US 12,080,248 B2
Display apparatus having an in-pixel gate driving circuit with plurality of normal and dummy stages
Dong Hee Shin, Asan-si (KR); Sunkwun Son, Suwon-si (KR); Nahyeon Cha, Yongin-si (KR); and Donghyeon Ki, Asan-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., Ltd., Yongin-Si (KR)
Filed on May 11, 2021, as Appl. No. 17/317,035.
Claims priority of application No. 10-2020-0104754 (KR), filed on Aug. 20, 2020.
Prior Publication US 2022/0059038 A1, Feb. 24, 2022
Int. Cl. G09G 3/3291 (2016.01)
CPC G09G 3/3291 (2013.01) [G09G 2310/0272 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display apparatus comprising:
a display panel which displays an image, wherein the display panel comprises a plurality of pixels;
a data driving circuit which applies a data voltage to a data line of the display panel, the data line extending in a pixel column direction; and
a gate driving circuit which applies a gate output signal to a gate line of the display panel, the gate line extending in a pixel row direction,
wherein the gate driving circuit is disposed between opening portions in a display area of the display panel, and
wherein the gate driving circuit comprises:
a normal stage column extending in the pixel column direction of the display panel and including a plurality of normal stages; and
a dummy stage column disposed adjacent to an end portion of the normal stage column in the pixel row direction and including a plurality of dummy stages, and
wherein a width of the normal stage column in the pixel column direction is greater than a width of the dummy stage column in the pixel column direction.