US 11,856,826 B2
Display device
Tetsuhiro Tanaka, Hwaseong-si (KR); Yeong-Gyu Kim, Seoul (KR); Kiseong Seo, Seoul (KR); Jonghyun Yun, Suwon-si (KR); and Seunghyun Lee, Asan-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-Si (KR)
Filed on Jun. 2, 2021, as Appl. No. 17/336,365.
Claims priority of application No. 10-2020-0068417 (KR), filed on Jun. 5, 2020.
Prior Publication US 2021/0384282 A1, Dec. 9, 2021
Int. Cl. H10K 59/121 (2023.01); H10K 59/131 (2023.01); H01L 27/12 (2006.01)
CPC H10K 59/131 (2023.02) [H10K 59/1213 (2023.02); H10K 59/1216 (2023.02); H01L 27/1214 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A display device comprising:
a first active layer disposed on a substrate;
a scan line disposed on the first active layer;
a lower gate electrode disposed on the scan line;
a second active layer disposed on the lower gate electrode, the second active layer including an oxide semiconductor pattern that includes a channel overlapping the lower gate electrode and a low-resistance part formed on a side portion of the channel;
a metal pattern disposed on at least one surface of the low-resistance part; and
an upper gate electrode disposed on the second active layer to overlap the channel,
wherein the low-resistance part is electrically connected to the first active layer.