US 11,974,464 B2
Driving backplane, display panel and display apparatus
Xuehuan Feng, Beijing (CN); and Yongqian Li, Beijing (CN)
Assigned to Hefei BOE Joint Technology Co., Ltd., Anhui (CN); and BOE TECHNOLOGY GROUP CO. LTD., Beijing (CN)
Appl. No. 17/788,840
Filed by Hefei BOE Joint Technology Co.,Ltd., Anhui (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Feb. 18, 2021, PCT No. PCT/CN2021/076763
§ 371(c)(1), (2) Date Jun. 24, 2022,
PCT Pub. No. WO2022/174376, PCT Pub. Date Aug. 25, 2022.
Prior Publication US 2023/0345763 A1, Oct. 26, 2023
Int. Cl. H01L 27/32 (2006.01); G09G 3/3233 (2016.01); G09G 3/3266 (2016.01); H10K 59/121 (2023.01); H10K 59/131 (2023.01)
CPC H10K 59/1213 (2023.02) [G09G 3/3233 (2013.01); G09G 3/3266 (2013.01); H10K 59/131 (2023.02); G09G 2300/0465 (2013.01); G09G 2300/0842 (2013.01); G09G 2310/0286 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A driving backplane, comprising:
a base substrate;
a plurality of data lines, and a first gate line and a second gate line that are adjacent, all of which are disposed on the base substrate; and
a plurality of pixel driving circuits disposed on the base substrate, each pixel driving circuit including a first transistor, the first transistor including an active layer, the active layer including an active portion, a first conductive portion and a second conductive portion;
active layers of first transistors in the plurality of pixel driving circuits further including first contact portions; the plurality of pixel driving circuits including a first pixel driving circuit coupled to a data line of the plurality of data lines and the first gate line, and a second pixel driving circuit coupled to the data line of the plurality of data lines and the second gate line,
wherein a first conductive portion of a first transistor included in the first pixel driving circuit and a first conductive portion of a first transistor included in the second pixel driving circuit are in contact through a first contact portion of the first contact portions, and are coupled to the data line of the plurality of data lines through the first contact portion.