Patent ID: 6657611
Filing Date: 2003-12-02
Classification: G09G,H04N

Abstract:
A method of selecting a white color temperature of display information on a color display device, the method comprising the steps:supplying video drive signals to the color display device, color hues of the display information being determined by ratios of values of the video drive signals; controlling the supplying step to supply a graphical representation of various colors in the display information; receiving a user command indicating a use-selected color in said graphical representation; calculating a correction ratio in dependence on the user selected color; and correcting said values of the video drive signals in dependence on said correction ratio for displaying the display information in the white color temperature indicated by said selected color, characterized in that the controlling step comprises the step:adding a graphical indication to said graphical representation for graphically indicating white colors, and in that the receiving step comprises the step: detecting whether said selected color lies on or near said graphical indication, the correcting step correcting said values only if said selected color lies on or near said graphical indication.