CPC G09G 3/3208 (2013.01) [G09G 2320/0257 (2013.01); G09G 2320/0626 (2013.01)] | 20 Claims |
1. A display device comprising:
a display panel including a correction area, in which a correction image including a logo image and a logo background image around the logo image is displayed; and
a panel driving block which receives an image signal and transmits a data signal to the display panel, and
wherein the panel driving block includes a luminance correction block which corrects a luminance of the correction image, and
wherein the luminance correction block includes:
a first correction block which divides the correction area into a plurality of sub-areas, based on a distance from the logo image and generates an area correction signal for correcting the luminance of the correction image displayed in each of the sub-areas, wherein the area correction signal includes a plurality of area correction values which are weights corresponding to the sub-areas, respectively, and each of the area correction values decreases as the distance of a corresponding sub area thereof from the logo image increases;
a second correction block which receives the image signal and the area correction signal, and generates a luminance correction signal for correcting the luminance of the correction image displayed in each of the sub-areas, based on a grayscale of the image signal and the area correction signal; and
a third correction block which corrects the luminance of the correction image, based on the image signal and the luminance correction signal.
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