US 12,284,482 B2
Vibration apparatus and apparatus including the same
Minji Kim, Paju-si (KR); SeungRyull Park, Paju-si (KR); Chiwan Kim, Paju-si (KR); Yong-Su Ham, Paju-si (KR); and Uihyeon Jeong, Paju-si (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Oct. 14, 2022, as Appl. No. 17/966,539.
Claims priority of application No. 10-2021-0194790 (KR), filed on Dec. 31, 2021.
Prior Publication US 2023/0217190 A1, Jul. 6, 2023
Int. Cl. H04R 17/00 (2006.01); B06B 1/06 (2006.01); H10N 30/20 (2023.01); H10N 30/50 (2023.01)
CPC H04R 17/005 (2013.01) [B06B 1/0622 (2013.01); H10N 30/204 (2023.02); H10N 30/50 (2023.02)] 35 Claims
OG exemplary drawing
 
1. A vibration apparatus, comprising:
a first cover member;
a second cover member;
a vibration portion between the first cover member and the second cover member;
a contact portion between the first cover member and the vibration portion; and
a signal cable including:
a first signal line connected to a first surface of the vibration portion via the contact portion, and
a second signal line connected to a second surface of the vibration portion opposite to the first surface of the vibration portion,
wherein the contact portion includes:
a metal layer,
a first tacky layer coupled to a first surface of the metal layer and electrically connected to the first surface of the vibration portion, and
a second tacky layer coupled to a second surface of the metal layer and the first cover member.