Invention Grant
- Patent Title: Vibration generating device and display apparatus including the same
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Application No.: US16722713Application Date: 2019-12-20
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Publication No.: US10951992B2Publication Date: 2021-03-16
- Inventor: YongWoo Lee , Chiwan Kim , Taeheon Kim , Sung-Eui Shin , Kyungyeol Ryu , YuSeon Kho , YongGyoon Jang , Yong-Su Ham , Sungwook Ko
- Applicant: LG Display Co., Ltd.
- Applicant Address: KR Seoul
- Assignee: LG Display Co., Ltd.
- Current Assignee: LG Display Co., Ltd.
- Current Assignee Address: KR Seoul
- Agency: Morgan, Lewis & Bockius LLP
- Priority: KR10-2018-0174267 20181231,KR10-2019-0159972 20191204
- Main IPC: H04R17/00
- IPC: H04R17/00 ; H04R1/02 ; H04R1/28 ; H04R1/40 ; H04R3/12 ; G08B6/00

Abstract:
A display apparatus includes a display panel configured to display an image and a plurality of vibration generating devices on a rear surface of the display panel, the display panel being at least one of a vibration plate configured to output sound and a vibration plate configured to output a haptic vibration. Each of the plurality of vibration generating devices includes a first electrode under the display panel, a piezoelectric member under the first electrode, a damping member in a periphery the piezoelectric member, and a second electrode under the piezoelectric member.
Public/Granted literature
- US20200213768A1 VIBRATION GENERATING DEVICE AND DISPLAY APPARATUS INCLUDING THE SAME Public/Granted day:2020-07-02
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