System and method for achieving optimal display contrast in...

Details System and method for achieving optimal display contrast in... System and method for achieving optimal display contrast in...

G - Physics

09

G

G09G 3/36 (2006.01) H04N 5/57 (2006.01) H04Q 7/00 (2006.01)

Patent

CA 2363249

A system and method for achieving optimal display contrast in a mobile communication device is provided. The system includes a memory device, a processor, a display driver, and a display. A user contrast setting is stored in the memory device, wherein the user contrast setting is selected from a range of user contrast settings. The processor includes an operating system that is configured to retrieve the user contrast setting from the memory device, convert the user contrast setting into a hardware contrast setting, and save the hardware contrast setting to a memory location. The display driver retrieves the hardware contrast setting from the memory location and generates a contrast control voltage as a function of the hardware contrast setting. The display is coupled to the contrast control voltage and has a variable contrast ratio, wherein the variable contrast ratio of the display is controlled by the contrast control voltage.

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