Display patches on LED TV

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Those look interesting, don't think I have even seen spots that bright or that sharp on a TV or monitor before. Usually they are just lighter blobs not big bright circles. Maybe a bad LCD screen or backlight. Unless you have some lights that are reflecting off the screen, do they stay in the exact same spot when you move the TV?
Those look interesting, don't think I have even seen spots that bright or that sharp on a TV or monitor before. Usually they are just lighter blobs not big bright circles. Maybe a bad LCD screen or backlight. Unless you have some lights that are reflecting off the screen, do they stay in the exact same spot when you move the TV?
 
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