US 12,273,673 B2
Display device
Young Seok Seo, Seoul (KR); Jung Hun Noh, Yongin-si (KR); Seung Lyong Bok, Hwaseong-si (KR); Yi Joon Ahn, Seoul (KR); Sun Mi Yu, Seoul (KR); and Jin Oh Kwag, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Aug. 17, 2023, as Appl. No. 18/451,271.
Application 18/451,271 is a continuation of application No. 17/855,209, filed on Jun. 30, 2022, granted, now 11,736,843.
Application 17/855,209 is a continuation of application No. 17/070,527, filed on Oct. 14, 2020, granted, now 11,381,895, issued on Jul. 5, 2022.
Claims priority of application No. 10-2019-0129531 (KR), filed on Oct. 18, 2019.
Prior Publication US 2023/0412956 A1, Dec. 21, 2023
Int. Cl. G06F 3/044 (2006.01); G06F 3/041 (2006.01); H04R 1/02 (2006.01); H04R 3/00 (2006.01); H10K 50/87 (2023.01); H10K 59/12 (2023.01); H10K 59/40 (2023.01); H10K 59/65 (2023.01); G06V 40/13 (2022.01); G09G 3/3233 (2016.01); G09G 3/3266 (2016.01)
CPC H04R 1/028 (2013.01) [G06F 3/0412 (2013.01); G06F 3/0446 (2019.05); H04R 3/00 (2013.01); H10K 50/87 (2023.02); H10K 59/12 (2023.02); H10K 59/40 (2023.02); H10K 59/65 (2023.02); G06F 2203/04105 (2013.01); G06F 2203/04107 (2013.01); G06V 40/1306 (2022.01); G06V 40/1318 (2022.01); G09G 3/3233 (2013.01); G09G 3/3266 (2013.01); H04R 2499/15 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate;
a plurality of light-emitting elements disposed on the substrate;
at least one inorganic or organic layer disposed on the plurality of light-emitting elements;
a first sound electrode and a second sound electrode disposed on the at least one inorganic or organic layer, the first sound electrode electrically separated from the second sound electrode; and
a driving electrode and a sensing electrode disposed on the first sound electrode and the second sound electrode, the driving electrode electrically separated from the sensing electrode,
wherein both the driving electrode and the sensing electrode are disposed in a different layer from both the first sound electrode and the second sound electrode,
wherein a first sound driving voltage is applied to the first sound electrode, and a second sound driving voltage is applied to the second sound electrode, and
wherein a touch is sensed using the driving electrode and the sensing electrode.