US 12,148,767 B2
Display device and tiled display device including the same
Se Hoon Jeong, Suwon-si (KR); Seung Wook Kwon, Hwaseong-si (KR); Jae Sik Kim, Hwaseong-si (KR); Woo Yong Sung, Seoul (KR); Seo Yeon Lee, Namyangju-si (KR); Ung Soo Lee, Seoul (KR); Ja Min Lee, Seoul (KR); Jeong Seok Lee, Yongin-si (KR); Seung Gun Chae, Hwaseong-si (KR); and Seung Yeon Chae, Hwaseong-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Aug. 12, 2021, as Appl. No. 17/400,792.
Claims priority of application No. 10-2020-0112715 (KR), filed on Sep. 4, 2020.
Prior Publication US 2022/0077195 A1, Mar. 10, 2022
Int. Cl. H01L 27/12 (2006.01); G02F 1/1333 (2006.01); G02F 1/1362 (2006.01); H01L 25/16 (2023.01)
CPC H01L 27/1266 (2013.01) [G02F 1/13336 (2013.01); G02F 1/136209 (2013.01); H01L 25/162 (2013.01); H01L 25/167 (2013.01); H01L 27/124 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A display device comprising:
a display layer comprising a plurality of pixels, each of the plurality of pixels having at least one thin-film transistor;
a connection line electrically connected to the at least one thin-film transistor, the connection line being exposed on a lower surface of the display layer through a first contact hole formed in the display layer;
a barrier layer disposed on the lower surface of the display layer and including a second contact hole connected to the first contact hole;
a lead line disposed on a lower surface of the barrier layer and electrically connected to the connection line through the second contact hole;
a pad part disposed on the lower surface of the barrier layer and electrically connected to the lead line, the pad part and the lead line being directly disposed on a same lower surface of a same layer; and
a lower film overlapping the lower surface of the barrier layer and the lead line.