US 12,488,730 B2
Display device and driving method thereof
Jeongsoo Han, Paju-si (KR); and Jinsol Choi, Paju-si (KR)
Assigned to LG Display Co., Ltd., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Nov. 15, 2023, as Appl. No. 18/509,867.
Claims priority of application No. 10-2023-0012673 (KR), filed on Jan. 31, 2023.
Prior Publication US 2024/0257706 A1, Aug. 1, 2024
Int. Cl. G09G 3/20 (2006.01); G09G 3/3233 (2016.01); G09G 3/3275 (2016.01)
CPC G09G 3/2096 (2013.01) [G09G 3/3233 (2013.01); G09G 3/3275 (2013.01); G09G 2300/0842 (2013.01); G09G 2310/0262 (2013.01); G09G 2310/0286 (2013.01); G09G 2310/0291 (2013.01); G09G 2310/0297 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/045 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A display device comprising:
a display panel comprising a sub-pixel;
a data driver comprising a driving circuitry configured to output a data voltage to the sub-pixel through a data line and a sensing circuitry configured to sense a characteristic of the sub-pixel; and
a timing controller configured to determine a first compensation value for video data based on the sensed characteristic of the sub-pixel,
wherein the timing controller senses a first output data voltage of the driving circuitry corresponding to a first compensated video data that is compensated with the first compensation value via the sensing circuitry, and corrects the first compensation value based on the sensed output data voltage,
wherein the data driver comprises:
a connection part configured to receive a control signal from the timing controller and to control a connection between an output terminal of the driving circuitry, the data line, and an input terminal of the sensing circuitry in response to the control signal, and
wherein the control signal is applied at a turn-on level to sense the first output data corresponding to the first compensation data and generate a second compensation value.