Help backlight issue ?

[tempusmedia]

Hi, all had my desire hd for a few months now well happy with the handset but i have noticed that the backlight will not go off even if you go to display and change the timeout settings it still stays on untill you click the power button which nine out of ten times i forget to do and end up calling someone in my pocket any help here guys please
thanks in advance ....

 

[El Presidente]

What time are you changing the timeout settings to?

You might have an app or widget that's keeping the screen active?