Method and device for automatically controlling luminance of display unit
AssigneeSamsung Electronics Co., Ltd.
InventorJung Su HA
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Abstract
A method and an apparatus for displaying and controlling a screen of a portable terminal device are provided. The apparatus includes a sensor for detecting illumination according to peripheral brightness, and a display unit for outputting display data of the portable terminal device, for storing gamma register values corresponding to luminance data, for displaying the display data on a screen, for converting the detected illumination into luminance, and for selecting a gamma register value corresponding to the luminance to control the brightness of the screen.
Claims13
An apparatus for displaying and controlling a screen of a portable terminal device, the apparatus comprising:
- a sensor for detecting illumination according to peripheral brightness;
- and
- a display unit for outputting display data of the portable terminal device, for storing gamma register values corresponding to luminance data, for displaying the display data on a screen, for converting the detected illumination into luminance, and for selecting a gamma register value corresponding to the luminance to control brightness of the screen.
A method for displaying and controlling a screen of a portable terminal device including a sensor for detecting illumination according to peripheral brightness and a main controller for outputting display data of the portable terminal device, the method comprising:
- converting the detected illumination from the sensor into luminance;
- selecting a gamma register value corresponding to the luminance from a luminance/gamma register value conversion table;
- and
- controlling the screen brightness of a display element with the selected gamma register value.
Dependencies are inferred from the claim text.