US 12,446,399 B2
Display substrate for display device setting transition region between high pixel per inch region and low pixel per inch region
Long Han, Beijing (CN); Pinfan Wang, Beijing (CN); Fangxu Cao, Beijing (CN); Wenqiang Li, Beijing (CN); and Libin Liu, Beijing (CN)
Assigned to BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., Beijing (CN)
Appl. No. 17/615,489
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Feb. 3, 2021, PCT No. PCT/CN2021/074979
§ 371(c)(1), (2) Date Nov. 30, 2021,
PCT Pub. No. WO2022/165658, PCT Pub. Date Aug. 11, 2022.
Prior Publication US 2023/0169900 A1, Jun. 1, 2023
Int. Cl. H10K 59/121 (2023.01); G09G 3/00 (2006.01); G09G 3/3233 (2016.01); G09G 3/3266 (2016.01); H10K 59/131 (2023.01)
CPC H10K 59/121 (2023.02) [G09G 3/035 (2020.08); G09G 3/3233 (2013.01); G09G 3/3266 (2013.01); H10K 59/131 (2023.02); G09G 2300/0408 (2013.01); G09G 2300/0426 (2013.01); G09G 2300/0439 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0842 (2013.01); G09G 2300/0861 (2013.01); G09G 2310/0286 (2013.01); G09G 2320/0233 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A display substrate, comprising:
a first display region;
a second display region, located on at least one side of the first display region in a first direction; and
a transition region, located between the first display region and the second display region,
wherein the first display region, the second display region and the transition region are provided with a plurality of pixels, the plurality of pixels are arranged in an array in the first direction and a second direction intersecting with the first direction, a pixel per inch (PPI) of the first display region is greater than a PPI of the second display region and a PPI of the transition region,
the transition region comprises a row driving circuit, the row driving circuit comprises a gate driving circuit, the row driving circuit is configured to drive the plurality of pixels in the first display region, the second display region and the transition region in a row sequence,
the row driving circuit comprises a plurality of row driving circuit units arranged in the second direction, each of the plurality of pixels comprises a plurality of sub-pixels, each of the plurality sub-pixels comprises an independent pixel driving circuit and a driving electrode electrically connected with the pixel driving circuit, and the transition region comprises:
a plurality of pixel circuit islands, each of the plurality of pixel circuit islands being provided with a plurality of pixel driving circuits of at least one of the plurality of pixels;
a plurality of first spacing regions, each of the plurality of first spacing regions being located between two pixel circuit islands adjacent in the first direction; and
at least one driving spacing region, each of the at least one driving spacing region being also located between two pixel circuit islands adjacent in the first direction, the driving spacing region is provided with the row driving circuit unit,
the transition region further comprises:
a plurality of driving electrode islands, arranged corresponding to the plurality of pixel circuit islands, each of the plurality of driving electrode islands being provided with a plurality of driving electrodes of at least one of the plurality of pixels; and
a plurality of second spacing regions, each of the plurality of second spacing regions being located between two driving electrode islands adjacent in the first direction,
the plurality of first spacing regions have equal widths in the first direction, the plurality of second spacing regions have equal widths in the first direction, and a width of each of the plurality of first spacing regions in the first direction is less than a width of each of the at least one driving spacing region in the first direction.