Brightness controlling apparatus, brightness adjusting system, computer system, liquid crystal display unit, brightness controlling method, computer software, and storage medium
AssigneeInternational Business Machines Corporation
InventorSeiichi Kawano
Life of this patent
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Abstract
An apparatus and method for enabling screen brightness of a display unit to be adjusted automatically according to display brightness, thereby improving the visibility of the display screen to a viewing user. A brightness adjusting system including a gray scale gradation evaluator 20 for calculating the display brightness in a certain window displayed on the screen of a display unit and a display controller 30 for controlling the screen brightness of the display unit according to the display brightness in the certain window, calculated by the gray scale gradation evaluator 20, is provided for.
Claims5
1) A brightness adjusting system, comprising:
- a display gradation calculator for calculating the display brightness in a specific area of an image displayed on the screen of a display unit;
- and
- a brightness adjuster for adjusting the screen brightness of said display unit according to said display brightness in said specific area, calculated by said display gradation calculator.
3) A brightness controlling method for controlling the screen brightness of a display unit, wherein said method comprises.
- a step of calculating the display brightness in a certain window displayed on the screen of said display unit;
- and
- a step of adjusting the brightness of the whole screen of said display unit according to said calculated display brightness.
Dependencies are inferred from the claim text.