Patent ID: 11924609
Assignee: LG DISPLAY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. An apparatus, comprising:
a vibration plate configured to be rolled or unrolled; and
at least one vibration module configured to vibrate the vibration plate, the at least one vibration module comprising:
a plurality of first portions having a piezoelectric property; and
a plurality of second portions configured to fill a gap between a lateral surface of each of the plurality of first portions along a first direction parallel to a rear surface of the vibration plate, the plurality of second portions including an organic material having flexibility,

wherein the at least one vibration module has flexibility by the plurality of second portions, and
wherein the at least one vibration module further configured to be rolled or unrolled together with the vibration plate.