US 11,929,020 B2
Display device and method of driving display device
Changnoh Yoon, Seoul (KR); Sangan Kwon, Cheonan-si (KR); Soon-Dong Kim, Osan-si (KR); and Taehoon Kim, Hwaseong-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-Si (KR)
Filed on Dec. 20, 2022, as Appl. No. 18/084,559.
Claims priority of application No. 10-2022-0014134 (KR), filed on Feb. 3, 2022.
Prior Publication US 2023/0245619 A1, Aug. 3, 2023
Int. Cl. G09G 3/3208 (2016.01); G09G 3/3233 (2016.01); G09G 5/10 (2006.01)
CPC G09G 3/3208 (2013.01) [G09G 2300/0819 (2013.01); G09G 2300/0842 (2013.01); G09G 2310/0245 (2013.01); G09G 2310/0262 (2013.01); G09G 2310/027 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0686 (2013.01); G09G 2330/028 (2013.01); G09G 2360/16 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a display panel including a first display area and a second display area each including pixels;
a power supply unit configured to provide a first initialization voltage and a second initialization voltage to the display panel;
a voltage adjustment signal provider configured to provide a voltage adjustment signal to the power supply unit for applying an adjustment voltage to the second initialization voltage when the second display area is driven at a frequency lower than at least one of a predetermined frequency and a driving frequency of the first area; and
a data adjustment signal provider configured to provide a data adjustment signal for adjusting gray levels of some pixels included in the first display area when the adjustment voltage is applied to the second initialization voltage.