US 11,810,922 B2
Array substrate and display device
Jianbo Xian, Beijing (CN); Hongfei Cheng, Beijing (CN); Yong Qiao, Beijing (CN); and Yongda Ma, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Filed on Apr. 12, 2021, as Appl. No. 17/228,676.
Application 17/228,676 is a continuation of application No. 16/000,384, filed on Jun. 5, 2018, granted, now 11,004,873.
Claims priority of application No. 201710718273.3 (CN), filed on Aug. 21, 2017.
Prior Publication US 2021/0233936 A1, Jul. 29, 2021
Int. Cl. H01L 27/12 (2006.01); H01L 29/786 (2006.01); H01L 29/417 (2006.01); H01L 29/423 (2006.01); G02F 1/1368 (2006.01)
CPC H01L 27/124 (2013.01) [G02F 1/1368 (2013.01); H01L 29/41733 (2013.01); H01L 29/42384 (2013.01); H01L 29/786 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An array substrate comprising:
a base substrate; and
a first electrically conductive layer and a second electrically conductive layer on the base substrate,
wherein the base substrate is provided with at least one thin film transistor, each of the at least one thin film transistor comprises a gate electrode disposed in the first electrically conductive layer, and a source electrode and a drain electrode disposed in the second electrically conductive layer, and wherein the drain electrode has a comb shape and comprises a plurality of drain electrode sub-portions extending parallel to one another, and the source electrode has a comb shape and comprises a plurality of source electrode sub-portions extending parallel to one another,
wherein at least one of the drain electrode and the source electrode comprises an electrode body and an extending portion, the electrode body overlapping with the gate electrode, and the extending portion overlapping with a portion of the first electrically conductive layer other than the gate electrode, and
wherein the plurality of drain electrode sub-portions comprises a first drain electrode sub-portion and a second drain electrode sub-portion, the first drain electrode sub-portion comprises a first electrode body and a first extending portion, the second drain electrode sub-portion comprises a second electrode body and a second extending portion, each of the first electrode body and the second electrode body overlaps with the gate electrode, each of the first extending portion and the second extending portion overlaps with the portion of the first electrically conductive layer other than the gate electrode, and the first extending portion and the second extending portion extend in a same direction.