Patent ID: 9406263
Filing Date: 2016-08-02
CPC Classification: G09G

Claim Text:
1. A method of processing a display signal, wherein the method is applicable to a 3-dimensional (3D) display device, and the method comprises: obtaining the average of grayscales of at least one display zone in a previous frame of image and the average of grayscales of at least one display zone in a current frame of image, wherein a frame of image is divided into a plurality of display zones, and each one of the plurality of display zones includes at least one pixel; and wherein the previous frame of image and the current frame of image are a left-eye image and a right-eye image respectively; comparing in magnitude the average of grayscales of at least one display zone in the current frame of image with the average of grayscales of the corresponding display zone in the previous frame of image; and outputting a backlight control value to increase the brightness of an illuminating element corresponding to the display zone when the average of grayscales of the at least one display zone in the current frame of image is larger than the average of grayscales of the corresponding display zone in the previous frame of image, and outputting a backlight control value to reduce the brightness of the illuminating element corresponding to the display zone when the average of grayscales of the at least one display zone in the current frame of image is smaller than the average of grayscales of the corresponding display zone in the previous frame of image.