12/11@ 元智大學資工書報演講
DESCRIPTION
觸控技術簡介. 12/11@ 元智大學資工書報演講. B.N.Lin Email: [email protected] UniDisplay. Contents. Mobile device v.s. TP Touch product & history Touch panel introduction Detect method on touch panel Difficulties on the IC solution. Contents. Mobile device v.s. TP Touch product & history - PowerPoint PPT PresentationTRANSCRIPT
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Contents
Mobile device v.s. TP Touch product & history Touch panel introduction Detect method on touch panel Difficulties on the IC solution
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Contents
Mobile device v.s. TP Touch product & history Touch panel introduction Detect method on touch panel Difficulties on the IC solution
![Page 4: 12/11@ 元智大學資工書報演講](https://reader035.vdocuments.mx/reader035/viewer/2022062221/56813510550346895d9c6589/html5/thumbnails/4.jpg)
Mobile device
Small Border? Flat surface? Finger Touch? Gesture? Application? Good platform? Brand? Others?
Apple i phone
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Flat surface
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Contents
Mobile device v.s. TP Touch product & history Touch panel introduction Detect method on touch panel Difficulties on the IC solution
![Page 8: 12/11@ 元智大學資工書報演講](https://reader035.vdocuments.mx/reader035/viewer/2022062221/56813510550346895d9c6589/html5/thumbnails/8.jpg)
Mobile devices
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From Cypress
Multi-touch history
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From Cypress
Multi-touch history
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Touch Screen Application Map
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Contents
Mobile device v.s. TP Touch product & history Touch panel introduction Detect method on touch panel Difficulties on the IC solution
![Page 13: 12/11@ 元智大學資工書報演講](https://reader035.vdocuments.mx/reader035/viewer/2022062221/56813510550346895d9c6589/html5/thumbnails/13.jpg)
Touch panels
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Touch panel technologies
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Touch via wave
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Microsoft surface
1. table 2. IR illuminator 3. IR detector 4. Projector
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FTIR – Jeff Han
Frustrated Total Internal Reflection
From perspective pixel
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DIY – surface & FTIR
http://uiui.mmdays.com/2008/05/09/diy-surface-table-ii/
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DIY – surface & FTIR
透明材質 ( 壓克力 ) 紅外光投光器 (IR Illuminator) 投影機 (Projector) 投影布幕 (Diffuser) 紅外線攝影機 (Webcam) 木材 ( 桌子 ) PC + TouchLib ( 偵測手指的軟體 ) - 反光鏡 ( 大 Table 需求 ) -Lee Filter ( 均勻打光 )
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Contents
Mobile device v.s. TP Touch product & history Touch panel introduction Touch Detect method Difficulties on the IC solution
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Resistive touch
Pressure to shorting ITO
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AMR -
Analog matrix resistive
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Capacitive touch
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Capacitive touch
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Capacitive – button(0D)/scroll(1D)
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Capacitive – 2D
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Capacitive touch sense methods
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Capacitive – PCAP design
Single capacitance Mutual capacitance DITO Structure Stack Structure
A. DITO structure
B. Stacked structure
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Capacitive – single v.s. mutual
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Contents
Mobile device v.s. TP Touch product & history Touch panel introduction Detect method on touch panel Difficulties on the IC solution
![Page 31: 12/11@ 元智大學資工書報演講](https://reader035.vdocuments.mx/reader035/viewer/2022062221/56813510550346895d9c6589/html5/thumbnails/31.jpg)
Difficulties on IC solution
Market IO number Panel Size Compatible with panel IC & component power consumption Spec. define Patent Others?
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Conclusion
Small size - touch with finger Large size - touch with finger + pen Many Solutions Many Questions Many Opportunities
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Q and A