Invention Grant
- Patent Title: Film speaker and display device including the same
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Application No.: US16029209Application Date: 2018-07-06
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Publication No.: US10674281B2Publication Date: 2020-06-02
- Inventor: Taeheon Kim , Chiwan Kim , Sung-Eui Shin , YongWoo Lee , Kyungyeol Ryu , YuSeon Kho
- 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: Birch, Stewart, Kolasch & Birch, LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@22932b5c
- Main IPC: H04R19/02
- IPC: H04R19/02 ; H04R1/02 ; H04R9/06 ; H04R9/02

Abstract:
Discussed are a film speaker and a display device. The film speaker includes an electroactive layer including a first surface and a second surface opposite to the first surface, and further including a plurality of concave portions; and a first electrode and a second electrode disposed on at least one of the first surface and the second surface. Therefore, the sound generated in the film speaker may be further amplified and the sound pressure level may be improved.
Public/Granted literature
- US20190014420A1 FILM SPEAKER AND DISPLAY DEVICE INCLUDING THE SAME Public/Granted day:2019-01-10
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