Patent ID: 11910158
Assignee: LG DISPLAY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 14:
15. 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 and second electrode portions includes at least one of a conductive metal particle and a carbon particle,
wherein the vibration portion includes:
a plurality of inorganic vibration portions, each of the plurality of inorganic vibration portions including a piezoelectric material; and
an organic vibration portion disposed between at least two of the plurality of inorganic vibration portions,

wherein each of the first electrode portion and the second electrode portion is configured as a single layer, and
wherein each of the first electrode portion and the second electrode portion includes a conductive metal nanoparticle and a piezoelectric nanoparticle.