A flexible tactile-feedback touch screen using transparent ferroelectric polymer film vibrators
To provide tactile feedback on flexible touch screens, transparent relaxor ferroelectric polymer film vibrators were designed and fabricated in this study. The film vibrator can be integrated underneath a transparent cover film or glass, and can also produce acoustic waves that cause a tactile sensa...
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| Veröffentlicht in: | Smart materials and structures 2014-07, Vol.23 (7), p.1-10 |
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| creator | Ju, Woo-Eon Moon, Yong-Ju Park, Cheon-Ho Choi, Seung Tae |
| description | To provide tactile feedback on flexible touch screens, transparent relaxor ferroelectric polymer film vibrators were designed and fabricated in this study. The film vibrator can be integrated underneath a transparent cover film or glass, and can also produce acoustic waves that cause a tactile sensation on human fingertips. Poly(vinylidene fluoride-trifluoroethylene-chlorotrifluoroethylene) [P(VDF-TrFE-CTFE)] polymer was used as the relaxor ferroelectric polymer because it produces a large strain under applied electric fields, shows a fast response, and has excellent optical transparency. The natural frequency of this tactile-feedback touch screen was designed to be around 200-240 Hz, at which the haptic perception of human fingertips is the most sensitive; therefore, the resonance of the touch screen at its natural frequency provides maximum haptic sensation. A multilayered relaxor ferroelectric polymer film vibrator was also demonstrated to provide the same vibration power at reduced voltage. The flexible P(VDF-TrFE-CTFE) film vibrators developed in this study are expected to provide tactile sensation not only in large-area flat panel displays, but also in flexible displays and touch screens. |
| doi_str_mv | 10.1088/0964-1726/23/7/074004 |
| format | Article |
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The film vibrator can be integrated underneath a transparent cover film or glass, and can also produce acoustic waves that cause a tactile sensation on human fingertips. Poly(vinylidene fluoride-trifluoroethylene-chlorotrifluoroethylene) [P(VDF-TrFE-CTFE)] polymer was used as the relaxor ferroelectric polymer because it produces a large strain under applied electric fields, shows a fast response, and has excellent optical transparency. The natural frequency of this tactile-feedback touch screen was designed to be around 200-240 Hz, at which the haptic perception of human fingertips is the most sensitive; therefore, the resonance of the touch screen at its natural frequency provides maximum haptic sensation. A multilayered relaxor ferroelectric polymer film vibrator was also demonstrated to provide the same vibration power at reduced voltage. The flexible P(VDF-TrFE-CTFE) film vibrators developed in this study are expected to provide tactile sensation not only in large-area flat panel displays, but also in flexible displays and touch screens.</description><identifier>ISSN: 0964-1726</identifier><identifier>EISSN: 1361-665X</identifier><identifier>DOI: 10.1088/0964-1726/23/7/074004</identifier><identifier>CODEN: SMSTER</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Exact sciences and technology ; Ferroelectric materials ; ferroelectric polymer ; Ferroelectricity ; film actuator ; flexible display ; General equipment and techniques ; Human ; Instruments, apparatus, components and techniques common to several branches of physics and astronomy ; Physics ; Polymeric films ; Relaxors ; Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing ; Tactile ; tactile sensation ; touch screen ; Touch screens ; Vibrators</subject><ispartof>Smart materials and structures, 2014-07, Vol.23 (7), p.1-10</ispartof><rights>2014 IOP Publishing Ltd</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c391t-4f9357daeb9c8b530f290d5ec7d9835630235e806ff3feb34614a0a7ac45ed0b3</citedby><cites>FETCH-LOGICAL-c391t-4f9357daeb9c8b530f290d5ec7d9835630235e806ff3feb34614a0a7ac45ed0b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.1088/0964-1726/23/7/074004/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>309,310,314,780,784,789,790,23930,23931,25140,27924,27925,53846,53893</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28573100$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Ju, Woo-Eon</creatorcontrib><creatorcontrib>Moon, Yong-Ju</creatorcontrib><creatorcontrib>Park, Cheon-Ho</creatorcontrib><creatorcontrib>Choi, Seung Tae</creatorcontrib><title>A flexible tactile-feedback touch screen using transparent ferroelectric polymer film vibrators</title><title>Smart materials and structures</title><addtitle>SMS</addtitle><addtitle>Smart Mater. Struct</addtitle><description>To provide tactile feedback on flexible touch screens, transparent relaxor ferroelectric polymer film vibrators were designed and fabricated in this study. The film vibrator can be integrated underneath a transparent cover film or glass, and can also produce acoustic waves that cause a tactile sensation on human fingertips. Poly(vinylidene fluoride-trifluoroethylene-chlorotrifluoroethylene) [P(VDF-TrFE-CTFE)] polymer was used as the relaxor ferroelectric polymer because it produces a large strain under applied electric fields, shows a fast response, and has excellent optical transparency. The natural frequency of this tactile-feedback touch screen was designed to be around 200-240 Hz, at which the haptic perception of human fingertips is the most sensitive; therefore, the resonance of the touch screen at its natural frequency provides maximum haptic sensation. A multilayered relaxor ferroelectric polymer film vibrator was also demonstrated to provide the same vibration power at reduced voltage. The flexible P(VDF-TrFE-CTFE) film vibrators developed in this study are expected to provide tactile sensation not only in large-area flat panel displays, but also in flexible displays and touch screens.