| 摘要 |
A display brightness control method includes the steps of comparing a display-setting value, which is input by user operation, with a setting value, which is set in advance to a display, if a changed setting value is present, reflecting the changed setting value to the display, determining whether or not the display-setting value is present, if the display-setting value is present, reflecting the changed display-setting value to the display, and after the changed display-setting value is reflected, standing by until a subsequent display-setting value is input. In addition, the screen output areas of the display divided into the used area and the unused area, so that the used area remains original and the unused area is controlled to have the minimized level of brightness or be powered off. It is possible to prevent the visibility from being lowered by the display and protect the vision of the user.
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