First package from mid-2010 - just to confuse you I added the DSDT from this machine an the output of system_profiler SPHardwareDataType to this package. Take care of it... Output of the script was "Patched AppleBacklight.kext for DisplayID: F10T9cd7"
Second from mid-2011 with result "Patched AppleBacklight.kext for DisplayID: F10Ta007" - you did not ask for this
- same content including DSDT and SysInfo.txt.
Third from late-2009 with result "Patched AppleBacklight.kext for DisplayID: F10T921e".
Hope this will work for you!