US 11,817,031 B2
Display device and method of operating the same
Jinho Lee, Hwaseong-si (KR); Sungjae Park, Seongnam-si (KR); Seunghwan Park, Anyang-si (KR); Youngwoon Choi, Seoul (KR); Seungho Park, Suwon-si (KR); Kyoungho Lim, Hwaseong-si (KR); and Namjae Lim, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-do (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Sep. 8, 2022, as Appl. No. 17/940,429.
Claims priority of application No. 10-2021-0160682 (KR), filed on Nov. 19, 2021.
Prior Publication US 2023/0162644 A1, May 25, 2023
Int. Cl. G09G 3/20 (2006.01); G09G 3/3225 (2016.01); G09G 3/3275 (2016.01); G09G 3/36 (2006.01)
CPC G09G 3/2044 (2013.01) [G09G 3/2051 (2013.01); G09G 3/2055 (2013.01); G09G 3/3225 (2013.01); G09G 3/3275 (2013.01); G09G 3/3685 (2013.01); G09G 2310/027 (2013.01); G09G 2310/0278 (2013.01); G09G 2320/0247 (2013.01); G09G 2320/0271 (2013.01); G09G 2340/0435 (2013.01); G09G 2360/16 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a display panel including a plurality of pixels connected to a plurality of scan lines and a plurality of data lines, respectively;
a scan driver, which provides a scan signal to the pixels through the scan lines;
a data driver, which provides a data voltage to the pixels through the data lines; and
a controller, which controls the scan driver and the data driver,
receives input image data at a variable input frame frequency,
determines whether a gray scale value of the input image data is included in any range of a first gray scale range and a second gray scale range different from the first gray scale range, and
dithers the input image data when it is determined that the gray scale value of the input image data is included the first gray scale range.