US 12,243,458 B2
Display panel using auxiliary driving units and electronic device
Chao Tian, Hubei (CN); Yanqing Guan, Hubei (CN); Guanghui Liu, Hubei (CN); and Fei Ai, Hubei (CN)
Assigned to WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Hubei (CN)
Appl. No. 17/596,876
Filed by WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Hubei (CN)
PCT Filed Dec. 14, 2021, PCT No. PCT/CN2021/137987
§ 371(c)(1), (2) Date Dec. 20, 2021,
PCT Pub. No. WO2023/097778, PCT Pub. Date Jun. 8, 2023.
Claims priority of application No. 202111458302.X (CN), filed on Dec. 2, 2021.
Prior Publication US 2024/0221564 A1, Jul. 4, 2024
Int. Cl. G09G 3/20 (2006.01); H01L 27/12 (2006.01)
CPC G09G 3/20 (2013.01) [H01L 27/124 (2013.01); G09G 2310/0281 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A display panel, comprising an active area and a non-active area arranged at a periphery of the active area, wherein the display panel further comprises:
a plurality of gate driving units, which are cascaded and arranged in the non-active area;
a plurality of first auxiliary driving units, which are cascaded and arranged in the non-active area;
a plurality of scan lines at least partially arranged in the active area; and
wherein the Nth stage gate driving unit is electrically connected to a first terminal of the Nth scan line, and an output terminal of the Nth stage first auxiliary driving unit is electrically connected to a second terminal of the Nth scan line, and an input terminal of the Nth stage first auxiliary driving unit is electrically connected to a driving source signal line, and a control terminal of the Nth stage first auxiliary driving unit is electrically connected to a (N+M)th scan line, and both N and M are positive integers;
wherein the display panel further comprises at least one set of second auxiliary driving units arranged in the active area, and each set of the second auxiliary driving units possesses a plurality of second auxiliary driving units, which are cascaded, and at least one connection node is provided between the first terminal and the second terminal of the Nth scan line;
wherein an output terminal of the Nth stage second auxiliary driving unit is electrically connected to the connection node of the Nth scan line, and an input terminal of the Nth stage second auxiliary driving unit is electrically connected to the driving source signal line, and a control terminal of the Nth stage second auxiliary driving unit is electrically connected to the (N+M)th scan line.