Patent ID: 7552349

Claim:
A computer-readable storage medium including computer-executable instructions for conserving power on a portable computing device, the portable computing device comprising a display unit and a power unit, the power unit providing power to the display unit, the display unit providing a display at a first resolution, the computer-executable instructions comprising instructions for: monitoring an amount of power remaining in the power unit; determining that the remaining power falls below a first threshold level; and in response to the amount of the remaining power falling below the first threshold level: partitioning the display into a first portion and a second portion, wherein the first portion includes the second portion; causing power provided to the first portion to be substantially reduced so that a size of the display is reduced to the second portion; continuing to monitor the amount of power remaining in the power unit; determining that the remaining power falls below a second threshold; and in response to the amount of remaining power falling below the second threshold level: partitioning the display into a third portion and a fourth portion; and causing power provided to the third portion to be substantially reduced, wherein the second portion includes the fourth portion, and the size of the display is reduced to the fourth portion.