I love how there are so many people who believe or make-up these lies. Yes, there are suppliers of LCD/LCD-LED parts and many manufacturers will buy from the same supplier. Does that make all TVs the same? Why does Samsung, Sony, and Panasonic charge double, triple, or quadruple the price for the same size TV?
I guess those people deserve a TCL TV. I have a 5-year old 40" Samsung 720P 60Hz 8ms, and I'd never replace it with a TCL even if I got it for free. For one, my TV will probably last longer than a brand new TCL. But the most important thing, my TV still has BETTER PICTURE QUALITY.
So you're saying your 5 year old TV has better picture quality than 2012 ones?
Also any HDTV can last 4-5 years with normal use. Actually a lot of earlier samsung tv models had their capacitors blown within 3 years, they was sued with a class action suit just last year.