US 11,669,196 B2
Foldable display device having a touch sensor in a foldable area
Ja Seung Ku, Seoul (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Feb. 28, 2022, as Appl. No. 17/682,728.
Application 17/682,728 is a continuation of application No. 17/099,641, filed on Nov. 16, 2020, granted, now 11,262,866.
Claims priority of application No. 10-2020-0038841 (KR), filed on Mar. 31, 2020.
Prior Publication US 2022/0179539 A1, Jun. 9, 2022
Int. Cl. G06F 3/041 (2006.01); G06F 3/044 (2006.01); H01L 27/32 (2006.01); H01L 51/00 (2006.01)
CPC G06F 3/04164 (2019.05) [G06F 3/0443 (2019.05); G06F 3/0446 (2019.05); H01L 27/323 (2013.01); H01L 27/3244 (2013.01); H01L 51/0097 (2013.01); G06F 2203/04102 (2013.01); G06F 2203/04111 (2013.01); H01L 2251/5338 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device, comprising:
a first base layer foldable along a folding axis and comprising a display area including a first display area disposed on one side of the folding axis, a second display area disposed on another side of the folding axis, and a third display area through which the folding axis passes;
a plurality of first sensing electrodes and a plurality of second sensing electrodes disposed in each of the first display area, the second display area, and the third display area on the first base layer;
a first sensing line connected to the plurality of second sensing electrodes disposed at a first end of the first display area;
a second sensing line connected to the plurality of second sensing electrodes disposed at a second end of the second display area;
a first driving line disposed at a third end adjacent to the first end of the first display area and connected to the plurality of first sensing electrodes disposed on the one side of the folding axis;
a second driving line disposed at a fourth end adjacent to the second end of the second display area and connected to the plurality of first sensing electrodes disposed on the another side of the folding axis; and
a metal line overlapping the folding axis and extending across the third display area, and being connected to a ground pad unit disposed at one side of the first base layer,
wherein each of the plurality of first sensing electrodes and each of the plurality of second sensing electrodes are spaced apart from each other based on the folding axis interposed therebetween.