$frame_hintergrund = $mw->Frame(-bg=>'green')->pack(-fill=>'both', -expand=>1);

$frame0 = $frame_hintergrund->Frame()->pack(-side=>'top', -expand=>1, -fill=>'x', -anchor=>'n');
$LE = $frame0->LabEntry()->pack();
$frame1 = $frame_hintergrund->Frame()->pack(-side=>'left', -fill=>'y',-expand=>1);
$frame2 = $frame_hintergrund->Frame()->pack(-expand=>1, -fill=>'y', -side=>'right', -anchor=>'e');