LUMINANCE CONTROLLER, LUMINANCE ADJUSTING SYSTEM, COMPUTER SYSTEM, LIQUID CRYSTAL DISPLAY DEVICE, LUMINANCE CONTROL METHOD, COMPUTER PROGRAM AND STORAGE MEDIUM

摘要

PROBLEM TO BE SOLVED: To automatically adjust the luminance of the screen of a display device in accordance with the brightness of the display and to improve the visibility of the display picture.;SOLUTION: The controller is provided with a gray scale gradation evaluation section 20 which calculates the brightness of a display in a prescribed window being displayed on the screen of a display device and a display control section 30 which controls the luminance of the screen of the display device based on the display brightness in the prescribed window calculated by the section 20.;COPYRIGHT: (C)2002,JPO