US 12,483,840 B2
Vibration device and apparatus including the same
YoungWook Ha, Paju-si (KR); SeungRyull Park, Paju-si (KR); Chiwan Kim, Paju-si (KR); and Sungwook Ko, Paju-si (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Jan. 12, 2024, as Appl. No. 18/411,775.
Application 18/411,775 is a continuation of application No. 17/555,091, filed on Dec. 17, 2021, granted, now 11,910,158.
Claims priority of application No. 10-2020-0189825 (KR), filed on Dec. 31, 2020.
Prior Publication US 2024/0196135 A1, Jun. 13, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H04R 17/00 (2006.01); H10N 30/85 (2023.01); H10N 30/87 (2023.01); H10N 30/88 (2023.01)
CPC H04R 17/00 (2013.01) [H10N 30/852 (2023.02); H10N 30/877 (2023.02); H10N 30/883 (2023.02); H04R 2499/13 (2013.01); H04R 2499/15 (2013.01)] 39 Claims
OG exemplary drawing
 
1. A vibration device, comprising:
a vibration portion;
a first electrode portion disposed on a first surface of the vibration portion; and
a second electrode portion disposed on a second surface of the vibration portion,
wherein each of the first electrode portion and the second electrode portion includes a conductive metal particle and a piezoelectric nanoparticle.