Display and brightness adjusting method thereof

摘要

A display and a brightness adjusting method thereof are provided. In the method, an object located in front of a touch screen of the display is detected and a distance between the object and the touch screen is estimated and determined whether to be less than a first preset value. When the distance is less than the first preset value, the brightness of the touch screen is adjusted according to a light adjusting ratio in a brightness distribution curve. Then, time is accumulated after the brightness adjustment and when the accumulated time is over a second preset value, the brightness of the touch screen is resumed to original brightness.

主权项

1. A brightness adjusting method of a display, adapted for a display having a touch screen, at least two image capturing units respectively disposed at at least two corners of the touch screen and a processor, the method comprising:
sensing an object located in front of the touch screen and estimating a distance between the object and the touch screen, comprising: capturing at least two images comprising the object in front of the touch screen by the at least two image capturing units; and estimating the distance between the object and the touch screen according to positions of the object and the touch screen in the images by the processor; determining whether the distance is less than a first preset value by the processor; adjusting brightness of the touch screen according to a light adjusting ratio in a brightness distribution curve by the processor when the distance is less than the first preset value; and accumulating time after the brightness is adjusted, and restoring the brightness of the touch screen to original brightness by the processor when the time exceeds a second preset value.