Patent ID: 11882398
Assignee: LG DISPLAY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
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 the lower vibration structure and the upper vibration structure are configured to generate sound waves having different frequencies,
wherein each of the lower vibration structure and the upper vibration structure comprises:
a first base member;
a second base member overlapping the first base member; and
a plurality of vibration generating parts disposed between the first base member and the second base member, and

wherein each of the plurality of vibration generating parts disposed at the upper vibration structure overlaps a corresponding vibration generating part of the plurality of vibration generating parts disposed at the lower vibration structure.