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

Claim 26:
27. 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 the lower 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,

wherein the upper vibration structure comprises:
a first base member;
a second base member overlapping the first base member; and
a pair of vibration generating parts disposed between the first base member and the second base member, the pair of vibration generating parts including an inclined surface, and

wherein each of the pair of vibration generating parts overlaps each vibration generating part disposed at a periphery portion of the plurality of vibration generating parts.