Invention Grant
- Patent Title: Electroacoustic conversion film, electroacoustic converter, flexible display, and projector screen
- Patent Title (中): 电声转换膜，电声转换器，柔性显示屏和投影屏
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Application No.: US14860944Application Date: 2015-09-22
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Publication No.: US09440259B2Publication Date: 2016-09-13
- Inventor: Tetsu Miyoshi
- Applicant: FUJIFILM Corporation
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2013-068354 20130328; JP2013-218401 20131021
- Main IPC: B06B1/06
- IPC: B06B1/06 ; H04R17/00 ; H01L41/047 ; H04R7/04 ; H01L41/37 ; H01L41/09 ; H01L41/18 ; G03B21/56 ; H04R17/02 ; H01L41/257 ; H04R5/02 ; G10K11/178
Abstract:
The present invention provides an electroacoustic conversion film comprising: a polymeric composite piezoelectric body in which piezoelectric body particles are dispersed in a viscoelastic matrix formed of a polymer material exhibiting viscoelasticity at normal temperature; and two or more electrode pairs, wherein one electrode and the other electrode of each of the electrode pairs are arranged on two opposite main surfaces of the polymeric composite piezoelectric body, respectively, to interpose the polymeric composite piezoelectric body therebetween, and thereby each of the electrode pairs forms an active region.
Public/Granted literature
- US20160008852A1 ELECTROACOUSTIC CONVERSION FILM, ELECTROACOUSTIC CONVERTER, FLEXIBLE DISPLAY, AND PROJECTOR SCREEN Public/Granted day:2016-01-14
Information query
IPC分类:
