(http://ieeexplore.ieee.org/Xplore/login.jsp?reload=true&url=http%3A%2F %2- Fieeexplore.ieee.lrg%2Fiel5%2F4341939%2F4341940%2F04342490.pdf%3Farnumb er%- 3D4342490&authDecision=-203) published Jun. 17-21, 2007. cited by applicant . H. Shim et al., "A Backlight Power Management Framework for Battery-Operated Multimedia Systems", IEEE Design and Test of Computers, Special Issue on Embedded Systems for Real-Time Multimedia 1, (http://atrak.usc.edu/.about.massoud/Papers/backlit-pm-dnt2004.pdf) published 2000. cited by applicant . Office Action mailed Sep. 4, 2014; in Canadian patent application No. 2,751,776. cited by applicant. Primary Examiner: Lao; Lun-Yi Assistant Examiner: McLoone; Peter D Attorney, Agent or Firm: Fish & Richardson P.C.