US 12,340,745 B2
Display device
Jin-Wook Yang, Yongin-si (KR); Donggyu Lee, Yongin-si (KR); Jae-Hyeon Jeon, Yongin-si (KR); and Yu-Chol Kim, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Dec. 21, 2023, as Appl. No. 18/391,894.
Claims priority of application No. 10-2023-0070886 (KR), filed on Jun. 1, 2023.
Prior Publication US 2024/0404464 A1, Dec. 5, 2024
Int. Cl. G09G 3/20 (2006.01); G09G 3/3233 (2016.01); G09G 3/3258 (2016.01)
CPC G09G 3/3233 (2013.01) [G09G 3/2007 (2013.01); G09G 3/3258 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0852 (2013.01); G09G 2300/0861 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/045 (2013.01); G09G 2330/021 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A electronic device comprising:
a display device including: a display panel including a pixel; and a panel driver configured to provide a reference voltage and a data voltage to the pixel,
wherein the pixel emits light with a luminance corresponding to a difference between the reference voltage and the data voltage, and
when the reference voltage changes, and a range of the data voltage is shifted by a voltage level that corresponds to the amount of change in the reference voltage,
wherein the pixel includes:
a storage capacitor including a first electrode connected to a first node, and a second electrode connected to a second node;
a first transistor including a gate connected to the second node; and
a light emitting element,
wherein, in a compensation period, the reference voltage is applied to the first node, and a voltage of the second node becomes a voltage obtained by subtracting a threshold voltage of the first transistor from a power supply voltage,
wherein, in a data writing period, the data voltage is applied to the first node, and the voltage of the second node is changed by the difference between the reference voltage and the data voltage, and
wherein, in an emission period, the power supply voltage is applied to a source of the first transistor, and a source-gate voltage of the first transistor corresponds to the reference voltage minus the data voltage plus the threshold voltage.