US 12,141,384 B2
Device for detecting and active input
Dong-Hoon Lee, Hwaseong-si (KR); Haemin Kim, Gumi-si (KR); Myunghoon Park, Suwon-si (KR); Byungchang Yu, Seosan-si (KR); and Kyunghoon Chung, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Nov. 15, 2022, as Appl. No. 18/055,818.
Claims priority of application No. 10-2022-0010490 (KR), filed on Jan. 25, 2022.
Prior Publication US 2023/0236686 A1, Jul. 27, 2023
Int. Cl. G06F 3/041 (2006.01); G06F 3/044 (2006.01); G09G 3/32 (2016.01); H10K 50/844 (2023.01); H10K 59/121 (2023.01); H10K 59/131 (2023.01); H10K 59/40 (2023.01)
CPC G06F 3/0412 (2013.01) [G06F 3/04162 (2019.05); G06F 3/044 (2013.01); G09G 3/32 (2013.01); H10K 50/844 (2023.02); H10K 59/1213 (2023.02); H10K 59/131 (2023.02); H10K 59/40 (2023.02); G06F 2203/04101 (2013.01); G06F 2203/04103 (2013.01); G06F 2203/04111 (2013.01); G09G 2300/0408 (2013.01); G09G 2300/0819 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A display device, comprising:
a base layer having an active area and a peripheral area proximate to the active area;
a circuit element layer disposed on the base layer and including a pixel transistor;
a display element layer disposed on the circuit element layer and comprising a light emitting element electrically connected to the pixel transistor;
a thin film encapsulation layer disposed on the display element layer;
a plurality of insulation layers disposed on the thin film encapsulation layer;
a first sensing electrode disposed on the thin film encapsulation layer, extending in a first direction, and disposed on the active area;
a second sensing electrode disposed on the thin film encapsulation layer, extending in a second direction crossing the first direction, and disposed on the active area;
a first signal line electrically connected to a first terminal of the first sensing electrode;
a second signal line electrically connected to a first terminal of the second sensing electrode;
a first line at least partially overlapping the first sensing electrode in the active area and extending in the first direction in the active area;
a second line at least partially overlapping the second sensing electrode in the active area and extending in the second direction in the active area;
a first switching element defining a first current path in the first sensing electrode and the first line or blocking the first current path; and
a second switching element defining a second current path in the second sensing electrode and the second line or blocking the second current path.