Sony Ericsson G900 Smartphone "screen getting darker phone" Questions

screen get darker but the back light on after few minutes get restarted... Wat is the real problem? Codec, software or the LCD itself? ive gotten my phone to get checked out by centers and whatnot and

darker lines. The screen still responds to touch (I can hear it click when I touch where the menu should be.) I have taken the phone apart and am wondering if there is a way to fix the display part of

...screen gets darker. What do you think is the problem? and what should i do? thanks! lots users encounter tis problem. i faced this after used it for 3 mths. Had it sent to service centre for 2mths, ...

...screen getting darker...i always need to restart my phone to know whether i have a new message or not..and its really annoying me..and sometime i missed the call.for your info,i still have the ...