US 12,457,445 B2
Vibration apparatus, apparatus and vehicle including the same
Yong-Su Ham, Paju-si (KR); YongWoo Lee, Paju-si (KR); and YuSeon Kho, Paju-si (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Nov. 20, 2023, as Appl. No. 18/515,239.
Application 18/515,239 is a division of application No. 17/531,003, filed on Nov. 19, 2021, granted, now 11,882,398.
Claims priority of application No. 10-2020-0161876 (KR), filed on Nov. 27, 2020.
Prior Publication US 2024/0098405 A1, Mar. 21, 2024
Int. Cl. H04R 3/00 (2006.01); H04R 1/28 (2006.01); H04R 17/00 (2006.01); H04R 1/32 (2006.01)
CPC H04R 1/2811 (2013.01) [H04R 3/00 (2013.01); H04R 17/005 (2013.01); H04R 1/323 (2013.01); H04R 2499/13 (2013.01); H04R 2499/15 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A vibration apparatus, comprising:
a lower vibration structure;
an upper vibration structure on the lower vibration structure; and
an adhesive member between the lower vibration structure and the upper vibration structure,
wherein lateral surfaces of the lower vibration structure and lateral surfaces of the upper vibration structure are separated from each other,
wherein the lower vibration structure and the upper vibration structure are configured to generate sound waves having different frequencies, and
wherein a sound wave generated from at least one of the lower vibration structure and the upper vibration structure comprises an ultrasonic wave.