SYSTEMS AND METHODS FOR CHANGING CONTRAST BASED ON BRIGHTNESS OF AN OUTPUT FOR PRESENTATION ON A DISPLAY

• US 20140368525A1
• Filed: 06/12/2013
• Published: 12/18/2014
• Est. Priority Date: 06/12/2013
• Status: Active Grant

• Current Assignee: Google LLC (Alphabet Inc.)
• Original Assignee: Google Inc. (Alphabet Inc.)
• Inventors: Faaborg, Alexander, Ng, Peter
• Granted Patent: US 8,929,679 B1
• Time in Patent Office: Days
• US Class Current: 345/589
• CPC Class Codes: G09G 2320/0626 for control of overall brightness
• CPC Class Codes: G09G 2320/066 for control of contrast
• CPC Class Codes: G09G 2330/021 Power management, e.g. power saving
• CPC Class Codes: G09G 2360/144 the light being ambient light
• CPC Class Codes: G09G 5/02 characterised by the way in which colour is displayed details of colour display specific for CRTs G09G1/28; specific for flat matrix panels other than liquid crystal displays G09G3/2003; specific for liquid crystal displays G09G3/3607
• CPC Class Codes: G09G 5/10 Intensity circuits

Abstract

Certain implementations of the disclosed technology may include systems and methods for changing a contrast level associated with an output for presentation on a display in response to detecting a change in a brightness level. According to an example implementation, a method is provided. The method includes determining, by a computing device, a first brightness level associated with an output for presentation on a display. The method also includes determining, by the computing device, a first contrast level associated with the output for presentation on the display. Responsive to detecting, by the computing device, a change from the first brightness level to a second brightness level, the method includes changing, by the computing device, the first contrast level to a second contrast level.

Claims

1. A method comprising:

determining, by a computing device, a first brightness level associated with an output for presentation on a display including at least one background element with a corresponding background color and at least one text element with a corresponding text color;

determining, by the computing device, a first contrast level associated with the output for presentation on the display; and

responsive to detecting, by the computing device, a change from the first brightness level to a second brightness level, changing, by the computing device, the first contrast level to a second contrast level,

wherein changing, by the computing device, the first contrast level to the second contrast level includes at least one of;

changing, by the computing device, the background color of the at least one background element from a first background color to a second background color; and

changing, by the computing device, the text color of the at least one text element from a first text color to a second text color.

2. The method of claim 1, wherein detecting, by the computing device, a change from the first brightness level to the second brightness level comprises detecting, by the computing device, a change in screen brightness associated with the output for presentation on the display.

3. The method of claim 1, wherein detecting, by the computing device, a change from the first brightness level to the second brightness level comprises detecting, by the computing device, a change in ambient light conditions associated with the output for presentation on the display.

4. The method of claim 1, wherein detecting, by the computing device, a change from the first brightness level to the second brightness level comprises detecting, by the computing device, a change in power usage of the computing device.

5. The method of claim 1, wherein changing, by the computing device, the background color of the at least one background element comprises changing, by the computing device, at least one color component value associated with the background color of the at least one background element.

6. The method of claim 1, wherein changing, by the computing device, the text color of the at least one text element comprises changing, by the computing device, at least one color component value associated with the text color of the at least one text element.

7. The method of claim 1, wherein changing, by the computing device, at least one of the background color of the at least one background element and the text color of the at least one text element comprises, responsive to detecting, by the computing device, that the second brightness level is lower than the first brightness level, increasing, by the computing device, a color contrast level between the background color of the at least one background element and the text color of the at least one text element.

8. The method of claim 7, wherein the second background color is lighter than the first background color and increasing, by the computing device, the color contrast level between the background color of the at least one background element and the text color of the at least one text element comprises changing, by the computing device, the darker, first background color to the lighter, second background color.

9. The method of claim 7, wherein the second text color is darker than the first text color and increasing, by the computing device, the color contrast level between the background color of the at least one background element and the text color of the at least one text element comprises changing, by the computing device, the lighter, first text color to the darker, second text color.

10. A system comprising:

one or more processors in communication with a display; and

at least one memory in communication with the one or more processors and configured for storing data and instructions that, when executed by the one or more processors, cause the system to;

determine a first brightness level associated with an output for presentation on the display including at least one background element with a corresponding background color and at least one text element with a corresponding text color;

determine a first contrast level associated with the output for presentation on the display; and

responsive to detecting a change from the first brightness level to a second brightness level, change the first contrast level to a second contrast level,

wherein changing, by the computing device, the first contrast level to the second contrast level comprises at least one of;

changing, by the computing device, the background color of the at least one background element from a first background color to a second background color; and

changing, by the computing device, the text color of the at least one text element from a first text color to a second text color.

11. The system of claim 10, further comprising an ambient light sensor communicatively coupled to the one or more processors and configured to detect ambient light conditions associated with the output for presentation on the display.

12. The system of claim 10, wherein detecting, by the computing device, a change from the first brightness level to the second brightness level comprises detecting, by the computing device, a change in power usage of the computing device.

13. The system of claim 10, wherein changing, by the computing device, the background color of the at least one background element comprises changing, by the computing device, at least one color component value associated with the background color of the at least one background element.

14. The system of claim 10, wherein changing, by the computing device, the text color of the at least one text element comprises changing, by the computing device, at least one color component value associated with the text color of the at least one text element.

15. The system of claim 10, wherein changing, by the computing device, at least one of the background color of the at least one background color element and the text color of the at least one text element comprises, responsive to detecting, by the computing device, that the second brightness level is lower than the first brightness level, increasing, by the computing device, a color contrast level between the background color of the at least one background element and the text color of the at least one text element.

16. The system of claim 15, wherein the second background color is lighter than the first background color and increasing, by the computing device, the color contrast level between the background color of the at least one background element and the text color of the at least one text element comprises changing, by the computing device, the darker, first background color to the lighter, second background color.

17. The system of claim 15, wherein the second text color is darker than the first text color and increasing, by the computing device, the color contrast level between the background color of the at least one background element and the text color of the at least one text element comprises changing, by the computing device, the lighter, first text color to the darker, second text color.

18. A non-transitory computer-readable medium that stores instructions that, when executed by at least one processor in a system, cause the system to perform a method comprising:

determining, by a computing device, a first brightness level associated with an output for presentation on a display including at least one background element with a corresponding background color and at least one text element with a corresponding text color;

determining, by the computing device, a first contrast level associated with the output for presentation on the display; and

responsive to detecting, by the computing device, a change from the first brightness level to a second brightness level, changing, by the computing device, the first contrast level to a second contrast level,

wherein changing, by the computing device, the first contrast level to the second contrast level includes at least one of;

changing, by the computing device, the background color of the at least one background element from a first background color to a second background color; and

changing, by the computing device, the text color of the at least one text element from a first text color to a second text color.