US 11,929,386 B2
Display device and tiled display device including the same
Se Hoon Jeong, Suwon-si (KR); Seung Wook Kwon, Hwaseong-si (KR); Seo Yeon Lee, Namyangju-si (KR); Seung Gun Chae, Hwaseong-si (KR); Woo Yong Sung, Seoul (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 Jun. 16, 2021, as Appl. No. 17/349,495.
Claims priority of application No. 10-2020-0123599 (KR), filed on Sep. 24, 2020.
Prior Publication US 2022/0093677 A1, Mar. 24, 2022
Int. Cl. H01L 27/15 (2006.01); G09F 9/33 (2006.01); H01L 33/56 (2010.01); H01L 33/62 (2010.01)
CPC H01L 27/156 (2013.01) [G09F 9/33 (2013.01); H01L 33/56 (2013.01); H01L 33/62 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device, comprising:
a display layer including pixels each including at least one transistor;
a connection wiring electrically connected to the at least one transistor and exposed to a lower surface of the display layer through a first contact hole in the display layer;
a base member disposed under the display layer and including a first hole exposing the connection wiring exposed to the lower surface of the display layer;
a first lower protective layer disposed on a lower surface of the base member and including a second hole overlapping the first hole in a thickness direction of the base member;
a pad portion disposed on a lower surface of the first lower protective layer; and
a lead line disposed on the lower surface of the first lower protective layer and electrically connecting the pad portion and the connection wiring.