US 12,354,520 B2
Display panel, display device and method of controlling display panel
Na Wen, Beijing (CN); Jiabin Zou, Beijing (CN); Xiaofeng Yin, Beijing (CN); Yan Yan, Beijing (CN); Feng Li, Beijing (CN); Cuicui Zheng, Beijing (CN); and Qi Sang, Beijing (CN)
Assigned to BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., Beijing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 18/262,357
Filed by BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., Beijing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Aug. 23, 2022, PCT No. PCT/CN2022/114229
§ 371(c)(1), (2) Date Jul. 20, 2023,
PCT Pub. No. WO2024/040432, PCT Pub. Date Feb. 29, 2024.
Prior Publication US 2024/0404450 A1, Dec. 5, 2024
Int. Cl. G09G 3/20 (2006.01); G11C 19/28 (2006.01)
CPC G09G 3/2092 (2013.01) [G11C 19/28 (2013.01); G09G 2310/0267 (2013.01); G09G 2310/0286 (2013.01); G09G 2310/08 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A display panel, comprising:
a base substrate, the base substrate comprising a display region and a peripheral region surrounding the display region;
a plurality of sub-pixels located in the display region and arranged in a plurality of rows along a first direction;
a plurality of gate lines located in the display region, wherein the plurality of gate lines extend along the first direction and are arranged along a second direction intersecting with the first direction, and each gate line is connected to at least one row of sub-pixels;
a plurality of shift registers located in the peripheral region and configured to provide scanning signals; and
a plurality of auxiliary circuits located in the peripheral region, wherein a first end of at least one gate line is connected to at least one of the plurality of shift registers and configured to receive the scanning signal provided by the at least one of the plurality of shift registers, and a second end of the at least one gate line is connected to at least one of the plurality of auxiliary circuits, wherein a control terminal of each auxiliary circuit is configured to receive an auxiliary signal, an input terminal of each auxiliary circuit is configured to receive a reference signal, an output terminal of each auxiliary circuit is connected to the second end of a respective gate line, and each auxiliary circuit is configured to provide the reference signal at the input terminal of the auxiliary circuit to the output terminal of the auxiliary circuit under control of the auxiliary signal;
wherein:
the plurality of shift registers comprise a plurality of first shift registers, which are located on a first side of the display region along the first direction and are cascaded, and a plurality of second shift registers, which are located on the second side of the display region and are cascaded;
the plurality of auxiliary circuits comprise a plurality of first auxiliary circuits located on a second side of the display region opposite to the first side of the display region along the first direction, and a plurality of second auxiliary circuits located on the first side of the display region;
the at least one gate line comprises a plurality of first gate lines and a plurality of second gate lines alternated with the plurality of first gate lines, a first end of each first gate line is located on the first side of the display region and connected to a respective first shift register, a second end of each first gate line is located on the second side of the display region and connected to a respective first auxiliary circuit, a first end of each second gate line is located on the second side of the display region and connected to a respective second shift register, and a second end of each second gate line is located on the first side of the display region and connected to a respective second auxiliary circuit; and
a size of each first auxiliary circuit in the second direction is equal to a sum of sizes of two rows of sub-pixels in the second direction, and a size of each second auxiliary circuit in the second direction is equal to the sum of sizes of two rows of sub-pixels in the second direction.