US 11,740,720 B2
Touch display device
YongChan Park, Seoul (KR); and JuHong Kim, Gyeonggi-do (KR)
Assigned to LG Display Co., Ltd., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Aug. 24, 2022, as Appl. No. 17/894,851.
Claims priority of application No. 10-2021-0129791 (KR), filed on Sep. 30, 2021.
Prior Publication US 2023/0094749 A1, Mar. 30, 2023
Int. Cl. G06F 3/041 (2006.01); G06F 3/044 (2006.01)
CPC G06F 3/0412 (2013.01) [G06F 3/04164 (2019.05); G06F 3/0443 (2019.05); G06F 2203/04107 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A touch display device, comprising:
a display cathode electrode to which a display cathode voltage is applied;
a first touch cathode electrode disposed in a same layer as the display cathode electrode and adjacent to the display cathode electrode;
a first touch line electrically connected with a touch driving circuit;
a first touch bridge electrically connected with the first touch line;
a second touch cathode electrode disposed in a same layer as the display cathode electrode and adjacent to the display cathode electrode;
a second touch line electrically connected with the touch driving circuit; and
a second touch bridge electrically connected with the second touch line,
wherein the first touch cathode electrode is electrically separated from the display cathode electrode, wherein the first touch bridge is electrically connected with the first touch cathode electrode, wherein the first touch line and the first touch cathode electrode are electrically connected with each other through the first touch bridge, and
wherein the second touch cathode electrode is electrically shorted with the display cathode electrode, wherein the second touch bridge is electrically separated from the second touch cathode electrode, and wherein the second touch line and the second touch cathode electrode are electrically separated from each other.