Patent ID: 9373300
Filing Date: 2016-06-21
CPC Classification: G09G

Claim Text:
1. A power management method for a display, part of a plurality of scan lines of an original frame image classified to a first group, and the other part of the plurality of scan lines of the original frame image classified to a second group, the scan lines corresponding to the first group and the scan lines corresponding to the second group interlacing with each other, a first pulse timing distribution for controlling the first group to be displayed during one of a plurality of successive first periods on a display, a second pulse timing distribution for controlling the second group to be displayed during another one of the plurality of successive first periods on the display, the power management method comprising: comparing contents in the original frame image with contents in a previous image to generate a plurality of successive second periods, wherein the second period has a first stage and a second stage; shortening a plurality of time intervals in the first pulse timing distribution and outputting the first pulse timing distribution for displaying a first sub-frame image on the display during the first stage of one of the plurality of successive second periods, and shortening a plurality of time intervals in the second pulse timing distribution and outputting the second pulse timing distribution for displaying a second sub-frame image on the display during the first stage of the other one of the plurality of successive second periods; and turning off a driving circuit of the display during the second stage in each of the successive second periods.