</description><subject>Exact sciences and technology</subject><subject>Ferroelectric materials</subject><subject>ferroelectric polymer</subject><subject>Ferroelectricity</subject><subject>film actuator</subject><subject>flexible display</subject><subject>General equipment and techniques</subject><subject>Human</subject><subject>Instruments, apparatus, components and techniques common to several branches of physics and astronomy</subject><subject>Physics</subject><subject>Polymeric films</subject><subject>Relaxors</subject><subject>Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing</subject><subject>Tactile</subject><subject>tactile sensation</subject><subject>touch screen</subject><subject>Touch screens</subject><subject>Vibrators</subject><issn>0964-1726</issn><issn>1361-665X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqFkMFqGzEURUVJoY7bTyhoE-hm6qfRSJpZGpOmAUM2CXQnNJqnVo48mkqaUP99bWyy9eptzr33cQj5yuA7g7ZdQSebiqlarmq-UitQDUDzgSwYl6ySUvy6IYt35hO5zXkHwFjL2YLoNXUB__k-IC3GFh-wcohDb-wrLXG2f2i2CXGkc_bjb1qSGfNkEo6FOkwpYkBbkrd0iuGwx0SdD3v65vtkSkz5M_noTMj45XKX5OXH_fPmZ7V9enjcrLeV5R0rVeM6LtRgsO9s2wsOru5gEGjV0LVcSA41F9iCdI477HkjWWPAKGMbgQP0fEm-nXunFP_OmIve-2wxBDNinLNmUqmurWsO11EhFQMujsNLIs6oTTHnhE5Pye9NOmgG-uRen7zqk1ddc6302f0xd3eZMNma4I7SrM_v4boVijM4vcLOnI-T3sU5jUdHV7r_A9HNk7w</recordid><startdate>20140701</startdate><enddate>20140701</enddate><creator>Ju, Woo-Eon</creator><creator>Moon, Yong-Ju</creator><creator>Park, Cheon-Ho</creator><creator>Choi, Seung Tae</creator><general>IOP Publishing</general><general>Institute of Physics</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>20140701</creationdate><title>A flexible tactile-feedback touch screen using transparent ferroelectric polymer film vibrators</title><author>Ju, Woo-Eon ; Moon, Yong-Ju ; Park, Cheon-Ho ; Choi, Seung Tae</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c391t-4f9357daeb9c8b530f290d5ec7d9835630235e806ff3feb34614a0a7ac45ed0b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Exact sciences and technology</topic><topic>Ferroelectric materials</topic><topic>ferroelectric polymer</topic><topic>Ferroelectricity</topic><topic>film actuator</topic><topic>flexible display</topic><topic>General equipment and techniques</topic><topic>Human</topic><topic>Instruments, apparatus, components and techniques common to several branches of physics and astronomy</topic><topic>Physics</topic><topic>Polymeric films</topic><topic>Relaxors</topic><topic>Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing</topic><topic>Tactile</topic><topic>tactile sensation</topic><topic>touch screen</topic><topic>Touch screens</topic><topic>Vibrators</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ju, Woo-Eon</creatorcontrib><creatorcontrib>Moon, Yong-Ju</creatorcontrib><creatorcontrib>Park, Cheon-Ho</creatorcontrib><creatorcontrib>Choi, Seung Tae</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Smart materials and structures</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ju, Woo-Eon</au><au>Moon, Yong-Ju</au><au>Park, Cheon-Ho</au><au>Choi, Seung Tae</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A flexible tactile-feedback touch screen using transparent ferroelectric polymer film vibrators</atitle><jtitle>Smart materials and structures</jtitle><stitle>SMS</stitle><addtitle>Smart Mater. Struct</addtitle><date>2014-07-01</date><risdate>2014</risdate><volume>23</volume><issue>7</issue><spage>1</spage><epage>10</epage><pages>1-10</pages><issn>0964-1726</issn><eissn>1361-665X</eissn><coden>SMSTER</coden><abstract>To provide tactile feedback on flexible touch screens, transparent relaxor ferroelectric polymer film vibrators were designed and fabricated in this study. The film vibrator can be integrated underneath a transparent cover film or glass, and can also produce acoustic waves that cause a tactile sensation on human fingertips. Poly(vinylidene fluoride-trifluoroethylene-chlorotrifluoroethylene) [P(VDF-TrFE-CTFE)] polymer was used as the relaxor ferroelectric polymer because it produces a large strain under applied electric fields, shows a fast response, and has excellent optical transparency. The natural frequency of this tactile-feedback touch screen was designed to be around 200-240 Hz, at which the haptic perception of human fingertips is the most sensitive; therefore, the resonance of the touch screen at its natural frequency provides maximum haptic sensation. A multilayered relaxor ferroelectric polymer film vibrator was also demonstrated to provide the same vibration power at reduced voltage. The flexible P(VDF-TrFE-CTFE) film vibrators developed in this study are expected to provide tactile sensation not only in large-area flat panel displays, but also in flexible displays and touch screens.</abstract><cop>Bristol</cop><pub>IOP Publishing</pub><doi>10.1088/0964-1726/23/7/074004</doi><tpages>10</tpages></addata></record> |
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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | Exact sciences and technology Ferroelectric materials ferroelectric polymer Ferroelectricity film actuator flexible display General equipment and techniques Human Instruments, apparatus, components and techniques common to several branches of physics and astronomy Physics Polymeric films Relaxors Sensors (chemical, optical, electrical, movement, gas, etc.) remote sensing Tactile tactile sensation touch screen Touch screens Vibrators |
| title | A flexible tactile-feedback touch screen using transparent ferroelectric polymer film vibrators |
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