Title:
表示装置及びその駆動方法
Document Type and Number:
Japanese Patent JP7384563
Kind Code:
B2
Abstract:
A sound generator for a display device, including: a first vibration generation unit having a first electrode and a second electrode; a second vibration generation unit having a third electrode and a fourth electrode; and a vibration layer including: a first sub-vibration layer disposed between the first electrode and the second electrode; and a second sub-vibration layer disposed between the third electrode and the fourth electrode, wherein the first vibration generation unit is configured to contract and expand the first sub-vibration layer based on a first driving voltage applied to the first electrode and a second driving voltage applied to the second electrode, and wherein the second vibration generation unit is configured to contract and expand the second sub-vibration layer based on a third driving voltage applied to the third electrode and a fourth driving voltage applied to the fourth electrode.
Inventors:
Jun Yasu
Roh Masanori
Roh Masanori
Application Number:
JP2019062616A
Publication Date:
November 21, 2023
Filing Date:
March 28, 2019
Export Citation:
Assignee:
Samsung Display Co.,Ltd.
International Classes:
H04R17/00; G01S15/08; H04R1/02
Domestic Patent References:
| JP2011003990A | ||||
| JP2008017433A |
Foreign References:
| WO2012060041A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Kyosei International Patent Office
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