FILM SPEAKER AND DISPLAY DEVICE INCLUDING THE SAME

The present invention relates to a film speaker and a display device including the same. The film speaker according to the present invention comprises a plurality of concave parts, a first electrode and a second electrode disposed on at least one of the first surface of the electroactive layer and t...

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Bibliographic Details
Main Authors KIM, CHI WAN, LEE, YONG WOO, KHO, YU SEON, KIM, TAE HEON, RYU, KYUNG YEOL, SHIN, SUNG EUI
Format Patent
LanguageEnglish
Korean
Published 16.01.2019
Subjects
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
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Summary:The present invention relates to a film speaker and a display device including the same. The film speaker according to the present invention comprises a plurality of concave parts, a first electrode and a second electrode disposed on at least one of the first surface of the electroactive layer and the second surface opposite to the first surface. It is possible to further amplify sound generated from the film speaker and improve a sound pressure level. 본 발명은 필름 스피커 및 이를 포함하는 표시 장치에 관한 것으로서, 본 발명에 따른 필름 스피커는 복수의 오목부를 포함하는 전기 활성층, 전기 활성층의 제1 면 및 제1 면의 반대면인 제2 면 중 적어도 하나에 배치되는 제1 전극 및 제2 전극을 포함하여, 필름 스피커에서 발생하는 소리를 보다 증폭하고, 음압 수준을 향상시킬 수 있다.
Bibliography:Application Number: KR20170086363