US 12,314,521 B2
Touch display device
Jonghyun Han, Paju-si (KR); and YeonGyeong Bae, Paju-si (KR)
Assigned to LG Display Co., Ltd., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Feb. 21, 2024, as Appl. No. 18/583,471.
Application 18/583,471 is a division of application No. 17/530,259, filed on Nov. 18, 2021, granted, now 11,941,212.
Claims priority of application No. 10-2020-0161337 (KR), filed on Nov. 26, 2020.
Prior Publication US 2024/0192817 A1, Jun. 13, 2024
Int. Cl. G06F 3/044 (2006.01); G06F 3/041 (2006.01)
CPC G06F 3/0446 (2019.05) [G06F 3/0412 (2013.01); G06F 3/04164 (2019.05); G06F 2203/04112 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A touch display device, comprising:
a plurality of touch electrodes located in an active area of a display panel, and disposed on an encapsulation layer disposed in the active area;
a plurality of touch link lines located outside of the active area, each of which is electrically coupled to at least a corresponding one of the plurality of touch electrodes;
a plurality of pad lines, each of which is electrically coupled to a corresponding one of the plurality of touch link lines; and
a plurality of touch pads, each of which is electrically coupled to a corresponding one of the plurality of pad lines,
wherein the plurality of touch pads include:
a plurality of first touch pads located in a first area, each of which is electrically coupled to a corresponding one of a plurality of first pad lines among the plurality of pad lines; and
a plurality of second touch pads located in a second area located farther from a touch IC than the first area, each of the plurality of second touch pads being coupled to a corresponding one of a plurality of second pad lines among the plurality of pad lines,
wherein the plurality of first pad lines and the plurality of second pad lines are not exposed to outside of at least one insulating layer located in an area located outside of the active area,
wherein each of the plurality of second pad lines are at least partially disposed in a layer different from a layer where the plurality of second touch pads are disposed and different from a layer where the plurality of first pad lines are disposed.