Patent ID: 8482566
Filing Date: 2013-07-09
Classification: G06F,G09G

Abstract:
1. An electronic paper terminal device comprising: a display device capable of dividing a screen thereof into a plurality of lines of pixels and updating the screen on a line-by-line basis; an image storage unit which stores an image to be displayed on the display device; a pixel concentration calculation unit which calculates concentrations of pixels constituting the image to be displayed, and totalizes the concentrations of pixels for each line of the display device; a drawing order determination unit which determines priority of each line of the display device based on the totalized concentrations for each line; a priority storage unit which stores priorities of each of the lines determined by the drawing order determination unit; and a drawing unit which selects lines in descending order corresponding with the priorities stored in the priority storage unit, acquires image data on the selected lines from the image to be displayed, and draws on the selected lines of the display device based on the acquired image data.