You can try Imgur.com or another picture sharing site if you wish.
The TV appears to be a LED model and there are now many Youtubes about LED backlight repair (if that's it.) But check warranty since the diagnosis and repair can be scary for most.
I have a Samsung TV, UN55C8000XFXZA, and today the lower left quarter of the TV is dimmer then the rest. Is it worth fixing?
Image: https://dl.dropboxusercontent.com/content_link/zzoI2E3NXORgAcYCADe0BXGylyX0ywmjKOkgVHz7sSNlmrM0xYYv3UQEm3KVRJPF/file

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