US 11,710,460 B2
Display device
Jung Kook Park, Yongin-si (KR); Dong Wan Park, Yongin-si (KR); and Do Hyun Kang, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Sep. 2, 2021, as Appl. No. 17/465,628.
Claims priority of application No. 10-2020-0111881 (KR), filed on Sep. 2, 2020.
Prior Publication US 2022/0068224 A1, Mar. 3, 2022
Int. Cl. G09G 3/3291 (2016.01); G09G 3/3266 (2016.01)
CPC G09G 3/3291 (2013.01) [G09G 3/3266 (2013.01); G09G 2320/0626 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device including at least a first luminance range and a second luminance range which includes a luminance different from the first luminance range, wherein in a boundary area of a second dimming range corresponding to the second luminance range and which is adjacent to a first dimming range corresponding to the first luminance range, a reference luminance emitted from a pixel is maintained as a first constant luminance value, an off-duty number, which is a total number of periods in which the pixel is turned off during one frame, is gradually increased by an emission control signal, and the total number is a natural number.