US 11,875,720 B2
Display device
Gwang Teak Lee, Yongin-si (KR); and Tae Gon Im, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Jan. 4, 2023, as Appl. No. 18/093,031.
Claims priority of application No. 10-2022-0001762 (KR), filed on Jan. 5, 2022.
Prior Publication US 2023/0215326 A1, Jul. 6, 2023
Int. Cl. G09G 3/32 (2016.01); G09G 3/20 (2006.01); H01L 25/16 (2023.01); G09G 3/3233 (2016.01); H01L 33/32 (2010.01)
CPC G09G 3/2007 (2013.01) [G09G 3/32 (2013.01); G09G 3/3233 (2013.01); H01L 25/167 (2013.01); G09G 2300/0426 (2013.01); G09G 2300/0814 (2013.01); G09G 2300/0842 (2013.01); G09G 2320/0626 (2013.01); H01L 33/325 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a display panel including a pixel including a light emitting unit including at least one light emitting element; a driving transistor providing a driving current corresponding to a data signal to the light emitting unit; and a first transistor electrically connected between both ends of the light emitting unit; and
a driver that provides the data signal to the pixel and provides a duty control signal to the first transistor,
wherein the driver varies a voltage level of the data signal in a first grayscale section in which a grayscale corresponding to the data signal is greater than or equal to a reference grayscale, and varies a duty ratio of the duty control signal in a second grayscale section in which the grayscale is less than the reference grayscale.