US 12,449,922 B2
Light emitting display device with integrated touch screen
YeonGyeong Bae, Goyang-si (KR); and Jonghyun Han, Seoul (KR)
Assigned to LG Display Co., Ltd., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Oct. 4, 2024, as Appl. No. 18/906,449.
Application 18/906,449 is a continuation of application No. 18/500,649, filed on Nov. 2, 2023, granted, now 12,141,385.
Application 18/500,649 is a continuation of application No. 18/450,675, filed on Aug. 16, 2023, granted, now 12,189,878.
Application 18/450,675 is a continuation of application No. 17/872,666, filed on Jul. 25, 2022, granted, now 11,762,491, issued on Sep. 19, 2023.
Application 17/872,666 is a continuation of application No. 17/362,202, filed on Jun. 29, 2021, granted, now 11,429,219, issued on Aug. 30, 2022.
Claims priority of application No. 10-2020-0080468 (KR), filed on Jun. 30, 2020.
Prior Publication US 2025/0028405 A1, Jan. 23, 2025
Int. Cl. G06F 3/041 (2006.01); G06F 3/044 (2006.01); H10K 50/84 (2023.01); H10K 50/844 (2023.01); H10K 59/121 (2023.01); H10K 59/122 (2023.01); H10K 59/40 (2023.01); H10K 59/80 (2023.01)
CPC G06F 3/0412 (2013.01) [G06F 3/0445 (2019.05); H10K 50/844 (2023.02); H10K 50/846 (2023.02); H10K 59/121 (2023.02); H10K 59/122 (2023.02); H10K 59/40 (2023.02); H10K 59/873 (2023.02)] 30 Claims
OG exemplary drawing
 
1. A display device, comprising:
a flexible substrate including a first area that displays an image and a second area that includes an opening area and a boundary area that surrounds the opening area;
at least one dam on the flexible substrate, the at least one dam in the boundary area of the second area;
an encapsulation unit on the flexible substrate, the encapsulation unit including an inorganic layer and an organic layer;
a plurality of touch electrodes on the encapsulation unit, the plurality of touch electrodes arranged in a mesh;
a plurality of touch routing lines that are connected to the plurality of touch electrodes;
a touch buffer layer between the encapsulation unit and the plurality of touch electrodes, the touch buffer layer extending to the boundary area of the second area;
a first touch planarization layer on the encapsulation unit, the first touch planarization layer overlapping a portion of the at least one dam in the boundary area;
a touch insulating layer on the first touch planarization layer, the touch insulating layer extending to the boundary area of the second area; and
a second touch planarization layer on at least a portion of the first touch planarization layer.