US 12,386,470 B2
Touch sensor and display device including the same
Su Yul Seo, Yongin-si (KR); Yu Jin Choi, Yongin-si (KR); Yeon Ju Kang, Yongin-si (KR); Ki Hyuk Kim, Yongin-si (KR); and Gyeong Nam Bang, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Dec. 27, 2023, as Appl. No. 18/398,014.
Application 18/398,014 is a continuation of application No. 17/666,479, filed on Feb. 7, 2022, granted, now 11,861,123.
Application 17/666,479 is a continuation of application No. 15/852,422, filed on Dec. 22, 2017, granted, now 11,243,647, issued on Feb. 8, 2022.
Claims priority of application No. 10-2016-0179510 (KR), filed on Dec. 26, 2016.
Prior Publication US 2024/0231551 A1, Jul. 11, 2024
Int. Cl. G06F 3/041 (2006.01); G06F 3/044 (2006.01); H10D 86/60 (2025.01); H10K 59/121 (2023.01); H10K 59/123 (2023.01); H10K 59/131 (2023.01); H10K 59/40 (2023.01); H10D 86/40 (2025.01)
CPC G06F 3/0446 (2019.05) [G06F 3/0412 (2013.01); G06F 3/04164 (2019.05); G06F 3/0443 (2019.05); H10K 59/1213 (2023.02); H10K 59/123 (2023.02); H10K 59/131 (2023.02); H10K 59/40 (2023.02); G06F 2203/04103 (2013.01); G06F 2203/04111 (2013.01); G06F 2203/04112 (2013.01); H10D 86/441 (2025.01); H10D 86/60 (2025.01)] 6 Claims
OG exemplary drawing
 
1. A display device comprising:
a first substrate;
a transistor on the first substrate;
a light emitting device connected to the transistor;
a power line connected to the transistor and the light emitting device;
an encapsulation layer covering the light emitting device; and
a sensor on the encapsulation layer,
wherein the sensor comprises:
sensing electrodes; and
sensing lines connected to the sensing electrodes,
wherein widths of the sensing lines are different from one another,
wherein the light emitting device comprises:
a first electrode connected to the transistor;
an emitting layer on the first electrode; and
a second electrode on the emitting layer,
wherein, in a direction normal to a surface of the first substrate, the second electrode overlaps all portions of the sensing lines extending along an edge of the display device in an extending direction of a side of the display device such that the second electrode prevents voltages applied to the transistor from interfering with the sensing lines,
wherein the sensing electrodes are disposed in a sensing region,
wherein the widths increase with increasing distance from the sensing region,
wherein each of the sensing lines is formed as a multilayer structure,
wherein the multilayer structure comprises:
a first conductive layer; and
a second conductive layer disposed on the first conductive layer with an insulating layer therebetween,
wherein the second conductive layer is connected to the first conductive layer via a contact hole among contact holes of the insulating layer, and
wherein sizes of the contact holes corresponding to the sensing lines increase with increasing distance from the sensing region.