Patent · US Active

Display apparatus including a sound generating device

US11140492B2 · kind B2 · utility

1Cited by
2References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 16, 2019
Grant dateOct 5, 2021
Priority date
Expiry dateOct 16, 2039

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R2499/15
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A display apparatus includes a display panel including configured to display an image and a sound generating device on a rear surface of the display panel, the sound generating device being configured to vibrate the display panel to generate sound. The sound generating device includes a first structure and a second structure over or under the first structure, the second structure including a first part having a piezoelectric characteristic and a second part between adjacent first parts to have flexibility.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.