 07-06-2009, 07:31 PM   #4
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Default Regarding UV

As it turns out, common window glass is almost completely opaque to UV rays, so the UV thing is pretty much a non-issue.

I wouldn't expect a couple hours of sunshine to do any appreciable harm to a LCD screen . . . of course it doesn't make it last longer either.
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Old 07-06-2009, 08:33 PM   #5
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Quote:
Originally Posted by VideeO View Post
As it turns out, common window glass is almost completely opaque to UV rays, so the UV thing is pretty much a non-issue.

I wouldn't expect a couple hours of sunshine to do any appreciable harm to a LCD screen . . . of course it doesn't make it last longer either.
You still have the problem of heat though, especially with a matte black screen which absorbs heat pretty nicely. Its probably not killing your tv but better safe than sorry.
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Old 07-06-2009, 09:47 PM   #6
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Quote:
Originally Posted by VideeO View Post
As it turns out, common window glass is almost completely opaque to UV rays, so the UV thing is pretty much a non-issue.

I wouldn't expect a couple hours of sunshine to do any appreciable harm to a LCD screen . . . of course it doesn't make it last longer either.
The matte screens on many LCDs are NOT made of glass though. Some have said the matte screens are one of the major reasons to go with LCD over plasma as you can have the sunlight on the screen and it doesn't reflect as much as the glass screens on plasmas.

My point was that matte screen LCDs should NOT be in direct sunlight.
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Old 07-07-2009, 01:47 AM   #7
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The matte screens on many LCDs are NOT made of glass though. Some have said the matte screens are one of the major reasons to go with LCD over plasma as you can have the sunlight on the screen and it doesn't reflect as much as the glass screens on plasmas.

My point was that matte screen LCDs should NOT be in direct sunlight.
I thought he was referring to the glass window in the room. I agree with you but I think thats what he was talking about.
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Old 07-07-2009, 03:42 AM   #8
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I thought he was referring to the glass window in the room. I agree with you but I think thats what he was talking about.
I disagree about what he is asking. Read the OP again. He is wondering if the display was damaged being in direct sunlight.
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Old 07-07-2009, 06:26 AM   #9
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The OP refers to "direct sunlight", but common sense would suggest that the set is not in his back yard, but more likely inside of his house.

The window glass in the house is opaque to UV.

As for heat, I will assume that the set is off during the "direct sunlight" exposure period; in which case the passive heat generated from a few hours of sunlight exposure is also a non-issue.
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Old 07-07-2009, 07:51 AM   #10
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Quote:
Originally Posted by skmoser View Post
Will the sunlight cause the TV to fritz out, cause it just did over the weekend....
Simple answer - NO.
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Old 07-07-2009, 11:20 AM   #11
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Quote:
Originally Posted by VideeO View Post
The OP refers to "direct sunlight", but common sense would suggest that the set is not in his back yard, but more likely inside of his house.

The window glass in the house is opaque to UV.

As for heat, I will assume that the set is off during the "direct sunlight" exposure period; in which case the passive heat generated from a few hours of sunlight exposure is also a non-issue.
I was talking about that, not what the OP said. I should have been more specific, my bad.
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Old 07-07-2009, 11:23 AM   #12
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Quote:
Originally Posted by VideeO View Post
The window glass in the house is opaque to UV.
That depends on the glass and it's age.
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Old 07-07-2009, 11:47 AM   #13
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That depends on the glass and it's age.
agree.....
and why to take a risk on this for which you have to regret after wards and says...WHAT IF I NOT DO THIS...BLAH BLAH.
so i will not recommend it even if the glass is UV.
to me its just like you sit in the sunlight with UV glass and having a HOT Coffee how would it feel if you end one and have to drink another....
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Old 07-07-2009, 11:58 AM   #14
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So, I'm sitting in my sunroom with a nice book, and the sunlight is streaming through the windows,
and I'm enjoying a nice fresh hot cup of coffee . . .
. . . all of a sudden, I ask myself . . .

Quote:
Originally Posted by numan2good View Post
agree.....
and why to take a risk on this for which you have to regret after wards and says...WHAT IF I NOT DO THIS...BLAH BLAH.
so i will not recommend it even if the glass is UV.
to me its just like you sit in the sunlight with UV glass and having a HOT Coffee how would it feel if you end one and have to drink another....
. . . what the hell did this guy just say???
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Old 07-07-2009, 12:03 PM   #15
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Originally Posted by VideeO View Post
So, I'm sitting in my sunroom with a nice book, and the sunlight is streaming through the windows,
and I'm enjoying a nice fresh hot cup of coffee . . .
. . . all of a sudden, I ask myself . . .


. . . what the hell did this guy just say???
well all i want to say that sunlight is dangerous for any kind of electronics.anyways it was me....but enjoy your coffee........
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