US 12,094,394 B2
Gate driver and display apparatus including the same
Hai-Jung In, Seoul (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. 18/084,591.
Claims priority of application No. 10-2022-0052979 (KR), filed on Apr. 28, 2022.
Prior Publication US 2023/0351941 A1, Nov. 2, 2023
Int. Cl. G09G 3/20 (2006.01); G11C 19/28 (2006.01)
CPC G09G 3/2096 (2013.01) [G09G 2310/0275 (2013.01); G09G 2310/0286 (2013.01); G09G 2310/0291 (2013.01); G09G 2310/08 (2013.01); G11C 19/28 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A gate driver comprising:
a carry signal generating circuit configured to receive a vertical start signal and output a first carry signal and a second carry signal; and
a shift register circuit configured to receive the first carry signal and the second carry signal and output a first stage first carry signal, a first stage second carry signal and a first stage gate output signal,
wherein the carry signal generating circuit comprises a first carry generator configured to generate the first carry signal and a second carry generator configured to generate the second carry signal,
wherein the shift register circuit comprises a first stage first carry generator configured to generate the first stage first carry signal, a first stage second carry generator configured to generate the first stage second carry signal and a first stage output buffer configured to output the first stage gate output signal, and
wherein the second carry generator comprises:
a seventh transistor including a control electrode connected to a third node, an input electrode configured to receive a second clock signal and an output electrode connected to a second carry output terminal,
an eleventh transistor including a control electrode configured to receive a low power voltage, an input electrode connected to a first node and an output electrode connected to the third node, and
a second capacitor including a first end connected to the third node and a second end connected to the second carry output terminal.