Patent ID: 8289304
Filing Date: 2012-10-16
Classification: G09G

Abstract:
1. A display device for receiving and displaying an image signal, the display device comprising: a display screen; a light sensor installed near the display screen for detecting an ambient luminance; a light information determining unit for calculating a first luminance adjusting value according to the ambient luminance; an image analysis unit for analyzing the image signal to obtain a color level value; a luminance determining unit for calculating a second luminance adjusting value according to the color level value, and determining a final luminance adjusting value according to the first luminance adjusting value and the second luminance adjusting value; and a control unit for adjusting the luminance of the display screen according to the final luminance adjusting value; wherein the final luminance adjusting value is obtained with the following equation: where L is the final luminance adjusting value, L wherein the first luminance adjusting value L where Le is the ambient luminance, Le