Purchased a 65 inch curved tv about 3 years ago. Noticed a whie tear drop shape on the upper right hand corner. Checked several websites and found this is a very common problem with these tvs. In fact found a picture on a website that matched the mark that showed up on my screen exactly. Samsung is selling defective products and know it and will not recall these tvs. I spent around 3700 dollars for this tv and its now a boat anchor in less than 3 years. Do not purchase a samsung tv it is not worth the money and aggravation. They know these tvs are defective and will not recall them.