US 11,991,919 B2
Display device
Tae Woong Kim, Yongin-si (KR); Hyun Woo Koo, Hwaseong-si (KR); and Young Gug Seol, Hwaseong-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Mar. 6, 2023, as Appl. No. 18/179,338.
Application 18/179,338 is a continuation of application No. 17/244,886, filed on Apr. 29, 2021, granted, now 11,600,794.
Application 17/244,886 is a continuation of application No. 16/701,104, filed on Dec. 2, 2019, granted, now 10,998,513, issued on May 4, 2021.
Application 16/701,104 is a continuation of application No. 15/647,739, filed on Jul. 12, 2017, granted, now 10,497,886, issued on Dec. 3, 2019.
Application 15/647,739 is a continuation of application No. 15/256,298, filed on Sep. 2, 2016, granted, now 9,722,195, issued on Aug. 1, 2017.
Application 15/256,298 is a continuation of application No. 14/158,565, filed on Jan. 17, 2014, granted, now 9,437,830, issued on Sep. 6, 2016.
Claims priority of application No. 10-2013-0095579 (KR), filed on Aug. 12, 2013.
Prior Publication US 2023/0209985 A1, Jun. 29, 2023
Int. Cl. H10K 77/10 (2023.01); H01L 27/12 (2006.01); H05K 1/02 (2006.01); H10K 59/124 (2023.01); H10K 59/131 (2023.01); H10K 102/00 (2023.01)
CPC H10K 77/111 (2023.02) [H01L 27/1244 (2013.01); H10K 59/124 (2023.02); H10K 59/131 (2023.02); H05K 1/0277 (2013.01); H10K 2102/311 (2023.02); Y02E 10/549 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A display device, comprising:
a flexible substrate;
a first insulating layer on the flexible substrate;
a semiconductor layer on the first insulating layer;
a second insulating layer on the semiconductor layer;
a first conductive layer on the second insulating layer;
a third insulating layer covering the first conductive layer;
a second conductive layer on the third insulating layer; and
a fourth insulating layer covering the second conductive layer,
wherein the flexible substrate is configured to be bent in a first direction,
at least one of the first insulating layer, the second insulating layer, the third insulating layer, or the fourth insulating layer has a first opening extending in a second direction crossing the first direction,
the first opening is positioned at the first insulating layer, the second insulating layer, and the third insulating layer, and
the fourth insulating layer contacts the flexible substrate through the first opening.