Invention Grant
- Patent Title: Sound generation apparatus
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Application No.: US18088326Application Date: 2022-12-23
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Publication No.: US12177629B2Publication Date: 2024-12-24
- Inventor: Taehyung Kim , GyungBo Ha , SeulKi Nam , Minjung Kim , MinHo Sohn
- 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: KR10-2021-0194788 20211231
- Main IPC: H04R17/00
- IPC: H04R17/00 ; B62D21/02 ; B62D21/15 ; B62D25/08 ; B62D27/02 ; G10K11/16 ; H04R3/00

Abstract:
An apparatus may include a passive vibration member and an active vibration member connected to the passive vibration member and including first and second vibration portions arranged in parallel with each other. The apparatus may further include a driving apparatus configured to apply a first driving signal to the first vibration portion and a second driving signal to the second vibration portion, based on an input signal, to vibrate the first vibration portion and the second vibration portion.
Public/Granted literature
- US20230217188A1 APPARATUS Public/Granted day:2023-07-06
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