Method and apparatus for controlling screen brightness corresponding to variation of illumination
First Claim
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1. A method of controlling a screen brightness in a user device, the method comprising:
- detecting a first illumination when a display unit is turned on;
determining a first optimal brightness corresponding to the first illumination with reference to a first profile of a plurality of predefined brightness profiles for respective illuminations, and controlling the screen brightness to be the first optimal brightness;
maintaining, in response to an illumination change being detected, the screen brightness as the first optimal brightness;
detecting, a second illumination corresponding to the first optimal brightness with reference to a second profile of the plurality of predefined brightness profiles; and
determining, in response to the illumination change reaching the second illumination, a second optimal brightness corresponding to the second illumination with reference to the first profile, and controlling the screen brightness to be the second optimal brightness.
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Abstract
A method of controlling a screen brightness in a user device includes determining an illumination when a display unit is turned on, determining an optimal brightness according to the illumination and displaying according to the optimal brightness during an illumination change, determining an illumination when the current optimal brightness reaches a threshold, and determining an optimal brightness in the determined illumination and controlling a screen display according to the optimal brightness.
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Citations
23 Claims
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1. A method of controlling a screen brightness in a user device, the method comprising:
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detecting a first illumination when a display unit is turned on; determining a first optimal brightness corresponding to the first illumination with reference to a first profile of a plurality of predefined brightness profiles for respective illuminations, and controlling the screen brightness to be the first optimal brightness; maintaining, in response to an illumination change being detected, the screen brightness as the first optimal brightness; detecting, a second illumination corresponding to the first optimal brightness with reference to a second profile of the plurality of predefined brightness profiles; and determining, in response to the illumination change reaching the second illumination, a second optimal brightness corresponding to the second illumination with reference to the first profile, and controlling the screen brightness to be the second optimal brightness. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of controlling a screen brightness in a user device, the method comprising:
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detecting an illumination when a screen is turned on, and determining a first optimal brightness corresponding to the illumination with reference to an optimal brightness profile of a plurality of brightness profiles for respective illuminations; controlling the screen brightness to be the determined first optimal brightness; detecting an illumination change during the screen brightness is controlled to be the determined first optimal brightness; determining whether the illumination change corresponds to a noise-type illumination change; performing an exceptional process for the noise-type illumination change if the illumination change corresponds to the noise-type illumination change; determining whether an adaptation mode that considers characteristics of a user'"'"'s vision angle is set after performing the exceptional process for the noise-type illumination change, or when the illumination change does not correspond to the noise-type illumination change; detecting a second illumination corresponding to the determined first optimal brightness with reference to a minimum or maximum profile of the plurality of predefined brightness profiles, and determining a second optimal brightness corresponding to the illumination change based on the optimal brightness profile of the plurality of brightness profiles when the illumination change reaches the second illumination, if the adaptation mode has not been set; detecting the second illumination corresponding to the determined first optimal brightness with reference to the minimum or maximum profile of the plurality of predefined brightness profiles, and determining an adaptation optimal brightness corresponding to the illumination change based on an adaptation optimal brightness profile of the plurality of brightness profiles when the illumination change reaches the third illumination, if the adaptation mode has been set; and controlling the screen brightness to be the determined second optimal brightness or the determined adaptation optimal brightness. - View Dependent Claims (15, 16)
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17. A user device, comprising:
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an illumination sensor configured to measure an illumination surrounding the user device; a display unit configured to display a screen corresponding to a screen brightness determined according to the surrounding illumination; a storage unit configured to store a plurality of brightness profiles for respective illuminations; and a controller configured to; control the screen brightness by determining a first optimal brightness according to a first illumination when the display unit is turned on with reference to a first profile of the plurality of brightness profiles; maintain, in response to an illumination change being detected, the screen brightness as the first optimal brightness, and detect a second illumination corresponding to the first optimal brightness with reference to a second profile of the plurality of brightness profiles; determine a second optimal brightness corresponding to the second illumination with reference to a third profile of the plurality of brightness profiles in response to the illumination change reaching the second illumination; and control the screen brightness to be the second optimal brightness. - View Dependent Claims (18, 19, 20, 21, 22)
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23. A non-transitory computer-readable recording medium having recorded thereon a method of controlling a screen brightness in a user device, the method comprising:
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detecting a first illumination when a display unit is turned on; determining a first optimal brightness corresponding to the first illumination with reference to a first profile of a plurality of predefined brightness profiles for respective illuminations, and controlling the screen brightness to be the first optimal brightness; maintaining, in response to an illumination change being detected, the screen brightness as the first optimal brightness; detecting a second illumination corresponding to the first optimal brightness with reference to a second profile of the plurality of predefined brightness profiles; and determining, in response to the illumination change reaching the second illumination, a second optimal brightness corresponding to the second illumination with reference to the first profile, and controlling the screen brightness to be the second optimal brightness.
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Specification