when watching tv without any room lights on there appears to be lights shining in all four corners of the screen

[admiral15]

when watching tv without any room lights, on there appears to be white light shining on all corners of the screen.(Bravia KDL 550W series)

[hardeepr]

That'll be the backlighting of your LCD panel - you could try turning it down but that will affect the picture brightness.

Backlight leakage is often an area that reviews will mention - bit late now

[deanpullenuk]

Yeah have it quite bad on my 40" 803. Doesn't really affect anything unless the scene is dark.