US 11,810,496 B1
Display apparatus and image displaying method
Chin-An Lin, Hsinchu (TW); Yi-Han Tseng, Hsinchu (TW); Jia-Long Wu, Hsinchu (TW); Yi-Ting Hsu, Hsinchu (TW); and Kun-Cheng Tien, Hsinchu (TW)
Assigned to AUO Corporation, Hsinchu (TW)
Filed by AUO Corporation, Hsinchu (TW)
Filed on Dec. 2, 2022, as Appl. No. 18/073,563.
Claims priority of application No. 111128131 (TW), filed on Jul. 27, 2022.
Int. Cl. G09G 3/20 (2006.01)
CPC G09G 3/2074 (2013.01) [G09G 2320/0276 (2013.01); G09G 2320/0673 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display apparatus, comprising:
a display module; and
a driving circuit, coupled to the display module and receiving an input image, wherein the driving circuit determines a watermark area and a non-watermark area of the display module according to watermark information, and at least one of the watermark area and the non-watermark area is alternately driven by a first gamma curve and a second gamma curve, wherein a luminance difference percentage between the first gamma curve and the second gamma curve at a same grayscale value between 10% and 90% of a grayscale percentage is between 0.2 and 0.6.