I've had my 40in Sony since 09 and I leave it on all day in my bedroom and it's never had any problemsLG or Sony OLED with a warranty
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I have a 55in Viera Panasonic Plasma from 2012, great image quality, I also have a Sharp Aquos 70in from 2012, none of my TVs had any issues. I game on monitors now tho.