SCREEN IMAGE PERSISTENCE PREVENTING DEVICE, SCREEN IMAGE PERSISTENCE PREVENTING METHOD AND SCREEN IMAGE PERSISTENCE PREVENTING PROGRAM

摘要

PROBLEM TO BE SOLVED: To prevent image persistence of a display screen without imparting any feeling of physical disorder to a user who views the display screen.;SOLUTION: A screen image persistence preventing device 1 comprises a pixel data holding part 21, a drawing processing part 22, a re-drawing processing part 23, and a pixel data selection part 24. The pixel data holding part 21 holds pixel data of a predetermined region of a screen of a previously selected liquid crystal display 5 in a storage part 3. The drawing processing part 22 after drawing pixels in the predetermined region in a different color from the pixels draws the pixels in a color different from the different color. The re-drawing processing part 23 re-draws pixels of the held pixel data in a region of the pixels drawn in the different color. The pixel data selection part 24 selects pixel data in another predetermined region different from the predetermined region as pixel data to be held in the storage part 3 after the re-drawing.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2017,JPO&INPIT