US 12,153,768 B2
Transparent display device
JeongGi Yun, Paju-si (KR); Taehwan Kim, Paju-si (KR); and Jonghan Park, Paju-si (KR)
Assigned to LG Display Co., Ltd., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Nov. 22, 2022, as Appl. No. 18/058,238.
Claims priority of application No. 10-2021-0177813 (KR), filed on Dec. 13, 2021.
Prior Publication US 2023/0185415 A1, Jun. 15, 2023
Int. Cl. G06F 3/044 (2006.01); G06F 3/041 (2006.01); H10K 59/12 (2023.01); H10K 59/40 (2023.01)
CPC G06F 3/0446 (2019.05) [G06F 3/0412 (2013.01); G06F 3/04164 (2019.05); H10K 59/40 (2023.02); G06F 2203/04107 (2013.01); G06F 2203/04111 (2013.01); H10K 59/12 (2023.02)] 26 Claims
OG exemplary drawing
 
1. A transparent display device, comprising:
a substrate including a transmission area and a non-transmission area, the non-transmission area including a light emission area in which a light emitting element is disposed;
a touch sensor disposed over the transmission area of the substrate;
a touch sensor line disposed over the non-transmission area of the substrate and extended in a first direction;
a touch sensor connection line extending in a second direction;
a touch sensor contact portion disposed in the transmission area and configured to electrically connect the touch sensor and the touch sensor connection line to each other; and
a touch sensor bridge pattern disposed between the touch sensor contact portion and the touch sensor connection line,
wherein the touch sensor contact portion includes an undercut region which exposes at least a portion of the touch sensor contact portion, wherein the undercut region is provided over the touch sensor contact portion, and
wherein the touch sensor is in direct contact with the touch sensor contact portion exposed by the undercut region.