US 12,431,059 B2
Gate driving circuit and display apparatus including the same
Kyungho Kim, Yongin-si (KR); Sang Yong No, Yongin-si (KR); and Gichang Lee, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Nov. 27, 2023, as Appl. No. 18/519,808.
Claims priority of application No. 10-2023-0035073 (KR), filed on Mar. 17, 2023.
Prior Publication US 2024/0312391 A1, Sep. 19, 2024
Int. Cl. G09G 3/20 (2006.01)
CPC G09G 3/2092 (2013.01) [G09G 2310/0267 (2013.01); G09G 2310/0275 (2013.01); G09G 2310/061 (2013.01); G09G 2310/08 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A gate driving circuit comprising:
a first pull up control circuit configured to control a voltage of a pull up control node in response to a previous carry signal which is one of carry signals of previous stages;
a pull down control circuit configured to control a voltage of a pull down control node in response to the voltage of the pull up control node;
a boosting circuit including a boosting capacitor and configured to boost the voltage of the pull up control node;
a gate output circuit configured to output a plurality of gate signals having different timings in response to the voltage of the pull up control node and the voltage of the pull down control node; and
a stabilizing circuit including a control electrode connected to a first end of the boosting capacitor, a first electrode configured to receive a first high power voltage and a second electrode connected to the first pull up control circuit,
wherein the pull up control node is connected to a second end of the boosting capacitor opposite to the first end.